Air pressure / Discussions

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

...air exchanger set up for someone with chemical and mold sensitivies. And any tips on setting up proper air pressure for air flow in home, don't want the attic...

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

Do you have a diagram showing effect of winds on the pressure inside the house?

...air pressure inside the house, wind will create a negative pressure on the opposite side of a home and draw air from that wall. Air pressure in the home will ...

Posted by Bryan Bargen June 8, 2018, 5:20 p.m. Air and vapour barriers 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 Formaldehyde-free counter tops Healthy home cl...

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

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

...air reading can be the result of high level of radon in well water. Thanks for your input. A low reading of radon gas in your air is great, and it’s certainly a...

Posted by Steve Bull Jan. 4, 2020, 1:45 p.m. Radon in Homes - Mitigation 3 Responses

Improving the efficiency of a home built in 1978 during renovations, do I need an HRV?

...air quality could/should be improved in older leaky homes as well. Or would the excessive air leaks make the HRV not effective? The only way to truly know if ...

Posted by joe cruikshank Feb. 8, 2020, 12:08 p.m. HRV and ERV 1 Responses

When I use my stove hood I get smoke odours in my home, is that due to negative pressure and how do I fix it?

...air through the furnace chimney, does this make sense and what should I do? Hi, first a couple of questions back to you, does your furnace have an outside air i...

Posted by Anonymous Dec. 11, 2017, 12:37 p.m. Healthy indoor air quality 1 Responses

How do you replace windows in a double stud wall house?

...pressure from above. Think of it a bit like a bridge that transfers the weight to either side of the window opening. In order to be able to carry the load and...

Posted by Sasha June 25, 2018, 10:25 p.m. Windows and doors 3 Responses

Should I replace my geothermal system with a gas boiler?

...air : You need to determine exactly what caused the failure, so first have a contractor pressure test the system to ensure it isn’t a leak down in the well. ...

Posted by Lawrence Brusnyk Oct. 31, 2018, 8:07 p.m. Heat pumps, geothermal and AC 1 Responses

Combo structural sheathing, WRB and thin insulation panel in Ontario?

...air and vapor permeance as well as thermal performance is a good idea as well. And a very important caveat - you need to choose the right products and install i...

Posted by Steve Bull Jan. 14, 2020, 6:06 p.m. Walls and Roofs 3 Responses