HVAC unit in closet with open ceiling to attic?
mdjones
17 years ago
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saltcedar
17 years agobama_dude
17 years agoRelated Discussions
HVAC in the attic?
Comments (24)Mighty Anvil asked....What kind of HVAC system? Is there perimeter eave space around the second floor perimeter? I don't know as of yet what system will be used. Probably something rather standard. And there won't be much eave space as I see it. (please see link... Our plan is a stretched version of this plan, with the bathroom moved to where the bedroom is now and the plan stretched another 12 feet to make room for the bedroom that the bathroom pushed aside.) As we have drawn the plan now, the living room goes from gable end to gable end, and we'd like to vault that one room's space. In other words, there will be two zones of attic space....one above the kitchen... and one above the new bathroom and bedroom. The vaulted living room will cut these two attic spaces from each other. Only one 8x8 bathroom AC'd on the bottom (garage) floor. However, we are considering a temporary (5years) guest bedroom downstairs. Considering a window unit for the temp room. No basement and sited on the MS gulf coast. Hot and humid. Thanks for ALL the responses... Gary and Frog... I will look at the links tomorrow. ....Spidey hearing ....!!! Here is a link that might be useful: garage apartment...See MoreHVAC in Attic
Comments (5)not sure what a century home is...a 100 year old home? with the rehab you describe, you should invest in an energy rating, with an energy rater that works for you, not the utility company. (and someone that has experience with older homes) let this person evaluate the house, test for air leakage (old homes are very different from new homes) & guide you through your rehab choices. they can advise you as to what will actually save you money and what really wont. like super efficient windows that at best will save you 15%. it is actually between 7% & 15% energy savings. they can guide you to contractors that understand how to make homes efficient & comfortable. you'll need guidance in choosing hvac system, insulation etc. its a lot to do. fwiw, building an insulated room around the heating system in the attic is all well & good. however the ducts are still R-8 at best and will be surrounded by extreme attic temps. in just about all the 100+ year old homes in my hot humid climate..we foam the roof line. just too much air infiltration from extreme attic into living space for hvac system to overcome. if in design stage..we find a closet for the system & put the ducts inside the living space hidden in furdowns or trey ceilings. best of luck OP....See MoreSingle HVAC zoned or two HVACs without zoned system
Comments (27)The biggest problem with HVAC zone systems is knowing when to choose it as a solution and when not to. Some HVAC companies it's about "sell, sell, sell" whether or not it works... there's more money in "sell, sell, sell" --- when it's only about money? So does the comment above mean I do it for free? No. If you think that you are reading things that aren't there. New construction? best to choose separate systems 9 times out of 10. In order for a zone system to work, you have to know what you are doing. Most HVAC companies staff (the techs they send you) are 20-30 year olds. How much practical experience could they possible have? It's best for HVAC zone systems to be an elegant solution. A HVAC zone system is a tool in the tool bag. Not all homes are suitable for zone systems. Some homes there is no other way, and in some cases complications to those problems will make an HVAC zone system design possibly more prone to problems. You have a problem now, do you want more problems. These decisions among others are decided "in person" --- so considering that becareful what information you decide upon from the internet. Just because it's here doesn't necessarily mean it's true. That said: Depending on equipment level chosen, how many different floors you have in your structure, how much room you have available... will all be factors that make you decide one way or another. From there it's in your best interest to pick a contractor that is skilled: especially when it comes to HVAC zone systems. (there's a lot of garbage out there.) (click to enlarge if necessary) I service the Katy, Texas area....See MoreHVAC Register Condensation; Condensation on exterior of attic unit
Comments (5)The ceiling above the crawlspace is the bottom of the first floor. The warm moist air in the crawl space will rise up into to house if there is no vapor barrier to stop it. I would expect a three year old house to have tight windows and doors. The crawl space might be a source of the excess moisture in the house. What size is the AC? I would think a 2.5 ton single stage, or 3 ton 2-stage AC would be sufficient for a newly constructed 1749 sq. foot single story house. Did the builder provide a load calculation? A 6-10 minute run time might be considered short cycling. How often does this happen in an hour and what is the outside temperature?...See Morebob_brown
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