Jim Bergmann gives his presentation on system Commissioning w/ MeasureQuick at the HVACR Training Symposium. He talks quite a bit about system commissioning in general, measureQuick’s features and interface, and measureQuick training opportunities.
Commissioning is the process of testing a brand-new HVAC installation within a new or existing building to make sure it meets the designer or owner’s specifications. Recommissioning is the process of retesting a previously commissioned piece of equipment to make sure it’s still performing up to standard. Retro-commissioning is the process of testing a piece of old equipment that was upgraded or repaired.
Most systems we work on have at least one fault, which is a challenge AND an opportunity for our industry to improve the lives of customers.
The measureQuick field process requires us to start wide; we have to think about the operation of the entire system, not just the appliance. That is where the visual inspection comes in. MeasureQuick gives flags to indicate when there may be problems, but the technician needs to be able to see the potential causes of those problems.
When it comes to controls, we need to look for poor installation (such as holes in the wall), temperature swings, abnormal runtimes, incorrect temperature and humidity readings, breaker and conductor problems, and bad connections.
We also have to inspect the ductwork, which may contain compressed, poorly strapped, or poorly designed duct runs, especially in cases with poorly installed flex ducts. General duct failure can also happen due to excessive heat exposure and disconnected ducts. Air leakage at the top plate also happens, and a telltale time is discolored insulation. Ducts may also be undersized, especially at the return, and they may have restricted return chases.
During system commissioning, the filter also requires special attention. Make sure the filter slot is sealed (and properly sized) to help the customer significantly! Restricted or restrictive filters can cause significant duct leakage. You will want to make sure that you secure filters in place and that they have enough surface area to do their job without creating too much pressure drop.
Watch your condensate assembly; there should be no dirt in the trap (and avoid double-traps), and the pitch should be appropriate. Condensate issues may indicate filter issues.
Once you have done a solid visual inspection, you may begin using measureQuick. That’s when you gather data and deploy probes while the system is stabilizing. Your outdoor probes would go on the suction line or service valve for the suction line temperature, the service valve for the liquid line temperature, about 6-10 inches from the compressor for the discharge line temperature, and out of direct sun for the outdoor air temperature. Inside the conditioned space, your supply probe would go 6 to 10 feet downstream (to give the air time to mix), and your return probe would go at the inlet or drop. (The duct probe placement is the same outside the conditioned space.) Testing in the correct spots is crucial, as you may miss possible problems by measuring in the wrong place and failing to pick up on abnormalities. When evaluating the ductwork, check for unsealed attic entrances and other possible causes of short cycling.
When checking static pressure, we want to make sure we’re checking TOTAL external static pressure, which includes pressure drops over the filter and indoor coil. When measuring the TESP, we have a static pressure “budget” that we like to consult when checking the static pressure in multiple areas.
All measurements have an acceptable range, which we need to be aware of when making measurements. Out-of-range measurements can indicate minor faults, which can be symptoms of major faults and poor performance. MeasureQuick has all of those targets built-in and is programmed to identify minor faults that aggregate into major faults. MeasureQuick can also do pass/fail tests for subsystems, including electrical and air filtration systems.
Once we get the system operating how we want it, we take those measurements and make a report that we can refer back to in the future. We call that benchmarking. Benchmarking allows you to use non-invasive testing moving forward.
The measureQuick reporting system has always allowed you to save data and use geolocation, but it has recently been upgraded to include a consumer-oriented version that assigns the system a “grade” based on performance.
MeasureQuick’s services include giving an overview of the system status, vitals scoring, and diagnostics. The project’s information updates when you add new readings to the app, and you can then generate a report explaining measureQuick’s findings with access to support. Nowadays, Bluetooth tools also connect to measureQuick automatically.
Read all the tech tips, take the quizzes, and find our handy calculators at https://www.hvacrschool.com/.

Hey thanks for watching this video. This is one class from the 2022 hvacr symposium in claremont florida. We have the symposium every year and so to find out more information, kind of upcoming go to hvacrschool.com symposium big thanks to our sponsors. For this event, which was accutools and trutech tools, they're the two title sponsors that made the event possible.

This class is with jim bergman. As many of you know, jim is a very good friend and is really an expert when it comes to measurement commissioning and in this episode he talks about how to use the innovative measure quick software in order to properly commission new systems, we're going to be actually Going over a little bit more on system commissioning it's, it's got some measure quick in it, but a lot of it is actually about how to use how to use measure quick as part of a system commissioning process before we get started. I just want to talk about a couple things you guys are going to meet. We got a new hire with us, joe meadows he's been out uh.

He was actually a trainer for retrotech. We just brought him on board here um about a month ago, at ahr. He's going to be helping us with the booth today so stop by and see joe and then for those of you that have been using measure quick for quite a while. We are coming up with two new programs.

One is a certified measure, quick user and the other is a certified measure, quick trainer, we're. We have a lot of companies across the country that are trying to incorporate measure quick into their businesses and we we just can't get to everybody anymore, we're over 65 000 people on the measure, quick platform now that are using the day-to-day there's. Hundreds of thousands of tests processed a month on measure quick, so it's getting pretty big and we're looking uh for help on the training side. So if you're interested in that again joe uh can help you with that and then the qr code, you could probably scan it from here even but joe's got it up on our on our uh on our booth.

