Contact Us

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3398 Washington Road
Atlanta, GA 30344
USA

773.398.5288

corbett@buildingperformanceworkshop.com

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!

Manual D Duct Calculations by Hand: ACCA HVAC Design with TEL, Static Pressure, & Friction Rate

May 7, 2025Corbett Lunsford

Join the world's best year-round conference on building science for as little as $5: https://www.patreon.com/HomeDiagnosisTV

4-page ACCA Worksheet for Manual D: https://buildingperformanceworkshop.com/s/Manual-D-Duct-Design-Worksheet-39sl.pdf

Automated ACCA Manual D Spreadsheet: https://www.acca.org/HigherLogic/System/DownloadDocumentFile.ashx?DocumentFileKey=0a4c57a8-9943-17ae-a1e7-92f71109dc8a&forceDialog=1

Calculators of all kinds for home performance: https://buildingperformanceworkshop.com/calculator

Get 1-on-1 help with any home: https://buildingperformanceworkshop.com/video-consulting

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Converting Window U-values between Metric and IP: Quick Tip

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Sleep IAQ: How to Tune Your Bedroom Ventilation for the Best Rest with Pawel Wargocki