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Home Diagnosis is the first-ever television series about measured home performance and building science. Grace and Corbett Lunsford use performance testing tools like infrared thermal cameras, blower doors, pressure gauges, and contaminant sensors to diagnose homes with mystery problems across America. The show also features the #TinyLab, the world's highest performance tiny house on wheels, which toured 13,000 miles to 34 cities on the Proof Is Possible Tour in 2016-17.

Online Course

This Crash Course in Home Performance is intended to quickly and thoroughly get any homeowner or building professional unfamiliar with measured home performance up to speed, to prepare for home improvements or new construction that will incorporate controls for invisible dynamics of physics and chemistry.


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:

  • Exclusive, in-depth video presentations on the entire scope of home performance you can use to make any home healthier, safer, and more comfortable

  • Dozens of additional resources for extra credit

  • Downloadable resources and worksheets for putting your new talents to work