Air quality / Discussions

How do you seal windows from the exterior for water and air but not create a vapor seal?

...air seal over the long term in the event of any shifting. A high-quality tape (and I stress a HIGH qualityAirstop, Siga, Delta Multiband are a few names) wil...

Posted by Piyush Prince Nov. 7, 2018, 12:10 a.m. Windows and doors 1 Responses

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

...quality building tape to ensure the continuity of your air barrier , we had our poly barrier go through the wall assembly and taped it to the exterior air barri...

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

What is the best heat pump hot water heater for an all electric house?

...quality and lowest maintenance. Any tips or recommendations for the best quality water heater? Heat Pump Water Heaters take in warm air from your home to genera...

Posted by Babak K Aug. 1, 2020, 7:07 p.m. Heat pumps, geothermal and AC 1 Responses

Is it worth investing in triple-pane windows?

...air quality and is considered by the USGBC to be among the most environmentally destructive building materials available when the full life cycle is considered....

Posted by K.P. July 8, 2017, 12:39 p.m. Windows and doors 1 Responses

Can you help me choose between a slab on grade and pressure treated wood foundation?

...air: Clean indoor air quality Removing dust and moisture from homes Choosing safe paints and finishes Choosing eco-friendly sustainable counter tops ...

Posted by Margot Simonot May 20, 2019, midnight Slab on Grade 1 Responses

Has anyone used Lunos Ductless HRVs in Alberta and passed inspection?

...Air Exchangers , some had no problem and some were refused. I think the best bet for anyone that wants to try Installing ductless HRV ERV ventilation systems to...

Posted by Michelle Dimaano Nov. 4, 2019, 12:41 p.m. HRV and ERV 2 Responses

Does a low radon air reading necessarily = low radon in well water?

...air or water of your home, addressing that would be my number one air quality priority. And further to your woodstove comment, one that pulls air from the house...

Posted by Steve Bull Jan. 4, 2020, 1:45 p.m. Radon in Homes - Mitigation 5 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

Should our HRV keep our humidity lower than 40%, even in the cold months?

...air is outside. What climate zone are you in? I some regions there can still be quite a bit of humidity even in cold air, that could be a factor. Here is a good...

Posted by Kim Clement Feb. 8, 2021, 5:43 p.m. Ventilation 5 Responses

What kind of non-toxic exterior sheathing can be used in place of plywood?

...air quality. There is an interior grade plywood called Purebond from Columbia Forest Products in case you will have any plywood on the interior. I called the co...

Posted by pier charter June 4, 2020, 1:12 p.m. Wood and organic materials 1 Responses

What is the best material for flooring?

...air quality of your home with any toxic materials that will off-gas. We have built a couple of demonstration homes in recent years and in one we used cork floor...

Posted by Babak K July 17, 2020, 2:09 a.m. Flooring and stairs 1 Responses

How to reduce the rain noise from a metal roof?

...air space below. The air space is essential with an acoustic material in order to have any effect on reducing sound transmission. All that to say that adding ri...

Posted by Igal H Nov. 24, 2020, 4:57 p.m. Insulation and soundproofing 1 Responses

Wood Burning Stove - Do We Need A Cold Air Vent to Safely Operate?

...air in, so if your home is pretty airtight as you say, then I'd say yes to the direct air feed - but I will also give a couple of suggestions. To operate wood...

Posted by Regina Vigil Feb. 15, 2021, 3:11 p.m. Wood stove and biomass heat 2 Responses

What type of insulation should I use ?

...air barrier as well as vapor barrier / vapor retarder, see here the difference between air barriers and vapor barriers.

Posted by Dawn Wood Feb. 5, 2021, 12:02 a.m. Insulation and soundproofing 1 Responses

What should I be looking for in a heat recovery ventilator?

...air volume of the house that will have to be replaced every hour (ventilation capacity), measured in CFMs, or cubic feet per minute Performance, or heat recov...

Posted by Adam Y. Dec. 11, 2017, 1:07 p.m. HRV and ERV 2 Responses

How do you install a ground loop for an HRV?

...air into an HRV. They work well to help reduce heating and cooling costs, however, there are air quality concerns if they are not done properly. We would firs...

Posted by Lee Watt July 10, 2018, 12:43 a.m. HRV and ERV 2 Responses

Where can I find caulking and adhesives without antimicrobial (biocides) chemicals?

...air and causing respiratory issues, headaches, etc. I do not want to use them in my home. I am looking for linoleum adhesive, wood flooring adhesive, and a ...

Posted by Riki Luri Jan. 10, 2020, 9:55 a.m. Healthy indoor air quality 0 Responses

How do you lower winter indoor humidity in a home in Guelph, ON?

Our winter house humidity here in Guelph, ON is between 30 - 40 % RH. We have awhole house dehumidifier. in 2020 we had new doors installed. When it hits -10 o...

Posted by Gary Luck May 26, 2021, 3:01 p.m. Healthy indoor air quality 1 Responses