Heat recovery ventilation / Discussions

...ventilation to natural ventilation or not. is 0.35 ACH independent of the current air tightness of a home or is it assuming a home of 0 ACH? It's not clear. I ask because I am concerned my HRV is undersized. I have 3300 sq ft of living space, an air tightness of 1.5ACH and an HRV with 59CFM. Hope someone can clarify. C...

We need an 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 p...

Hello - I'm a home inspector in Kelowna, BC and did an inspection on a new building where I think the HRV is connected to an earth loop. The owner was certain they had a geothermal heating/cooling system but I'm thinking that it's this HRV system that she's thinking of. I've been trying to research how it works but can...

...ventilation equipment would likely be available either in a local building supply store, and if not online I would imagine.  Perhaps you saw this page already, but here is a guide to choosing between HRVs and ERVs 

...ventilation systems DIY install video Are you building a new home or addition, or is this an project to retrofit an existing space that doesn’t currently have ventilation? We used it for a new home, and as you will read in that page it has some advantages and some disadvantages, namely not being able to use a central s...

...heating and cooling, better home durability and they prevent mold from forming. Once you have settled this issue, its important to keep machines running efficiently, here is a page about how to keep your HRV clean and running efficiently, and if you need to replace it this page may help - How to choose between an HRV a...

...heat recovery and energy recovery ventilation). Units will have an ‘efficiency’ rating, meaning how much heat the recover before air is expelled from the home. You will pay more for a more efficient one, but it will also save you money on heating and cooling. Feel free to check back with us if you get a quote and need ...

...heating, not able to cool bedrooms well at night etc. Slab concrete with insulation outside of slab Legalett air heated radiant in slab (zoned) (bedrooms might get too warm at night?) ERV/HRV heat pump with AC cooling (zoned) (not sure if the AC would be strong enough?) The Legalett air heated radiant floor is just an ...

...ventilation systems to check with their munipality first to make sure it will pass. 

...ventilation system would depend a lot on your climate zone. First I would recommend you look over this article about choosing between an 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.

...ventilation point outside away from sources of smell and where it is possible to install. So, I would start with Strata and ask them. Then I would suggest checking if a HRV or ERV is best to install for your area. Hope that helps!

...Heat Recovery Ventilation and Energy Recovery Ventilation), but it seems you’ve done that. If not, see here first – Which is best for a home, and ERV or HRV? Zehnder is widely regarded at the top of the line home HRV / ERV, and is often a choice for high performance builds like LEED, or Passive House where often no exp...

...heat exchange takes place, Lunos units each have a ceramic core and their own individual fans. They work in pairs, with one unit blowing in while the other blows out. Exhaust air heats the core, and incoming air is warmed by the core, and in order to make that happen, they change directions every 70 seconds.  See our v...

...heat recovery ventilator should be based on the following criteria: Unit size according to the air volume of the house that will have to be replaced every hour (ventilation capacity), measured in CFMs, or cubic feet per minute Performance, or heat recovery rate – meaning the percentage of heat recovered from exhaust a...