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Old 10-14-2021, 08:51 AM   #23
Barnes
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Quote:
Originally Posted by FlamesFanStrandedInEDM View Post


I’m not sure how I would control it. I believe this is it.

Edit: Nevermind, I guess this is the ventilation system


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This is an HRV. What is the ventilation control panel set to do? Your neighbor may have there's set to exchange air all the time creating positive pressure.

Have you cleaned the filter and heat exchanger?
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