There's a little quick survey about measure quick and if you take the survey, there'll be 20 cubits added to your account. So you can actually try all the full features of measure quick and get that going. We're going to talk about commissioning and commissioning a lot of times what we're talking about is setting up a brand new system to some designer specifications. The reason that most of you may have never heard of commissioning is because, as an industry, we don't design anything.

So, there's nothing to set it up to right. If you think about like a when we get engineering prints and things like that, and somebody actually does like let's say a a full heat loss. Calculation um, that's where you know we're doing room by room and balancing it out and getting the right airflow to the right space, setting the airflow to the right range. In other words, you know when you do your manual s, you may have to set it to 400 cfm, a ton or maybe 450 or maybe 350, or maybe something in between there, and that is what a commissioning process is.
It's setting it up to designer specification. Retro commissioning is commissioning to the to the past design, so in other words, the designer set up the spec we're just going to go back through it. Maybe we'll do a cleaning of it clean the coils, clean, the condenser, clean the evaporator and then we'll retro commission. The system and then you'll hear also sorry, recommission, uh, that's recommissioning and then we'll talk about retro, commissioning and retro commissioning is like you get in a school system, they've torn down the walls, they've re, they've, re-engineered, everything they just moved, runs around.

They moved thermostats and now we're we're taking it an old building and we're taking it up to a new standard right. So those are three you're gon na you're gon na hear on there commissioning uh, recommissioning and retro commissioning. Now the the challenge we've got as an industry overall - and this is a huge opportunity right now - is that at least if you have at least one fault in 70 to 90 percent of systems. So just want you to stop and think about this for a minute, and if you include, if you include duct leakage, it goes up to 90 to 100 percent, so 7 out of 10 to 10 out of 10 systems.

You you guys go out to today have at least one fault. Most of them have multiple faults right. You guys are going out to do a the 49 tune-up on an air conditioning system. You know you're out there, because you're doing a service call to find opportunities.

If you aren't finding those opportunities, you're leaving a lot of money on the table - and these are real opportunities that customers need fixed, you know a lot of younger techs go out and they're they're missing a lot of these. A lot of these faults in our equipment. A lot of them are airside related faults, charge related faults. So it's really critical that we're able to identify those and the question is you know how do we close that gap right so the measure quick field process i want to.

I want to go over this uh in some detail and obviously the first step would be. You know we think to start the system and get things stabilizing, but here's where i want you to completely stop stop stop what you're, doing and and think about. What's going on with the entire system, the challenge is: is everybody in our industry? They try and fix everything at the appliance right you go out there, you do a startup you're trying to set the airflow at the appliance you're setting the gas pressure manifold pressure, temperature rise, you're, going through on an air conditioning system. You know doing the charge, but people don't take the time to look at the entire system, and so what we're going to talk about a little bit first is the visual inspection and the reason i'm so adamant about about some of these things is because, if we're Not thinking about systems right, let me get caught up here right: the control system, the electrical system, the air distribution system, the condensate disposal system, right, filtration system, the sealed system or outdoor and indoor equipment.
If we're not looking at this from a system approach, we're missing a lot of valuable information about that about that unit. Right because we're just going to swap a box out we're going to end up with a lot of problems that we're going to we're going to overlook and here's the issue. We have people every single day connecting measure quick to systems and they can't figure out why. It's giving them flags on the system.

Why they're getting an airflow flag, a charge flag, a capacity issue, they're missing those issues because they aren't looking at it from a system approach right so anytime. Also, during this commissioning process, we have a photo documentation, section built into measure quick and you can document as you're going through this visual inspection. Take photos of that and take notes. You can add notes by flipping the note switch on and then you can tap the photos to view them full screen, but this is a pretty valuable part of of using measure.

Quick is actually photo documenting what's wrong with the system. So, let's start out with the control system. There's a fellow here that ohio fellow we were talking about this just last year, put in a new bosch system and one of the issues that we found was he had a a unconditioned uh crawl space underneath the house. Some supply duct leakage thermostat had a hole drilled up for the wire to go up.

Obviously inside the wall. The supply duct leakage is pressurized in the the crawl space, which is unconditioned, crawl, send and send an air up behind the thermostat, and you put a brand new inverter system in and the humidity is reading high on the inverter system and it's reading high, because we're Pushing unconditioned heat on conditioned air up behind the thermostat and it's giving it a false, high temperature right now. You think about these kind of things and and uh a lot. A lot of people don't realize that that's going to cause excessive run times.

In fact, a lot of you guys have probably come home from work, walked in your house and said dang. It's it's cold in here today, right because it's a 95 degree day outside and what you don't realize is your thermostat's registering 78. So your unit's running continuously, but your air temperature is probably down to 74 or 76 degrees because you're getting air from an unconditioned space and that's even more important today that we plug this hole up with some thumb gum, because we have incorrect humidity readings on the On the thermostat, also, a lot of humidity readings are incorrect because we're pushing again water vapor up through there. So you want to make sure when you're doing that you're not using like paper products.
Also, obviously you can see. We have excessive wire, showing here not properly secured right electrical system. I don't know how many times i've gone out and seen guys put in new systems and they don't check from the breaker box. I highly suggest whenever you're doing a new system pull the cover off the breaker panel inspect the breakers inspect.

