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Atlanta, GA

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!

Encapsulated vs. Conditioned Attic: HVAC Design Tricks to Get More Accuracy from Manual J Wrightsoft

Corbett Lunsford

WHY and HOW I model encapsulated attics as actual conditioned space, which gets a Btu and CFM assigned to them. You can see the load difference starts to really stack up with the amount of variables that go into it. Using Wrightsoft load calculation and SketchUp 3D modeling softwares. Thanks to Alex Meany (https://MeanHVAC.com) for teaching me how to work this magic on Wrightsoft.

CHAPTER MARKERS:

13:58 Surface Area Impacts

15:30 How to Model Conditioned Attics in Wrightsoft

27:37 Blower Door Impacts

31:15 Windows in the Attic

34:00 Duct Leakage Impacts

39:20 Value Engineering Impacts

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