Do you need an HRV or ERV in a 68 year old home?

Gary Szymkowski

4 years ago Updated: Dec. 3, 2020

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I have a 68 year old house with brick exterior walls and plaster interior walls. I'm assuming the insulation is rock wool with paper. My house can get dry in the winter sometimes with humidity at 20% in a cold spell and I am going to install a humidifier. I have a merv16 air filter installed. Do I need an HRV or ERV ? Do you think this house would have sufficient fresh air ?

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