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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.

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!

Filtering by Tag: humidity load

What Size Humidifier or Dehumidifier Do I Need for my Home? Humidity Calculations Demo

Corbett Lunsford

This is mathy, but it’s not anything too difficult for anyone to understand I think. There are lots of nuances and caveats, which I think make the whole thing more interesting! Ideal absolute humidity range is ~35-65 grains per pound.

∆Gr/lb = Inside gr/lb - Outside gr/lb

Gr/hr = ∆Gr/lb x CFM x 4.5

Lb/hr = Gr/hr / 7000

Lb/day = Lb/hr x 24

Gal/day = Lb/day x 0.12

Pints/day = Gal/day x 8