Air / Discussions

Are air purifiers a good option for keeping my apartment air cleaner?

...Air Quality in Homes As for air purifiers, they don't always work as well as people hope. The way they operate is quite simple; air is drawn in and passes thr...

Posted by Chris George Nov. 14, 2017, 10:53 a.m. Healthy indoor air quality 1 Responses

Can a solar thermal air system be coupled to an HRV for heating incoming fresh air?

...air system which would collect heat for the fresh air side of the HVR and on the system's interior air flow after the "heat transfer" box. I also would like t...

Posted by Brian Billings March 21, 2019, 2:53 p.m. Solar thermal collectors 1 Responses

Why are Legalett air heated floors better than electric mats?

...air heated foundation system better than radiant heat mats which are electric and nothing is wasted heating the air

Posted by tony wolff Dec. 17, 2020, 9:28 p.m. Delivery: radiant, forced-air and decentralized 0 Responses

What is your recommendation for an air source heat pump?

...air to air heat pump. What do you recomend? I live in Hillside beach Manitoba....Thank you. To learn more about how to choose a heat pump see this page . I woul...

Posted by Martin Dandeneau July 9, 2020, 2:30 p.m. Heating and cooling 3 Responses

Air source heat pumps: Which brand has the best performance?

...air heated floor to provide most of the heat, and we included a ductless heat pump on the second floor. We used the CS11M model from Direct Air. Both of those m...

Posted by Mike Brigham Jan. 22, 2020, 9:25 a.m. Heat pumps, geothermal and AC 1 Responses

How well does the Legalett air heated floor work when pouring concrete?

...air pipe system I was wondering if you have to vibrate the concrete mix to ensure no air pockets? What is the thickness of the pipe- sch40 or more like sdr26? H...

Posted by Israel Sword March 28, 2020, 6:26 a.m. Slab on Grade 1 Responses

How do you build an air heated concrete slab?

...air space and the tile? Does it make a difference if the bulk of the concrete (thermal) mass is below the airspace or between the airspace and the tile? Thanks ...

Posted by Matt Wisniewski Dec. 27, 2020, 6:27 p.m. Passive solar home design 0 Responses

Where to get good tape for taping air barriers?

...Air Stop are three examples of tapes with much better adhesion." I'm in Montreal and i was trying to find one of these brands of tape in local hardware stores b...

Posted by Frank Suerich-Gulick Sept. 12, 2020, 7:25 p.m. Air and vapour barriers 2 Responses

Is there an update on your demo house solar air heater?

...air heated slab foundation to do an analysis of its effectiveness? I'm wondering what the numbers are on using the solar air heated collector to provide supplem...

Posted by dean c Oct. 24, 2020, 2 p.m. Concept and design 1 Responses

How do I create a complete air barrier using a vapour retarding primer?

...air and vapour movement comes from the fact that usually one product (6-mil polyethylene) is used as both the vapour barrier AND air barrier, but air leakage an...

Posted by Mihai Wilson May 3, 2018, 10:15 p.m. Wall assemblies - renovation 1 Responses

Do I need CSA Approval to Build and Sell Solar Air Heaters?

...air heaters in Canada? That's an interesting question, but one that we are not really positioned to answer with confidence. I did speak with one manufacturer th...

Posted by Nathan Mackay Aug. 7, 2018, 8:26 p.m. Solar thermal collectors 1 Responses

Does using T & G wood plank instead of drywall affect where we put the vapor & air barrier?

...air barrier . I won't go to far off on a tangent but please see this page about WRBs (weather resisistent barriers) as air barriers , because you could go with ...

Posted by Sue Colbourne Nov. 9, 2019, 6:16 p.m. Walls and ceilings - interior surfaces 3 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

How to air seal & ventilate a partial gut reno of a 1901 house?

...air sealing we have done has been applied to the inboard side of the exterior wall studs, and we are running a secondary 2x service cavity inboard of that air b...

Posted by Zach Zill Feb. 7, 2021, 4:33 p.m. Air and vapour barriers 0 Responses

Should I put foam boards right against my basement wall or leave an air gap?

...air while the front of the house is underground. My question is should I apply 2 inch foam board to the inside of the wall or leave a gap for air? I understand ...

Posted by Elijah Hargett Jan. 9, 2021, 5:31 p.m. Foundation and basement improvements 4 Responses

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

Can you use a Lunos E2 HRV System to circulate air between two floors?

...air exchanger (or ProductAir ductless ERVs ) to circulate air between 2 floors in a home would be a lot of money spent for nothing I think. Have you considered ...

Posted by Richard Kolla May 20, 2020, 1 a.m. HRV and ERV 1 Responses

Should you allow air flow through a crawl space with a dirt floor?

...air can circulate underneath the cabin? If it is best to remove the sheeting what would your suggestion be for insulating the floor from below? We are thinking ...

Posted by Amber Murray Aug. 17, 2020, 10 p.m. Crawl spaces 3 Responses