How do you know whether to get an HRV or an ERV?

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Should I get an HRV or an ERV?

RUPINDER ARORA March 12, 2021Last updated: March 12, 2021

I have a 40 yr home in Ottawa, Ontario Canada..where humidity is needed in winter and too much humidity in summer. Do I need a HRV or ERV unit...given the fact that I may not have an airtight home?

If yes....which is the best brand for my climate ???

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