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Home Performance: Borderline of Balanced Ventilation: When Bath Fans Won’t Work, and an ERV Becomes Necessary at Home



Corbett Lundsford talks about when to use an ERV in a home. And when not to...

Corbett Lundsford almost never recommends that clients go with Energy Recovery Ventilators (ERVs) for efficiency reasons- it always comes down to the air-tightness of the home. At a certain point, bath fans all over the home stop being helpful and actually become a serious liability for indoor pollution, humidity control, and predictions of performance overall.

In this video, he discusses the free online calculator (…) that he uses in most consultations, and how to evaluate the numbers it generates.

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