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3799 Main St. #87024
Atlanta, GA 30337


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.

Crash Course

Tiny houses in real life have problems with condensation, odors, pressures, comfort, and more. Don't be left in the dark about why all this happens- take your tiny space performance into your own hands with this 4-module lecture course from Corbett Lunsford, builder of the #TinyLab and co-creator of the Proof Is Possible Tour. Learn building science basics, how to design and install the enclosure, the HVAC, and the bells and whistles that make tiny houses so much fun to ponder.


Corbett and Grace created a resource-rich 4-module online video course for anyone who wants more knowledge about home performance.

Hours of custom training for homeowners and uninitiated building pros, with exclusive, in-depth video presentations on the entire scope of home performance you can use to make any home healthier, safer, and more comfortable. You also get dozens of additional resources for extra credit, and downloadable resources and worksheets for putting your new talents to work.

  • MODULE 1: The Essentials of Home Performance

  • MODULE 2: Air Sealing

  • MODULE 3: Insulation