Air / Discussions

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 4 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 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

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

Can you replace an old slab foundation with an air heated slab?

...air heated radiant floors is intended for new home construction, though you could raise a house and build a basement with one. So – on the off chance you have...

Posted by Mike Molloy Nov. 7, 2019, 8:44 p.m. Slab on Grade 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

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

Can you preheat ERV inlet air?

Have you heard of the option to preheat the ERV/HRV inlet air with a dedicated tube that runs through a heated slab? Similar to a geothermal heat exchanger con...

Posted by A O April 6, 2020, 12:16 p.m. Ground-coupled heat exchanger 2 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

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

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

...air or water of your home, addressing that would be my number one air quality priority. And further to your woodstove comment, one that pulls air from the house...

Posted by Steve Bull Jan. 4, 2020, 1:45 p.m. Radon in Homes - Mitigation 5 Responses

How do you seal windows from the exterior for water and air but not create a vapor seal?

...air seal. Your typical roll of low-priced building tape becomes brittle in a fairly short period of time and is prone to cracking and coming unadhered. When air...

Posted by Piyush Prince Nov. 7, 2018, 12:10 a.m. Windows and doors 1 Responses

What is the process to seal a house using Aero barrier spray?

...airtightness. So would you suggest using air barrier and tape first? Or go straight for the Aerobarrier and bypass all the hassle of membrane and tape? Or is...

Posted by Santiago Pacheco Feb. 13, 2020, 11:06 a.m. Air and vapour barriers 3 Responses

Can I use a Legalett slab in Florida if I don't want floor heat?

...air heated radiant floor , but it is not necessary. They are installed in all climates from the far north to the south, and even in cold climates they don’t alw...

Posted by Harry Dickinson March 25, 2021, 10:21 a.m. Slab on Grade 1 Responses

Should I vent the space between a block wall and vapor barrier?

...air space of an inch or so won’t do much to alleviate the problem, since that air will soon be fully saturated (as in reach 100% Relative Humidity) and the wall...

Posted by Nick Santore Oct. 10, 2020, 2:03 a.m. Basements improvements 1 Responses

What are the best air-quality solutions for processing cigarette smoke?

...airs neighbor. Outside of de/re-construction of the building to improve insulation or stand-alone air purifiers, I've had difficulty finding an effective soluti...

Posted by Jordan Hoffman March 18, 2021, 2:37 p.m. Healthy indoor air quality 0 Responses