The connections. Look for undersized conductors look for loose, lugs, look for damaged bus bars on there right service disconnects. When you touch a service disconnect, it should not be warm right. One of the first things i do when i walk up - and i lift the cover on a service disconnect is put my hand on it to see and joe will say, put my hand on backwards in case.

I get shocked on there right, but the idea behind it is you're filling the service disconnect to see. If it's warm, it should not have any noticeable temperature right and again undersized conductors loose lugs loose fuses, so many guys will go out and they'll see. A compressor is hard to start and they'll put a hard start kit on that or they'll put a soft start kit on that and they're correct and they're they're fixing a symptom, not the problem right. So we got to make sure we're addressing those things.

Air distribution system - this is probably the most overlooked part of the system because nobody wants to get in the attic and do this so you know again: straps not redone after installations, ducts not properly supported, poor design, excessive flex, ducts linked right, just general failure of the Flex, duct it's breaking down due to heat in the attic people will put the probes out when we're using measure quick, we're going to test from inlet to outlet i'll show you that in another slide a lot of times, we see low, sensible capacity and again, if You're not looking at the entire system you're. Looking at this thinking, the software must be wrong. You're, going to blame something else. When it's actually a duck system, that's got high, sensible heat gain, disconnected ducts right.

I don't know how many times i've seen this on systems, where i put my probes on there again, i see low capacity, i'm like. Why am i getting this low capacity well measure quick, will pick up duct leakage issues on there. So if you have a return, that's disconnected, and let's just think about how would measure quick pick up a return, duct leak, what are some symptoms that we're going to see on that? What would happen to your suction pressure if you had a return? Duct, like you're pulling in hot air from an attic suction pressure, would go way up how about your temperature split? What would your temperature split? Do? Temperature splits going to go way down right, so there's about six ten things that measure quick, picks up that look in all these relationships. That's going to see that problem, but if you dismiss that problem you're dismissing an opportunity right, homemade transitions, nomastics, loose fittings, air leakage, issues air leakage at the top plate.
This is very, very common, where somebody's framing in a return, you'll notice that that that that insulation on the one side, there is almost black and it's because it's become an attic air filter right. We're pulling return air through from the hot attic space. Again, erosion of the temperature split on the system right, unsecured panels - this is one we ran across somebody converted a rooftop unit over from downflow to horizontal, so the guy forgot to screw in the in the panels on there and the way i found it was actually An auditory thing, because every time it would come on i'd hear the panel drop down when it shut off again right common problem. A lot of times we'll see again we're trying to fix everything as equipment contractor puts in a huge.

We call it the the bad drop, some people say: big ass drop or on there and they're trying to get better filtering of the air. But if you start tracking that back and this one went all the way back to two by four joist space and ended up, it was reduced down to a wall cavity a two by four wall cavity for the return. Huge drop huge amount of static pressure on the return and again, if we're not paying attention to that we're gon na miss it air filtration system. This is probably like.

The biggest epiphany i had in in my career was how bad our filtration systems are in our industry. This is one of the biggest opportunities. If you want a real opportunity, that's going to make money for you and help your customers out it's addressing. What's going on at the at the return we used to just put filters in to protect the equipment, if you really think about it, these were never meant to be iaq devices to clean your indoor air and take care of your indoor air quality.

It was always just you know, to stop, rocks and bumblebees right and the filters. The filters on our systems were not that great and i don't know how many times i've seen in our in our market, the one david and i are from right, open, filter slots in the basement. The filter doesn't care of this. That slot doesn't care which side of the air is which side the filter is pulling air from.

It doesn't say you know what the filter is on the left. So please pull all the air from the left side. It pulls it from whatever side it can pull it from and sealing up that filter slot and getting rid of the deep, the the cast depressurization getting the air to stop bypassing the filters of critical importance and this one here. This is an interesting thing.

A lot of times we'll see the homeowner will go out and buy the 3m filter. Nothing gets through the filter, including air filter. Why did it even take the plastic off a filter because it didn't make any difference right that exacerbates duct leakage. So now, if you have a, if you have a highly restrictive filter at the filter, inlet, it's going to pull more air through the leaks in the duct system.
So again you're going to erode your cooling. You notice on there we're showing those two field piece probes, we're on the inlet to the return, air filter, grill and we're on the supply first supply, so that one up there. I don't know if we put a little no on there, but we should have where it says. 75 degree air, but what we're showing there is, is basically uh we're testing from inlet to outlet of the system dirt, bypassing the filter grill.

How many guys actually take a minute and tape and a filter in a filter? Grill? It's it's a handful. You do that's one of the most important things that you can do right. If you stop and think about it, it's not complicated, but when you see that dirt around the edge there, that's because the filter started to bow in and and pull in and now we're going pulling air around the filter instead of through the filter. So just putting a roll of painters, tape and what i usually do is i buy it in bulk and i'll just leave the roll right inside the filter grill for the customers, the next time they do it.

They don't have to find tape. They just have a roll in there already right, it costs a couple cents to do that. Make sure you have enough filter. This is one i missed for for years was undersized filters on on on equipment.

