Air quality / 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 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

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

What is safer than OSB for someone with multiple chemical sensitivities?

...air quality consultant to aid me with my builder. Thank you in advance? OSB isn’t considered to be overly toxic, but it is not impossible that you are experienc...

Posted by Ian Smith April 27, 2020, 1:01 p.m. Healthy indoor air quality 1 Responses

Which type of hot water pipe insulation is best?

...air quality of my new build, so I don’t want to mess up on something small like this. Thanks! That’s a great question, and a great practice. Insulating hot wate...

Posted by Cooper Dec. 11, 2017, 2:36 p.m. Plumbing and water heaters 1 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

What is the best heating and cooling system for a slab on grade home?

...air system to heat our second floor as well as provide cooling to both floors in the summer. The forced air would also help maintain air quality in the home yea...

Posted by Matthew Gioia July 7, 2020, 11:03 p.m. Heating and cooling 3 Responses

Spray Foam for basements, which of the different types are best environmentally?

...air quality and there seem to be a lot of different spray foams available some of which mention climate change and environmental concerns - but we're wary of gr...

Posted by Rose Adams Jan. 9, 2020, 9:33 a.m. Insulation and soundproofing 1 Responses

Building a Honka log “pretty good house” planning - thoughts on hvac, ventilation and roof

...air quality and behave as thermal batteries / but I can't tell how close to a passive / pretty-good-house their R value brings them. I'm hoping to get some feed...

Posted by Klemen Novak June 28, 2020, 1:55 a.m. Planning and Design 1 Responses

Should I replace my geothermal system with a gas boiler?

...air heat on the main floor. I met with the plumber and the heating guys 2 days ago and have been trying to sort out what the best approach is. All my previous...

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

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

...air purifiers really do work, thanks for any advice. Improve the quality of indoor air: In the absence of an HRV , the most effective strategy for ensuring he...

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

Where can I buy an HRV in New York State?

...air exchanger that moves 1500 CFM of air from from the outside with temperatures ranging from 0°Fahrenheit 2 an exhaust temperature of at least 55 Can you tell ...

Posted by Jarred Weaver July 29, 2019, 8:55 a.m. HRV and ERV 3 Responses

Do you have suggestion for non-toxic closet design company, or materials?

...air quality in a home , but below are a few pages in particular that may help. If you are looking for non-toxic cabinetry materials for shelving, we recently ...

Posted by Nicole Lucas Haimes Oct. 11, 2019, 10:51 p.m. Materials and resources 1 Responses

how do you stop wood stove smoke from entering a home?

...airtight home really should have an air exchanger to protect indoor air quality. I wouldn’t count on air purifiers to do much about indoor air quality, they are...

Posted by Don Leaver March 24, 2020, 10:49 a.m. Wood stove and biomass heat 4 Responses

Do I need ceiling fans if I have an HRV?

I have high ceilings and I will be adding an addition this summer with normal height ceilings and a new stairwell to the basement. Should I arrange for a ceili...

Posted by S McIntyre April 2, 2019, 10:01 p.m. Ventilation 1 Responses

Where can I find Natural Interior Paint?

We required natural Interior paint Finding non-toxic zero VOC paint is much easier now and is available at almost all box stores or paint supply stores, but in...

Posted by Ramana Murty April 2, 2020, 4:45 p.m. Paints, finishes and natural coatings 1 Responses

Can an HRV be installed in a condo?

...air from opening windows quite difficult. Would an HRV help to filter out the odours and pollutants? Are there any specific HRVs more suitable for condos? Reg...

Posted by Eugene Tam June 29, 2020, 7:42 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

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

...air barrier, they can have wildly different results depending on the care with which they were installed. We prefer high quality tapes and air barriers that a...

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