Air conditioning / Discussions

My window drips when I run my air conditioning. What is the fix?

...Air conditioning systems don’t just cool the air in a home, they lower relative humidity levels as well so something would need to be seriously amiss to have mo...

Posted by Sean Sullivan Aug. 27, 2020, 10:36 a.m. Heat pumps, geothermal and AC 5 Responses

Why is there mold on particle board outside vapor barrier on new addition?

...air conditioning the space. Here is another important page to read – Never Install Air-Conditioning in a Home with a Vapor Barrier You will read there about...

Posted by Christine ML June 7, 2020, 1:35 p.m. Wall assemblies - renovation 1 Responses

How do you do a vapor barrier in a dense pack cellulose wall?

...air tight homes with interior air conditioning can create a significant differential in temperature and humidity from indoors to out compared to homes in the pa...

Posted by Ian MacKay July 26, 2018, 2:48 p.m. Wall assemblies - renovation 4 Responses

What is the best way to insulate the ceiling of my crawl space?

...air conditioning because of the crawl space temperature. It is a wood floor on the other side of the crawl space ceiling. I haven't insulated because I read dif...

Posted by Judy Mendel Feb. 17, 2020, 11:10 p.m. Crawl spaces 4 Responses

Is it possible to connect greenhouse with the building?

...air conditioning and if this have a chance to act both as a place to grow plants and extension of some rooms. (kind of like its working in earthips). I am wonde...

Posted by Julia Jedrys March 31, 2020, 6:47 p.m. Greenhouses and Sunrooms / Solariums 1 Responses

Do I need ceiling fans if I have an HRV?

I have high ceilings and I will be adding an addition this summer with normal height ceilings and a new stairwell to the basement. Should I arrange for a ceili...

Posted by S McIntyre April 2, 2019, 10:01 p.m. Ventilation 1 Responses

What does it take to get a water heater air-conditioner and heater mini-split?

...air source heat pump as well as an air to water heat pump water heater? Increased efficiency with an air source heat pump and heat pump water heater working i...

Posted by Réal Paquin May 28, 2020, 12:44 p.m. Heat pumps, geothermal and AC 1 Responses

Does hydronic radiant cooling work?

...air to condense and put you at risk of mold and mildew forming. Here is a our page all about radiant floors as a starting place - Radiant floor heat - Air hea...

Posted by dean c April 30, 2019, 8:01 p.m. Delivery: radiant, forced-air and decentralized 1 Responses

What is the best heating and cooling system for a slab on grade home?

...air conditioning add-on to your ventilation equipment, since any radiant heated home needs an air exchanger to remove moisture and provide fresh air for occupan...

Posted by Matthew Gioia July 7, 2020, 11:03 p.m. Heating and cooling 3 Responses

What is the best way to insulate a home from the outside?

...air conditioned. You didn’t mention a location, but wherever you are I would recommend going easy on the air conditioning on the hotter and more humid days if...

Posted by Sylvie Gagnon Dec. 12, 2017, 11:58 a.m. Wall assemblies - renovation 1 Responses

If a passive house is designed well is it worth the extra cost for Low E window coatings?

...air conditioning, when done right, it can lead to greater interior thermal comfort . We have a page that explains everything you need to know about window selec...

Posted by Joe Van Kuren June 7, 2019, 8:37 p.m. Passive solar home design 1 Responses

Can you put foil covered foam panels inside a framed wall?

...air barrier as well. What is your climate zone , and are you also installing Air conditioning? Air conditioning in homes with vapor barriers can cause rot and m...

Posted by William McCart Feb. 22, 2021, 12:38 p.m. Insulation and soundproofing 3 Responses

Where should I put a vapour retarder?

...air conditioning as well? Here is our page that covers this issue- Don’t install air conditioning in a home with an interior vapor barrier If you aren’t pla...

Posted by Jeffrey Connell March 14, 2020, 4:25 p.m. Wall assemblies - new construction 4 Responses

Should you keep duct work out of the attic?

...air barrier to reduce air leakage and energy loss As for your other question, yes, duct work should be kept within the conditioned space. Running heating vent...

Posted by Frank Liu July 23, 2020, 8:53 a.m. Ventilation 1 Responses

Should a Vapor Barrier be installed over Exterior Grade Plywood?

...air conditioned, because it reverses the vapor drive. When it is hot and humid, that warm moist air can find its way through a wall assembly until it reaches th...

Posted by Michael Klauck March 6, 2020, 1:24 p.m. Air and vapour barriers 1 Responses

Can you use a vapour retarder paint on the ceiling instead of using a poly vapour barrier?

...air conditioning for human comfort, that vapour barrier is effectively on the wrong side in the cooling season. Learn it all on this page - Building science f...

Posted by Anwas Qwelten June 8, 2019, 3:56 p.m. Air and vapour barriers 2 Responses

Where does a vapour barrier go when building a shed in southern Ontario?

...air conditioning. Are you putting in AC in your workshop? If not, I would just put up 6 mil poly and be done with it. Certainteed is more expensive that a stand...

Posted by Charley Nelson Nov. 5, 2020, 10:09 a.m. Wall assemblies - new construction 1 Responses

What are your thoughts about incorporating natural ventilation techniques into the heating/cooling/ventilation design of a house?

...air movement? Where to place vents for air circulation between rooms to take advantage of cross currents and the stack effect, but also lessen noise transmissio...

Posted by dean c Jan. 18, 2020, 3:51 p.m. Ventilation 1 Responses