You know a lot of times you look at you know. It's true: it's air temperature rise 30 to 60 degrees on a fur on a furnace right, 36 degrees on a furnace, so quick sizing that, like let's say, we had a three ton. Air conditioner you'd go okay; well, three ton air conditioner! You know we calculate our cfm center of the rise here would be a 45 degree centigrade. So 71 000 btu output, divided by 1.08 times 45, would tell you well, you need about 1460 cfm for our heating side of the appliance.

Now, what have you guys noticed on a 90 like if you go to a 97 efficient furnace? What's one of the things that we've noticed now that's happening what's happening to the uh, to the to the temperature temperature rise on the furnaces it's going way down, yeah. In fact, my old furnace of my house was a 60 to 100 degree rise, my 90 plus my new one, i downsized it. I went from 100 000 down to a 75 000 btu furnace. My new rise was was 15 to 45 degrees.

My new center, my rise, required more airflow, even though my furnace was downsized, several sizes than my old one did right. So you start doing a quick check of the furnace, it's 1460 16 by 25 filter. So you just take 16 times 25 divided by 144. That gives you square feet.

It's going to tell you that that's 527 feet per minute. Anything in excess of 300 feet per minute is too fast right. 500. If it's over 500 feet per minute, you really you really do need to address it, but all filter manufacturers go wait.
A minute. I got a four inch filter on there doesn't matter the reason you have thicker filters, if you think about like hepa, it's more restrictive. So you need more surface area to have that low pressure drop, but it has nothing to do with the filter face velocity when, if we're in florida here, so i'm assuming somebody's been to the beach before right, you take a little sand. Sifter, you know shift and get shells and stuff out when you have that sand sifter.

What you're doing is you have to sort of? If you just pour the sand in it, doesn't just drain through it it it sort of sits there right when you shake it. A little bit now it starts to sift. What's the same thing, we have high filter face velocity instead of the dirt getting trapped in the filter, it actually sifts through the filter right and that becomes a big problem condensate disposal system. Where does condensate come from? First of all, what kind of water is that distilled water right? Anybody here wear a cpap machine by chance all right when you go to this, when you go to the store with your cpap, do you ever do you ever see dirt in the bottom of your distilled water? No right! We shouldn't have any dirt in a condensate trap.

You should never ever ever have to clean a condensate trap. If you, if you go you're, going yeah no way yeah. That's all we do at florida's clean condensate traps, no, but think about it for a minute. Where does that water come from? Where does that water? It's distilled water out of the air right, if you think about what's happening there, it's in order to have growth, biological growth, you have to have distilled water and what else something to eat right: a food source in there.

If you eliminate the food source by eliminating the dirt in there you're going to eliminate your condensate trap cleanings and if you're not finding an underlying underlying cause which is dirt bypass, bypassing the filter on undersized filtering you should never have to. You should again never have to clean it, so you got to figure out. What's causing the debris, make sure your trap height is good, make sure trap location is good, make sure your proper pitch condensate drainage issues. You likely have filter issues right and that's what this is here.

This is also we want to watch for rust. That's a pretty good indicator when you're walking outside you see rust coming out. This was full of rust on here. This one's not only a filter issue, but it's also a evaporator pan.

That's rotting out on there refrigerant charge issues pretty self-explanatory. Caps left off installation issues. This is the bottom of an evaporator coil, where it has no pan air is blowing by the evaporator coil measure. Quick will pick that one up also right, so this is you're going wait a minute.

I thought it was going to be a measure, quick presentation and - and it is this - is a software program. It's designed to pick up these faults and problems on there, but there's nothing more important than you going through that system and doing a proper visual inspection first, because there's absolutely no reason to put measure quick on a system or to start deploying your probes out or Evaluating charge on a system with a dirty filter or dirty blower or plugged evaporator or plug condenser. Yet how many guys? The first thing they want to do is: go gauge up on a system and see what's and try and fix the problem with refrigerant. How many guys are young in your career added, four or five pounds to a system or me? I added 30 pounds to a system before you figured out the blower wasn't running right.
I mean you go out there and you go oh frozen up. Well, i guess adding gas to the machine right. All of us have done that, but that's like that's the last thing we should be doing. We should be going through and doing this visual inspection first, that's where you're going to get the most out of the software.

So now we're going to start the system. Things are going to take a little time to stabilize, while we're doing this, we're going to start gathering some some information, most people. It's very interesting. We have a huge number of users on measure quick.

We have two types of users, those that have figured out how to make a lot of money with measure quick. Most of those customers are seeing between a 40 to 60 percent increase in revenue per ticket and they're. Seeing that, because they're finding problems, their technicians are overlooking, and they're they're pretty much eliminating their callbacks, we get other contractors, and this is where i was talking somebody about this particular market in florida, where they think it just takes too much time right because their their Mentality has been they go out there. Mrs jones has got no cooling, they walk out.

They pop the cover off the condensing unit to go up bad capacitor, easy 300 bucks. Take the cap out put the new cap in push the disconnect back in calling the boss for the next call. Literally five minutes right now. You've just created a whole heck of a lot of problem for your dispatcher because she doesn't know where you're gon na be five minutes or five hours.

