Many homes with conventional heating and air systems and ductwork have issues with one or two rooms being warmer than the rest. Many times homeowner search for solutions for these issues and fall short when having professionals try different remedies. In this video, Joshua Griffin goes through some of the reasons an issue could be with the ductwork and other times when it may be a zoning problem. This solution may not work all the time, but it will give you a theory to apply to most of the issues when you have a hot room in your home!
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Chapters
0:00 Intro: Hot Rooms or Areas
0:35 Zoning or Ductwork
0:48 One room always
1:21 Make problem worse
2:12 Treat zoning issue with solutions
2:38 Ductwork Issues
4:23 Outro: Misdiagnosing
#hvac #hotroom #ductwork

Hey guys I Want to do a video on an issue that we had pop up on our live that we had last night every. Tuesday I Tried to do a live video where we take questions live and kind of talk about some heating and air things going on in the industry. and one of the questions that we received last night was a guy talking about an issue where he was having one part of his house warmer than the other part of the house and I thought I would do a video on this topic. In cases where there are certain things going on, it might help you to decide how to diagnose that properly.

And so if you do have certain parts of your house that are warmer or colder than other parts of the house, there are times when it will be a zoning issue and there are times when it will be a ductwork issue. There's an easy way to kind of figure this out. There's more to it than what I'm going to dive into right now. But the short version is if you have a part of your house, let's say it's just one room that is warmer than the rest.

Always right. So that part of the house seems to get whether it's because heat rises is, or because of some other reason. Maybe it's me or something else creating heat or whatever, but that room is hotter than the rest of the house or warmer than the rest of the house the majority of the year. whether it's in AC mode or heating mode, in that case, it is going to be a zoning issue and the reason I Say it's a zoning issue.

Let's say you thought that it was a ductwork issue. Let's say you were to run another duct to that room whether you add a return to that room or you add another Supply Or you make the supply in that room larger, You're trying to push more Cfms of air to that room and in AC mode. It actually fixes the issue that you've pushed enough cool air from your system into that room and you've now got it cooler. The problem is now that you've got these larger Ducks you're now pushing more Cfms of air to that room.

When it comes winter time, you're now dumping more hotter air into that room and your exasperating the problem. You've now taken a problem that was more of a zoning issue and treated it like it was a ductwork issue and you are now making the problem worse certain times of the year. And because it's a zoning issue, it needs to be treated as such. It needs to be treated as a whole separate.

Zone You can do things like install dampers on the ductwork with another thermostat, have those dampers continue to dump more air in there when it's appropriate. When the rest of the system turns off and you treat it as a zoning problem, you can also do things like add a mini split I've seen folks do that in certain situations to try to fix a zoning problem, But in contrast, when you have a ductwork issue which we see tons of duct work issues, right, we see duct work that's undersized, we see duct work that was not installed properly, and we see tons of duct work issues when we are going into homes and trying to fix things. At times that you have that room that always seems to either be ahead of the rest of the house or it's behind the rest of the house. Now here's what I mean if it were behind, if it was an AC mode, the rest of the house is warm and it turns on the AC and it's behind the rest of the house so the rest of the house gets cooled down.
It goes from say 74 degrees down to 72 degrees and this room still stays warm right and then other parts of the year. if it's behind, it does the same thing in heating mode, so you've got the rest of the house. It's now gotten down to say 70 degrees. Your heat turns on, it warms the house up, and then this room over here stays cooler.

It's behind the rest of the house all times of the year, or it's getting too much air in there, and it's ahead of the rest of the house, so it's heating up quicker than the rest of the house to where it gets almost too hot. I Actually have that issue in my home. At times, there's one particular bedroom that it will get a lot warmer than the rest of the house and certain times of the year my little fix has just always been to just adjust the dampers rather than install calling zoning or getting too crazy, right? But that particular room is just getting too much air at that point. And heating mode, it gets warm too fast when the rest of the house continues to need heat, and in AC mode, it stays kind of warm in there.

When the rest of the house gets cooled down, it's just always either behind or a head or whatever. but it's always the same issue all times of the year. That is a ductwork issue. So anyway, I don't know if any of that helps.

I Just thought: if you have one issue or the other, sometimes you're trying to fix the issue and you're incorrectly having it misdiagnosed. Whether it's by a pro or yourself and you are making the issue worse in some cases. Is it a zoning issue? Is it a duct work issue? You got to know. So that way you're actually coming up with a good permanent solution rather than just throwing mud on the wall anyway.

I Hope that helps. Thanks for watching Hit that subscribe button. We'll see you next time.

6 thoughts on “Hot room solution! zoning or ductwork theory!”
  1. Avataaar/Circle Created with python_avatars Robin D says:

    Hey guys, i have a fugitsu mini split 5 zones unit.

    Can I have it set on auto on one head and dry mode on another head at the same time without damaging?

  2. Avataaar/Circle Created with python_avatars CC CC says:

    Just got three systems installed varable speed with intakes in each room that's zoneed but have 65 percent humidy lol lexxon sucks lol

  3. Avataaar/Circle Created with python_avatars Sam says:

    My hot warm room is the computer room. There a vent about the door to help return air leave the room. I have been tempted to add another vent on an adjacent wall to or into the ceiling (2 story house so there is about a 1.5ft gap in the trusses) to help encourage some cross flow.

  4. Avataaar/Circle Created with python_avatars Bob says:

    Can a backup heater coil supplement a gas furnace in case of gas furnace failure? Or what is a backup heat strategy for gas furnace failure? Thanks!!! Are you in Ottawa ?

  5. Avataaar/Circle Created with python_avatars John Salazar says:

    We built in 2019. The manual just called for 3 tons we did 4. However, the contractor put in 2x 2 ton air handlers and I wish we had split it better.

    The house is split in 2, basement unit does the basement and first floor. Attic unit does second floor ( attic is within the insulation envelope).

    Well, in winter, we rarely run the upstairs heater except for from 5am to 9 am when we get up and take our showers. And generally the bedrooms stay pretty comfortable at around 69 degrees. (1 exception).

    The downstairs unit doesn't heat or cool properly. The 2 story family room and the loft are always hot in summer ans cold in winter.

    I even asked for a duct in the loft because I knew it was going to get warm up there, but the installer decided a return was all I needed.

    I'm thinking of having a company run a line from the attic to both the loft and the family room. I figure it should be easy as the attic is always about 5 degrees warmer than what the rest of the house is.

    Another option is to add a 6000 btu mini split to the basement. This would allow me to use the basement air handler solely for the first floor.

  6. Avataaar/Circle Created with python_avatars Ryan says:

    Is it generally best to centrally locate your furnace or air handler in your attic or crawl space to ensure air is traveling equally throughout the house? I have parts of my house that heat up fast because those rooms are right under the furnace.

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