HRV / Posts

Looking to purchase an HRV

...HRV and ERV to see which type of unit may best suit your needs. This page about how to keep an HRV operating efficiently may be of value long term as well. New ...

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

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

I have been doing some reading and I think I should install an HRV, I have on older home (1970s) and it doesn't have one, wondering what I should be looking fo...

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

Do I need ceiling fans if I have an HRV?

...HRV connected throughout? Hi S, If it were me I'd want a ceiling fan in the older portion of the home as well, certaily if it can be done during other renovat...

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

should I use an air source heat pump in a Passive House?

...HRV, UFH in slab, arin harvester , log burner, do I need all this or can I do without ASHP? Or can you advise me on a better system to install? I'm building 2 b...

Posted by Iain cunningham March 27, 2019, 9:31 p.m. Heating and cooling 0 Responses

HRV/ERV systems and ground loops (earth tubes)

...HRV. I understand using the ground loop fluid to preheat the air in the winter prior to entering the HRV but would in not be beneficial to have a second ground ...

Posted by Lee Watt July 10, 2018, 12:43 a.m. HRV and ERV 1 Responses

Is it normal that condensation forms on the windows of my new home?

...HRV will likely help, you could also look for a model that also provides dehumidification. To understand the difference between an ERV & HRV unit, see here . ...

Posted by Anonymous April 19, 2017, 10:30 a.m. Ventilation 1 Responses

Can you recommend an HVAC contractor in Vancouver?

I own my detached home in Vancouver. We have a natural gas boiler that heats water for hot water uses and the water that flows through floor pipes providing ra...

Posted by Jennifer Smith March 18, 2019, 5:58 p.m. HRV and ERV 1 Responses

HVAC replacement for old home? Chronic illness (air quality) being key importance...

...HRV that is performing well. Blocked vents – unblocking the was wise, but it’s possible that the HRV was damaged by that move. Electrical issues in a home i...

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

I have the Lunos HRV e2 system in my tiny home and I need help.

...HRV's. Rather than having a centralized core where the heat exchange takes place, Lunos units each have a ceramic core and their own individual fans. They work ...

Posted by L Dingwall May 24, 2018, 11:06 p.m. HRV and ERV 2 Responses

Could solar thermal air system be coupled to existing HRV for heating the incoming fresh air?

...HRV. To achieve a similar result of pre-heating air before it enters the HRV I would instead propose a ‘ground loop’ system which is a solution sometimes applie...

Posted by Brian Billings March 21, 2019, 2:53 p.m. Solar thermal collectors 1 Responses

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

...HRV or ERV in the mechanical room. You will want to make sure that you deliver enough fresh air, so designing a system has a lot to do with the volume of air in...

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

...HRV)? Lack of either of those and a newly installed stove hood we suspect are at the root of the problem How backflow flue gases are caused: When you depressuri...

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

How do you get rid of mould in a bathroom?

...HRV unit but retrofitting ductwork looks too complicated, then consider a ductless HRV unit instead, see here for details . There's also a video on how easy the...

Posted by Anonymous Oct. 28, 2017, 9:50 a.m. Healthy indoor air quality 1 Responses

What is the right amount of insulation?

...HRV as I can find for a reasonable price. I've read that ERV's got a bad rap in cold weather when they first came out but might be better than the HRV now...tho...

Posted by Ryan Gerbrandt Feb. 11, 2019, 9:57 a.m. Passive solar home design 4 Responses

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

...HRV, the most effective strategy for ensuring healthy air at home is to avoid introducing pollutants in the first place. This means, among other things, avoidin...

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

My door lock keeps freezing to the point I can’t open it, any idea why this would happen?

...HRV system, but make sure that it in good working order and runs the appropriate number of hours per day, and that it is properly balanced. If it is pressuriz...

Posted by Anonymous Nov. 13, 2016, 1:15 p.m. Walls and Roofs 1 Responses

Considering a slab on grade vs a basement

...HRV ducting should not be run in the slab, that should be run through walls and ceilings only. 3. What about a hybrid - we don't need a full basement, what ar...

Posted by Shaun B April 2, 2019, 6:35 a.m. Slab on Grade 3 Responses

Insulating walkout basement made of CMU Wall with a rockwool.

...HRV or ERV (Heat Recovery Ventilation / Energy Recovery Ventilation). The Rockwool insulation boards can go right against the CMU wall (Rockwool / mineral woo...

Posted by Victor B June 19, 2019, 11:41 p.m. Basements improvements 5 Responses
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