Most of the companies are using measure quick now because they're putting their technicians through the entire entire process, they're finding the other problems that are wrong with the system. Just getting a system running does not mean it's running right, so well. We're on that system stabilized we're going to start getting the information off that and put it into the system low and high pressure near the service valves on there or true suction liquid line uh near the service valve discharge line is optional. Six to ten inches outdoor air, we want to be out of line of sight of the sun here, so you can sort of see where we got the probes placed on there pretty typical to what you guys would be doing on any system that you'd be working On, if we're inside the conditioned space, there's two two types of systems we deal with a lot of stuff in our area, which is inside the conditioned space.
Duct leakage is not as big of a problem, as you guys have in florida when the ducts are outside the conditioned space, so outside the condition space we can be in the return air drop. So you'll notice that that probe is over here and the return air drop, and then we want to be six to ten feet away in the supply air duct. You want to give the air time to mix. Most of us were never taught how to properly measure temperature rise or temperature drop across an appliance, because how many of you guys went to school when you're high in your programs or trade schools, or even if you go to a supplier, you walk out there and You're doing they were teaching you how to test the system and there's no duct work attached to it right, huge problem right.

In fact, i remember calling my dad when i was a kid i'm like dad. I got the boss told me to look at the heat exchanger, but there's evaporator coil on top of it. How do i? How do i look at it because i had never every system i worked on in our shop? I could just look and look at the top and see the heat exchanger. I never really thought about not having access to it through the duct work, so really important to do that.

The other thing really important to do make a mental note. Look at the thermostat see what the temperature is in the space and look at your return. Air temperature make sure that they're the same if the return air temperature is substantially warmer than your conditioned space temperature you've got a return, duct leakage problem. You want to address right if the probes are outside the conditioned space, so here what i'm showing here is a like a garage pretty pretty pretty common in florida.

I do not want to be in that return. Air drop. I want to go inside the house and put that actually at the return. Okay, because we want to test from inlet to outlet on that system, so we're trying to determine there is if we have duct leakage.

So if it's 72 in the house and i'm seeing 72 degree return air, but i'm a 75 at the space right now, this is what's crazy. There are so many techs out there that will see a poor temperature split they'll, see like a 16 or 12 degree. Split: what's the first thing, they do walk in and slow down the fan right, oh temperature, splits wrong. So nobody ever said this.

The fan speed's too high. They slowed down the fan and they just missed the duck leakage issue completely missed it because they're seeing a 75 degree return air coming in there. That's hot air leaking in from that unconditioned space right. So probe placement is absolutely critical on the software to make sure it comes out with the right with the right answers same thing here.
If we have an attic installation right, we want to have the return air measured at the inlet to the filter, grille and then the really really critical is to get that probe up inside the supply. Okay, if your capacity is low, you're going to look for duct leakage, short cycling of air, i've been bit by this more times than one where i've gone up, pull down the attic stairs or not paying attention to the attic stairs you're. Seeing you put the probe at the ceiling, how many guys have walked in put your probe at the ceiling you're using your smart probes, you see it's 78 degrees and you go. Oh yeah, warm air is warmer and it rises to the ceiling.

No, it doesn't what you've got is duct leakage. You've got, can lights that could be leaking, you've got an attic that could be leaking and you're again. So many of us dismiss, we see something and we just make up a reason why it's there and dismiss it completely right, huge problem in our industry, so that and just to show you a difference here. I've got a system here.

It's got 75 degree return air. It's running about 13 and a half seer, i believe, and we're running like 33 000 btus, i'm a semi-blind up here. So i think those numbers are right. So about 33 500 btus, i'm literally going to just take a probe and i'm going to move it from the equipment.

So this is testing at the equipment right, we're just testing the equipment's working great. All i'm going to do here is just move a probe over as soon as i move that probe over into truly testing the system from the inlet or return to the supply. Now our 13 seer system just dropped down to 10. and our btu capacity went from 33 000 down to 24 000., so we lost 10 000 bts of cooling from duck leakage from return air duct leakage, literally moving a probe.

Now that's significant to your customer right. If we're testing at the wrong spot we're going to miss this problem, okay, so that's one of the most important things is truly test the system with measure quick, total external static pressure. We built static pressure testing into measure quick now, and it will show you if your system has excessive static pressure, but this is a tricky one, because a lot of people are measuring in the wrong locations. You'll see that your system is rated at a half an inch of total external static pressure.

You can actually go up to about .7 inches of static before you have significant energy losses. All right. I know it's rated at half an inch, a lot of guys say if it's above half an inch, it fails all right, but i'm telling you that you could fix it and you're. Not you get it down to half an inch.

You can get those two tenths but you're not going to really see any substantial energy savings. Now that said, you go above 0.7 and it's like a a roller coaster going down all right, especially if you have a psc blower motor. Anything on a psc will really start to die. So when we're measuring this okay - and you notice, this started to gray out a little bit here, but we want to measure before the coil and we want to measure in the return.
So it's post, filter and pre-coil, because this is a furnace and the furnace is rated by itself. So it's anything external to the furnace is we want to measure? You know we want to include that in the measurement. So if you're measuring in your supply air duct and your return air duct, you are in completely the wrong space because you're missing the pressure drop created by the filter, you're you're missing the pressure drop created by the coil. All right so manometers are fairly new to our industry and you got to make sure you're making your measurements in the right places again.

