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

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Overview

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 (https://www.redcalc.com/depressurizat…) that he uses in most consultations, and how to evaluate the numbers it generates.

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