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

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

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

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

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

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

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

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

I have chronic illness from the air quality of my home, can you help determine if I need to replace the HVAC system?

...air quality- some return air/vents were completely blocked off by some not very intelligent homeowners - so air isn't moving properly in home. The electric is...

Posted by Niki Harrison Sept. 6, 2019, 4:32 p.m. HRV and ERV 2 Responses

How do you attach exterior siding without affecting the air barrier on a passive house?

...airtight barrier. Thanks, Scott The Zip Sheathing System is an air barrier sheathing when the joints are taped as specified by the manufacturer. There should ...

Posted by Scott Bowker July 16, 2018, 11:07 p.m. Wall assemblies - new construction 3 Responses

Should I use an air source heat pump in a Passive House?

...air dryer ”. But there’s savings to be had in building costs as well, because you can reduce the size of the heating system, and you certainly don’t need that m...

Posted by Iain cunningham March 27, 2019, 9:31 p.m. Heating and cooling 1 Responses

How do you deal with a house under negative pressure?

...air pressure in a home - House Air Tightness - Why Balancing Air Pressure is Essential On air pressure, there is clearly a balance problem with an excess am...

Posted by Connie Taylor April 16, 2020, 1:41 p.m. Ventilation 1 Responses