Let me see if i can get ahead here. There's an ideal static pressure. Budget nci is wonderful about teaching you about static pressure. Budgets, rob's been teaching that for years and years and years, and but this is pretty standard or industry.

We do a tenth of an inch for the filter, two tenths for the ducts two tenths for the evaporator. That's your your total okay and there's a little process flow chart here explaining the ideal budget on here the allowable static pressure budget. You could be in the point one four point: two eight point, two eight, but the idea here this is a budget. So if you have a little bit higher restricted, let's say of an evaporator coil, then you can put a little bit lower restriction of a filter or you can.

You can fix a lot of problems on the return side of the system, a lot of times they'll. Just double up the return air side, so it doesn't matter where you spend your budget, it's just that you stay within it right! That's the key thing here: downflow upflow furnace is just a couple more just shown where to measure the pre-coil static pressure uh on an air handling unit. We actually do measure in the supply and return right, so a little bit different, so everybody in florida you've been doing it right. Everybody in uh north of florida that has furnaces, make sure you're in the right locations.

The key thing we want to ask now that now that we've got all our probes in the right location is, what's your target and all your measurements an acceptable range right, and i this was a hard thing for me when i, when i first started in the Industry, because, for years and years and years i realized, i was making measurements and writing them down on my work order, but i really didn't have a good understanding of what that measurement should be. In other words, i measure voltage. There's utilization voltage ranges right. We don't are within the utilization range.

What should our static pressure be? What should our are, if you, if you're hooking, up gauges to a machine - and you don't know exactly what the pressure should be before you hook the gauges up? Why are you even measuring them? What difference does it make right, yet most of our industries nobody's ever taught us how to actually calculate what those readings are and measure quick's got all those targets in there already tied in so it'll. Do all those calculations for you. We pick up all the minor faults, so what we're doing here is we're picking up all the minor faults to aggregate into major faults right. So it's got your built-in diagnostics, so you've all seen this diagnostic chart before and it's all probability based, but we've taken this expanded it out to over a hundred different faults.
So all these little yellow flags in the bottom are minor faults. That aggregate into your major faults, subsystem review. So after we figured out hey, we got all these targets and we can do all this stuff. We found out well.

People were printing out reports that that they were missing faults that we were seeing in there. So now we actually run an analysis on your electrical system, so i'm looking at your utilization voltage looking at your power factor, i'm looking at your air distribution system, your temperature split your static pressures to make sure they're in right. Your air filtration system make sure the filter face. Velocity is right.

Some things like your condensate drain, they're gon na you're gon na have to put those in if they're subjective, refrigerant charge, you're looking at super heat. Looking at sub cooling, looking at your high low side pressure, your heat drivers, outdoor equipment, condition, indoor equipment, condition again subjective anything that would affect your cooling capacity and efficiency, so we actually run an analysis on that and do a pass fail on those completely automated. This is a company in arizona that actually uses measure quick for quality control systems. They actually have about 14 monitors and they have all their.

They have lead techs inside the office reviewing what their techs in the field are doing. So every single one of those every system they put in they're going out and testing you can see the data from the field. You can see what faults your technician cleared. You can see all your performance calculations.

You can pre-populate the projects. You can generate. Your past reports now this is the probably my biggest pet peeve right now is. Is i see a lot of reports come in where somebody didn't benchmark the system and this benchmarking is capturing our personality.

So after we commission a system, you want to be able to send a tech out. Who's got a lower skill level than you and have to be able to hook up measure. Quick and measure. Quick will tell them if everything's in the correct target ranges and how that system's supposed to operate and that's what benchmarking the system is all about.
So once we get the charge right, we get the airflow right. We get everything dialed in the way we want it right, then. What we're doing is we're capturing all the design temperature differences, the refrigerant charge, everything about that system, static pressure, model numbers serial numbers, so we can do non-evasive testing going forward right. The whole idea behind this is: we never need to hook up gauges to a system.

Again. You guys think about this. For just a minute. Everybody's got a home refrigerator at their house right.

If your wife called you from the trade show here and she said - hey honey, the the milk's not cold in the refrigerator first thing you do is you're going to say well, do the kids leave the door open, something blocking the door right uh? You might? You might say: well, we probably got to pull it out and vacuum behind it or vacuum underneath it right. But the last thing anybody would do is walk out and grab their go out. Their truck get a set of piercing valves and tap into the system and see what the charge looks like right, because we know it's critically charged. We know it's probably not leaking out refrigerant.

We know the refrigerator is going to last for 20 years without messing with the charge. Yet that's the first thing technicians want to do so. If we benchmark the system with measure quick, we can literally test it with just temperature probes. Everything and it'll tell you.

If you're in the right ranges going forward on there, so that's the beauty of non-invasive testing. So, basically, once you optimize the operation, we're going to benchmark the system and then it's going to line up the centers on there, so we can do non-invasive testing and going forward reporting. Obviously, a lot of you have seen our standard report, which does our measurements and calculations. The pass, fails corrective actions, but here in about 15 days or so we're going to release this new report, which is a consumer forward facing report that actually grades the system.

