Fresh air / Discussions

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

Do you need an HRV or ERV in a 68 year old home?

...air filter installed. Do I need an HRV or ERV ? Do you think this house would have sufficient fresh air ?

Posted by Gary Szymkowski Nov. 1, 2020, 10:11 a.m. Ventilation 0 Responses

Can an HRV be installed in a condo?

...fresh 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?...

Posted by Eugene Tam June 29, 2020, 7:42 a.m. Healthy indoor air quality 1 Responses

Could a ductless heat recovery ventilator be used for radon mitigation?

...air through the existing ductwork, however I realize that there is no fresh air coming in or stale being pushed out. Perhaps a plain old air-to-air exchanger th...

Posted by Jim B Feb. 20, 2021, 4:40 p.m. Radon in Homes - Mitigation 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 are the HRV or ERV options for 40-yr 2-storey 2000 sq ft home?

...fresh air will in the long run be an expensive solution to bring fresh air into a home, and when you aim to sell it you would likely benefit by having a ventila...

Posted by T Newell July 17, 2020, 1:59 p.m. HRV and ERV 1 Responses

How do you add an Air Exchanger to a house with Hot Water Heat?

...fresh air, so you should have some sort of ventilation system to remove airborne contaminants and humidity, while providing fresh air for occupants. I would als...

Posted by Bob Engelhart June 17, 2020, 10:08 a.m. Ventilation 3 Responses

What should I be looking for in a heat recovery ventilator?

...fresh air requirements of a home as well as proper placement of ducts are not easy calculations to make, so this is best left to licenced HVAC installers. All t...

Posted by Adam Y. Dec. 11, 2017, 1:07 p.m. HRV and ERV 2 Responses

Is there a small ventilation HRV/ERV for a camper van?

...Air-Port Fresh Air Exchanger. Doesn't have great reviews but I'm going to give it a try. Thanks for getting back to me. Glad to year you found a suitable candid...

Posted by Ron Timmins June 6, 2020, 8:05 a.m. Tiny house 4 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 . Don't count on air purifiers to do much about indoor air quality , they aren’t...

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

Should our HRV keep our humidity lower than 40%, even in the cold months?

...air average of about 60%RH. So yes on the dehumifier, and maybe you're running your HRV too much. An HRV is to bring fresh air in for occupants and to remove hu...

Posted by Kim Clement Feb. 8, 2021, 5:43 p.m. Ventilation 5 Responses

Wood Burning Stove - Do We Need A Cold Air Vent to Safely Operate?

...air in, so if your home is pretty airtight as you say, then I'd say yes to the direct air feed - but I will also give a couple of suggestions. To operate wood...

Posted by Regina Vigil Feb. 15, 2021, 3:11 p.m. Wood stove and biomass heat 2 Responses

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

...air conditioning add-on to your ventilation equipment, since any radiant heated home needs an air exchanger to remove moisture and provide fresh air for occupan...

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

How do you install your own DIY radon mitigation system?

...fresh air at the same time. That puts the job in the hands of an HVAC installer. If you do plan to undertake a sub-slab removal technique, unfortunately you a...

Posted by Ariel Fridman Jan. 27, 2020, 10:59 a.m. Radon in Homes - Mitigation 1 Responses

Do you recommend ERV or HRV system in mild climates or can do away with them?

...fresh air for durability and humans need it for health. So if you are either heating or cooling a house with no HVAC system you are left with one solution, open...

Posted by Babak K Aug. 1, 2020, 7:12 p.m. HRV and ERV 1 Responses

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

...airtight , with luck you will get to the point where you need ventilation system to provide fresh air. But that really depends on how thorough a job you do. Wha...

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

What is the optimal setup for mechanical systems for slab on grade?

...fresh air, so designing a system has a lot to do with the volume of air in the house, as well as the layout - is it open concept of compartmentalized? Can the s...

Posted by Dave Nuttall July 6, 2019, 9:42 a.m. Mechanical systems 1 Responses

Lunos HRV - where can I buy them and get advice?

...fresh air but not rip walls apart for running ducts, all you need to provide to unit is a low voltage wire, see more here - Lunos Ductless Air Exchanger DIY i...

Posted by martin tierney Nov. 16, 2019, 4:57 p.m. HRV and ERV 1 Responses