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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.


Stop Guessing. Proof Is Possible.

Grace and Corbett Lunsford moved the Building Performance Workshop to Atlanta, Georgia to help homeowners get the advice, scientific testing, and home improvement consulting they need. As an independent energy consultant and third party verifier of home performance through testing the envelope and HVAC systems, all things in a home can be proven. Proof Is Possible- ask for it. Blower door testing Atlanta, HVAC Commissioning, home safety testing, EMF testing, air quality testing, and much more.

NOW IN ATLANTA! Want to prove you got what you paid for in new home construction, or prioritize home improvements? We can help. Our clients understand home performance so it can be easily used to prove home improvement and home construction actually WORKS.

NOTHING CAN HIDE IN A HOME'S CONSTRUCTION NOWADAYS. The testing equipment and techniques are so advanced that we can help you solve any bizarre problem you have, in any type of home, new or old, anywhere in the country.

Tuning a home's performance is NOT ROCKET SCIENCE. To prove it, we built the world's highest performance tiny house on wheels (the #TinyLab) and showed it off in 34 cities in 26 states to 7,000 people. LEARN MORE...

It's your home, your money, and your family, so stop guessing.

We've helped hundreds of clients worldwide get control of their homes, and trained hundreds of building pros to earn more money doing better work for their own happier clients. We love sharing the secrets of tuning a home's performance- get in touch, and you'll actually get ahold of us personally.

Since we specialize in building forensics, you can count on accurate results. Since we remember what it's like to have tons of questions, you can count on clear explanations. And since we don't sell other home products, you can count on unbiased advice.

Read our free GeniusBooklet for homeowners. CLICK TO DOWNLOAD...

Read our free GeniusBooklet for homeowners. CLICK TO DOWNLOAD...