HRV / Discussions

Can you use a Lunos E2 HRV System to circulate air between two floors?

...HRV, whether it is a ductless HRV like the Lunos or has a centralized core, is to recover heat before it is ejected from home. Unless I’m missing something then...

Posted by Richard Kolla May 20, 2020, 1 a.m. HRV and ERV 1 Responses

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

...HRV not effective? The only way to truly know if an HRV is required in an older home would be to do a blower door test to measure the rate of air leakage in y...

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

How do you install a ground loop for an HRV?

...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

Do I need ceiling fans if I have an HRV?

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

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

Is an HRV or ERV system best in a cold climate?

...HRV or ERV unit for our cold / hot climate? How do you recommend we size the HRV or ERV? Which brands do you have experience of/ would you recommend (bearing ...

Posted by Michael Duncan Nov. 14, 2019, 3:53 a.m. HRV and ERV 1 Responses

Can you preheat ERV inlet air?

...HRV inlet air with a dedicated tube that runs through a heated slab? Similar to a geothermal heat exchanger concept. A cheap way is to build a "puit canadien"

Posted by A O April 6, 2020, 12:16 p.m. Ground-coupled heat exchanger 1 Responses

Can a solar thermal air system be coupled to an HRV for heating 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 app...

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

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

I need an air exchanger in a new studio, it's very tight, 350 square feet, and want to buy two Lunos HRV's. I need the cost per unit and the best locations for...

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

Where can I buy an HRV in New York State?

...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

is it possible to integrate an HRV system into an existing gas forced air HVAC system?

It is a Trane XL95 four speed blower and trane AC

Posted by richard gunderson Feb. 27, 2020, 2:35 p.m. Mechanical systems 0 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 Adam Y. Dec. 11, 2017, 1:07 p.m. HRV and ERV 1 Responses

Can you help trouble shoot my Lunos HRV e2 system in my tiny home?

...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

What is the best choice for me, HRV or ERV?

...HRV and ERV (Heat Recovery Ventilator and Energy Recovery Ventilator for those not familiar) comes down mostly to climate, and a wee bit lifestyle, since an ERV...

Posted by John Oakes Jan. 10, 2020, 11:04 p.m. HRV and ERV 1 Responses

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

...HRV, Radiant heat in the slab and a wood stove. do I need all this or can I do it wish just the heat pump? Or can you advise me on a better system to install? I...

Posted by Iain cunningham March 27, 2019, 9:31 p.m. Heating and cooling 1 Responses

What are your thoughts about incorporating natural ventilation techniques into the heating/cooling/ventilation design of a house?

...HRV or ERV) for a mixed mode ventilation strategy? Is there modeling software available to see where operable windows would work best? Perhaps adding ventilat...

Posted by dean c Jan. 18, 2020, 3:51 p.m. Ventilation 1 Responses

What is the best way to reduce humidity in a basement?

...HRV or ERV ventilator unit, or simply put a decent fan one side of the house and a vent or two with bug screens in on the other through the pony wall - bearing ...

Posted by Frank Cooper Oct. 17, 2019, 10:45 p.m. Basements improvements 2 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 Kevin Newman April 19, 2017, 10:30 a.m. Ventilation 1 Responses

How do you get rid of mold 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 Sara Oct. 28, 2017, 9:50 a.m. Healthy indoor air quality 1 Responses