So it does your measurements and calculations. Your pass fails photo documentation, geolocation, but it also takes and runs an analysis on that system and actually grades based upon the uh, based upon your your your heat transfer, your refrigerant charge and your air distribution and filtration, and so your new installations, you should get somewhere Between 95 and 100 - and it's it's pretty pretty spot on there, your old stuff! It's going to it's going to allow you to show the customer hey here's where your system's at it's operating at a 50 or 20 or whatever it's at, and here's where we could get it too. I'm going to pop into measure quick rear for just a minute measure. Quick has got a little bit of a new look to it, so you can see what's new your dispatch projects and then like here we're at calos right now, so you can see sort of where i'm standing here is that blue dot and we could tap on If we've been to a job before it's going to pull it up so you'll see when you benchmark a system, you store it in a cloud.
You'll always know that what systems are near you so then you just click on it. You start your project. We've also made quick access to the projects. If you want to do a quick test like multiple super heat tests or evacuation, we've got our your local projects.

Your support, latest videos, classic view of measure quick. Any of the quick tests that we have built in, like our temperature compensated pressure test links to our measure, quick training and everything on these screens now is all customizable. So if, if you want to get rid of the what's new after you see that you want to hide it, you can hide it, you can move it down to the bottom, so you can sort of make measure quick work. The way you want it to work for you, because we have a lot of guys that do a lot of different things.

So if your refrigeration mechanic - and you want to redo your stuff, you know when you save that it's going to pop up and you'll see that that's changed same thing when we're doing things like starting a new project. If we want to scroll down to the bottom here and uh, you know edit the order of our projects. Now you can edit them. So if you want to change it up the way you want it to work for you, you can you can set it up that way.

Now once we start a project and measure quick - and we just go back here and i'm just going to start this kalos one here and hit view, the idea here is you're going to select the type of project you want to do, and it's going to walk. You in you'll notice the ui is going to change. It's going to walk you in to show you how that system is operating, how it's currently scoring so that vital score report, we're showing you zero to 100 percent. It's going to start scoring your system.

It's going to have your diagnostics built in, so let me just throw some demo data in here for just a minute just so you can see that what it's going to look like and again all this is is uh, we're just getting ready to roll it out. Here so we'll go back so here it's showing you that this system, which is a actually a 13 seer system, is operating with care characteristics of a six to nine sears system. And if you look at your scoring there in this particular case here, it's still scoring at 92 percent. It's got a refrigerant charge issue, it's an overcharge, but there's been believe it or not.

You go. How come it's not? How come it's not uh, flagging it. A little bit lower on here, part of it's, because i don't have all the information put into the project like the age of efficiency, so i literally just threw in some demo data, so we put in some so a little bit more information. It's going to give us a little bit.

The score is going to start to drop dramatically, but every one of those elements is based upon in upon all of our industry studies. So there's there's probably about 13 algorithms running in the background that are taking into account your approach, your static pressure losses, your temperature split losses, agent, efficiency losses, refrigerant charge, losses, refrigerant, charge, believe it or not has less of an impact than anything on there, especially in Overcharge slight overcharge, but that's what's causing the high head pressure on the machine. It's also doing your diagnostic. So what we're doing is taking you into scoring the system, the diagnostics on the system, and then this this part of the project becomes secondary.
But as we put in new measurements, let me just go in here i'll test test the system and we'll just put some indoor measurements here of static here. So we'll clear out this half an inch and we'll just say that it's uh, we'll say it's 0.7 and 0.23 continue and back and we'll go back another one here and it's gon na help share. And then this is where you're gon na export your vitals report. So this is: where do your scoring explains how it arrived at that score and then explains what the vitals report is.

So all this stuff is built in, but we started to do some things that are more consumer forward-facing, so you can show when those systems are commissioned and again a lot of stuff here. Quick access to your the screen button down here is quick access to your support, so in your tool box, we've also done some cool things. As of recent, i don't know if you guys have caught it, but all your tools are um auto connecting now. So as soon as you open up measure quick, your tools, auto connect, you don't have to go into the toolbox and connect anymore, so that'll all tie in so a lot of new stuff coming in the next 15 days or so so, if you guys want to Take a look at some of this play around with some of it.

You're welcome to. If you sign up for the survey joe i'll, give you 25 qubits free bits, yep free bits, so you can actually go through and set up some projects at your office or your house or do whatever you want. If you're going to use measurequick one of the things that i would highly suggest that you do is go home, go to your home appliance, get your probes out, deploy them on your home system, sit on your back! Porch crack open a beer and just watch your system run for a few minutes right. It is the best thing that you can do because a i will guarantee you that we'll most assuredly find a problem on seven out of 10 systems, even though they're your systems measure quick, will pick up a problem on your system.

