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3398 Washington Road
Atlanta, GA 30344
USA

773.398.5288

Advanced residential construction and home improvement consulting and owner's advocacy in Atlanta, using the latest building performance diagnostic and modeling techniques and tools. Airtightness, insulation, HVAC, ventilation, moisture, and air quality and EMF consulting for homeowners and building professionals alike.

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

Videos/Podcasts/Articles

Home performance articles and stories from the field with internationally respected building forensics guru Corbett Lunsford at the Building Performance Workshop. Hear new episodes of the Building Performance Podcast, see new videos from the Home Performance YouTube channel, and learn all about how diagnostic testing (more than an 'Energy Audit') can make home improvement and new home construction a proven process!

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

Corbett Lunsford

We almost never recommend that our 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. Let's dive into the free online calculator (https://www.redcalc.com/depressurization-analysis/) that I use in most of my consultations, and how to evaluate the numbers it generates.

Take my Ventilation Training and learn all that I know about this complex topic: https://buildingperformanceworkshop.com/ventilation

Get trained and certified by me to run blower door and duct testing: https://buildingperformanceworkshop.com/det-verifier

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categories Homeowner education, HVAC, Technical Articles, Testing Tools