Should I install an HRV or ERV?

David Hinton
David Hinton
Updated: March 4, 2022

We have a late 1960s brick bungalow in SW Ontario. A few years ago we insulated with blown in insulation, which has worked well. On the coldest winter days however a small amount of condensation forms on the lower edges of most windows (reasonably decent North Star replacement windows). We have a very old air conditioner which needs to be replaced and are trying to decide whether we should install a HRV or ERV at the same time?

We are not heavy users of AC, usually setting it to 26C, mostly to take the edge off the very humid environment.

Also, would the mostly unfinished basement benefit from the increased ventilation using a HRV or ERV?

Thank you in advance, David.

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