Secondarily, nobody's bugging you for a few minutes and you can sit down and relax and sort of sink some of this in because there's a lot to learn with what we do for a living right measure. Quick can be overwhelming for some people and it's not it's. It's not intended to be, but it's just information we haven't thought of before. So when you get a minute to do that, it's going to be valuable and the last thing is: is it's really going to help you once you once you fix the problems in your system and you either you're going to either experience two things or or maybe One of them individually or both together, one will be increased comfort or a decreased utility bill right and once you experience those two things you're going to understand, why it's so important to take this from a system approach and not just try and do it at the Equipment right, it's so critical that we stop looking at this as equipment when you guys get your your new techs out, there don't even take a tool out of the toolbox until you walk through and look at everything, maybe a nut driver.
So you can open up some panels, but look at everything before you start deploying the probes out there, because the software is amazing software, if you use it properly. If you just open up your toolbox and look at the readings on there, that's nifty, but you're missing a huge amount of opportunity. Uh with that you can gain from using measure quick, any questions we got about. Two minutes left yes, sir, so we are still working with testo on on getting uh on getting that those put in so, but they are on our.

They are on our roadmap. Cps uh flow hood. It's just got put on a roadmap, so you can do air balancing we'll do some air balancing with measure quick, um house call pro integration is uh on the way we're wrapping up meetings with house call pro to get that uh going true flow grid is in You can actually use it right now and it works with a with a measure, quick app. So if you want to get on the beta uh, we can show you how to get on beta and and do some stuff with that and please, if some of you guys would uh talk to joe about uh, doing training for measure quick.

We are, if you're, if you want to learn, become a certified user or certified trainer we've been having classes in our ohio location, we've been filling them up, we don't have any openings in classes till fall because they've just been uh. You know where they've been full on there, but we are doing what's called like a train to trainer where we're bringing in um guys that are suits basically supervisors or lead technicians. Somebody in your office that can we can train on measure quick, get them very well versed. Then they can take it back and get an implement into your office and it's been pretty successful.

So far got a couple questions online. All right, so i got a question from nathaniel uh. What if there were some issues with the original benchmark? Could you re-benchmark and correct the previous issue? Yes, you can. You can always re-benchmark a system we're getting that set up in the cloud here shortly so that you can um.

You can give your technicians permission to benchmark, so everything on our cloud side is tied to the app side. So if you, if you have a younger tech, you don't want them to benchmark and then we're also, you can do that and also we're doing remote benchmarks. So if you're a supervisor, you're you're remote viewing the data - and you want to remote capture the benchmark you'll be able to do that. Awesome i got another one from mike.
Will the upcoming new ac systems vital report still be available in the free version? It's not! It's never been in a free version, so uh it it's only on the page side of the of the software and that's something you know just uh. We've been working on this project for four years now and we've got a lot of people we've given. Obviously, we give a lot away uh and we we still want to continue to do that and we still want to so, but the the paid side, the people that are actually using the measure quicker, realize you guys are subsidizing everybody else. That's that's getting the paid side of it.

So the more that - and but the interesting thing is - is that it's free measure quick, is absolutely free, because anybody that's using it realizes that they're paying for a project that they're passing through to their customer. So that's not costing them anything the way it's designed to be used and secondarily it's adding revenue to their bottom line because they're finding problems that their technicians would have missed. So when you look at what it costs you for a callback when you look at what it costs you for the missed opportunity, there's no cost to using measure quick. It's a any block.

You have as a mental block with using measure quick because it is absolutely free. I think you could do that. So the question is: is: could you leave measure quick uh? If you wanted to use measure quick as a leave behind tool, could you do that and leave a tablet on the job site set up probes and you're? Talking specifically scentsy predict is a limited set of probes that you could tap into and leave and then maybe stream data from the tablet to the office yeah. I imagine you could set up so because we have customers that sort of use it like that now, but they're not using it as a permanent they're using it as a temporary when they have like a new compressor change out or something they want to watch cycles Or want to watch how the system's operating they'll stream, the data from measure quick up to the cloud, and then they can.

You know the stream will run for as long as you want to run it. So the question is: are we transitioning any load, calculation designs and uh? We do have places to input stuff from from the software uh ed janowicz. In the back, there, we're working with akka right now to actually be able to print a quality, commissioning or quality installation certificate from measure quick for your customer. So that's going to be coming into in the future here at some point: we're working through the details on that right now, but that's going to be sort of integral to getting some of the information from the heat loss, calculation and specifically the required fan.
Uh cfm and all that kind of stuff into measure quick. So you can commission against that. The question is: are we ever going to have a way that that's not using qubits and the problem we ran across was multi-fold number one is apple and google wanted to take 30 percent of everything that we run through the uh through the through those platforms, so That was one of the reasons we pulled it off is to avoid having to the fees and stuff, but secondarily it was we needed a way. Everybody's devices, a lot of technicians devices, are their personal devices, so we needed a way to be able to share credits across all the personal devices and tie everybody into a central account.

So they could all pull from the same uh same from the same uh block of data right. So that's really. What that was designed for was is so that everybody, no matter whose device it is uh. You know and other things like apple ids, and things like that.

You know so there's just no way of using it across the company without having qubits. It was so that was the solution for that all right. Well, thanks a lot for for coming out appreciate the time, thanks for watching this video again to find out everything we have going on. You can download the free hvac school app on android or on iphone or go to hvacrschool.com and then, specifically up in the top you'll, see events to find out more about upcoming symposiums hope to see you there thanks for watching our video.

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