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

Can you build a water-to-Air Heat Pump with a large storage tank and well water?

...air heat pump. I live in a cold climate so in the winter the water will be much warmer than the air. In the summer the system could be reversed to heat the wa...

Posted by Doug Edmondson Feb. 29, 2020, 3:32 p.m. Heat pumps, geothermal and AC 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

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

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

...airs to circulate air between my basement and main floor. Have a long 1100 sq ft house from the 60s (you know the one). Hoping for something cheaper than a full...

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

Is There a Difference Between an Air Barrier and vapor barrier?

...airs. This page explains it clearly - The difference between air barriers and vapor barriers What is almost certainly happening is that warm, humid air is e...

Posted by Sherri Mccormick Aug. 17, 2018, 3:24 p.m. Roof assemblies - renovation 3 Responses

Can you preheat ERV inlet air?

...air with a dedicated tube that runs through a heated slab? Similar to a geothermal heat exchanger concept. A cheap way is to build a "puit canadien"

Posted by A O April 6, 2020, 12:16 p.m. Ground-coupled heat exchanger 1 Responses

4" air pipe quality for air heated floor?

...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

Can I use an old patio door thermal pane as the cover for a solar air heater?

...air heaters - DIY solar air heater instructional video So if I understand correctly you are using the layered screen technique to build your panel? The on...

Posted by Fred Miller May 20, 2019, 11:44 a.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 is the best way to do Stucco/E.I.F.S exterior window wraps?

...air barrier installation? Installing a window properly to avoid air and water leaks is left up to the installer, there is no certification that we know of. Ther...

Posted by Pat Estes July 17, 2020, 11:50 a.m. Windows and doors 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