Now that HVAC SEER ratings are less accurate, will SEER disappear? Why is it in accurate?
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Is sere disappearing? We're going to talk about that right now: hey guys, Josh, burger, Finnair serving the middle Peninsula and the Northern Neck wanted to do a quick video because there's always been kind of this misnomer and the heating and air industry, and that is revolving around how efficient systems Are and how they're rated and all of that so for the longest time and and even still currently, during the making of this video, the number that most companies and even customers use to describe how efficient a system is, is seer s, EE, R, seer and that's It stands for seasonal energy efficiency ratio, and that number is kind of a it's like a number that the government attaches to that system kind of just to describe how efficient it is just kind of like you know, a car that you buy. It may have a number attached for the gas mileage doesn't necessarily mean that that's exactly how efficient it is just like with a car. You know there's a lot of variables: maintenance, how much you drive it, what kind of driving you're doing doing a highway or city? You know things like that same thing with heating and air, and and because of that, the industry as a whole is looking at other options, there's already a eer and they're. I heard recently there's gon na be a C or two rating, but let me break this down for you a little bit, because I think it's important to understand that seer, you know.

Ultimately, it is, you know, a good measurement kind of, and what I mean by that is the way they factor in seer and they're deciding what that number is that should be attached to it. Is they do a bunch of different measurements and they're measuring how efficient it is when it's running at a hundred percent capacity, and the reason that's important to know is you know when you're talking about different types of systems, they're not all created equal? So, for example, we have a system, that's teen, Cyr, its inverter compressor, a variable-speed blower all that stuff, and that is not necessarily if, when you're, comparing apples to apples the same as all 17 seer systems, if you know what I'm saying so, for example, we also Sell another system - that's 17 seer a different brand, but that system has a multi-stage compressor is actually a two-stage compressor. So when you're comparing apples to apples, they actually don't compare if that makes sense, so keep in mind when you're talking about say well, let's just talk about the different compressors. I did a whole different video about different stages and things like that.

But I'll do a really quick synopsis on it. When you're talking about a single stage system, it's either off or it's on and and it's running at a hundred percent capacity single stage. There's no in-between if you're talking about a multi stage unit say like a two or three stage: compressor, there's going to be stages to that so like it could be running at 70 % in first stage and a hundred percent and second stage or you know, vice You know some variation of that, but the cool thing with inverter technology and it's it's actually way more common now than it used to be I'd, say if, if we were having this conversation five or ten years ago, inverter technology, I would have to probably sit down And explain to you exactly what's going on, but now you know most people are they're used to seeing it they're getting more and more used to you know a variable-speed blower motor they're. You know they in the old days their drapes would fly open when the furnace would come on, and then you put in a variable speed system and they they would think something's wrong.
Well, it's just barely blowing now, but now folks are getting more and more used to you know: whisper quiet systems variable speed, inverters, you know technology and things like that. And so the point is, you know single stage. There's you know on or off multi stage. There's some in-betweens, but inverter technology or different brands have different verbage for it, but essentially there's a there's going to be a lot of in between and it's gon na be ramping up and ramping down.

Based on how well you know, what's going on how what's the load, how fast does it need to run things like that, and so there will be times when that's just barely running. You know it's only running at thirty percent capacity just barely running on. It's still removing moisture from the house on a hot summer day and it's still keeping the house nice and cool, but it's not having to draw tons of energy there's. No, the you know it's not kicking on with these big spikes and energy, and things like that.

So currently, as still as during the making of this video sear is a lot of times. The number that we use to talk about how efficient it is a system is but just realize, not all systems, even though that seer number may be the same they're. Not all created equal, you need to look at a little bit more than that. You know.

Is it a multi-stage compressor or is it a inverter? You know system or whatever. So if you have any questions, we would love to earn your business if you're in the Virginia area, Tidewater middle Peninsula, Northern Neck areas, we work anywhere within an hour of our shop, and so we have customers all the way up in the Northern Neck customers. All the way down in the you know, newport news/williamsburg and we'd love to earn your business. If you have any questions, give us a call.

Eight. Oh four: five! Oh five, zero! Two! Four! Seven! Thank you! You.

3 thoughts on “Hvac seer rating disappearing? how can you compare hvac then?”
  1. Avataaar/Circle Created with python_avatars Jeff Whitney says:

    As noted, SEER rating / engineering white paper testing platform is only tested and rated at 100% capacity. That's when the energy kW consumed produces the greatest BTU cooling. A 2 stage compressor running on its first stage will never meet its SEER rating. You would need to calculate how many hours a year you will run in single stage or 2 stage. And if you really need to spend time to figure that out, you can see the SEER rating is near valueless to a consumer, unless they only buy a Single Stage air-conditioned. Either off or 100% on. What SEER does not take into effect measurable is the energy saving of a variable scroller. That energy savings is utilized to meet Energy Star rating.

  2. Avataaar/Circle Created with python_avatars kimmer6 says:

    My brain is exploding while trying to compare small AC split systems and window AC units. We do not have central AC in my 2900 SQ FT house in NorCal. I had evaporative coolers here for 30 years and they make temperatures inside the house tolerable about 80% of the time. Good enough for me and dirt cheap to run. The current one uses 348 watts on low speed with the water pump running. and 550 watts on high. The real problem is that we get power outages more often than ever and there are days when the wildfire smoke particulates are beyond the purple hazardous condition. We had a week of 100-110F temps last August and had the house shut tight, no cooler on. It does not remove much smoke. It got to 94 degrees in my bedroom.

    The neighbors were S.O.L with their 6 ton units because the grid was down and we had rolling blackouts. They roasted as well.
    I have a home brew battery/inverter system that keeps critical loads like the fridge and 2 chest freezers cold, 42 hours run time without recharging batteries from the generator. It outputs 120 VAC. I want a 10-12,000 BTU unit to be able to run and keep one room cool…on batteries supplemented by quiet 2000 watt inverter generator.

    The mini split systems look ideal…115 Volts, inverter controlled compressors and fans, very low noise. But the seer ratings are all over the map. I think they are averaging power consumption over run time. The system that states 660 watts draws 9.5 amps. That translates to 1100 watts. What I do on power outages is an Apollo 13 power audit to make the battery bank last longer between charges. I value the silence of running on batteries and inverter at night. Generators were my hobby so I have maybe a dozen running units in gas, diesel, inverter, etc., so the lights will be on here and fridges/freezers will be cold without the grid for a long time. Our solar exposure sucks, 600 watts for a few hours on a good day with my small system. Too many trees and we are at the bottom of a canyon. The mini split might only have limited run in August. Its strictly for grid down or County ordered shelter in place.

    Maybe they will standardize energy efficiency ratings some day. I appreciate your video. I can tell that you enjoy your work. Are you in Orleans ?

  3. Avataaar/Circle Created with python_avatars Dan Sebben says:

    Does variable speed invertor style AC need to be operating 24/7 during the cooling system

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