Ductless HRV / Discussions

What are your recommendations for an HRV system for a Tiny Home less than 500sq feet in Northern Ontario?

...HRV for our purposes.  The best ERV or HRV heat exchangers for tiny houses in cold climates would in our opinion be ductless wall-insert models. you can see them here in our green building products directory -  Find the best ductless HRV air exchanger for tiny houses in cold climates These types of heat recovery ventil...

Posted by Marsha Kalita April 8, 2025 HRV and ERV 1 response

The Lunos E2 ductless HRV looks like an interesting product but are there equivalents?

...HRV to ventilate our tiny home and a compact ductless model like the Lunos e2 HRV looks ideal - but I'm finding the price of them to be too high. What I'm wondering is whether any equivalent models exist and do they come in at a more affordable cost? Ductless HRVs like this are for sure a great option, and particularly...

Posted by Romain Jzlavid April 1, 2025 HRV and ERV 1 response

Do I need exhaust fans for bathrooms if I have an ERV that is connected to them?

...HRV to pull exhaust air from the bathroom instead of a bathroom fan is an excellent alternative. A bathroom fan will depressurize the home and cause air to infiltrate through any holes in the building envelope, whereas if your heat recovery ventilation system is used as a bathroom fan then new air -warmed or cooled by ...

Posted by Dennis Pierron Jan. 10, 2022 Ventilation 4 responses

What is the best ductless HRV system?

...ductless HRV and HRVs, we don’t have a particular brand to recommend over another though there are a few options among ductless HRV & ERV units here.  Having chosen a unit, our install video might be useful, and this page also discusses the pros and cons of the system as well.  Ductless HRV and ERV ventilation syst...

Posted by michelle ifversen Dec. 17, 2021 HRV and ERV 1 response

Has anyone used Lunos Ductless HRVs in Alberta and passed inspection?

...Ductless Air Exchangers, some had no problem and some were refused. I think the best bet for anyone that wants to try Installing ductless HRV ERV ventilation systems to check with their munipality first to make sure it will pass. 

Posted by Michelle Dimaano Nov. 4, 2019 HRV and ERV 3 responses

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

...Ductless  HRV / ERV wall-insert ventilation systems are a great alternative to fully ducted HRVs with centralized cores. Particularly for renovation projects when you want to add 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 Ai...

Posted by martin tierney Nov. 16, 2019 HRV and ERV 1 response