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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.

Find a Pro

Want to use measured home performance to tune your own home? Here’s a guide to finding and hiring a home performance company near you.

Guide to Finding Home Performance Professionals

Since our series is educational in nature, here we'll be educating you on finding and vetting home performance professionals in your local area to help you pinpoint home improvement opportunities and prove your home is meeting your targets for performance.

HOME PERFORMANCE PROFESSIONAL: anyone who possesses test instruments for measuring invisible dynamics of heat flow, airflow and pressure, moisture, and air quality, AND approaches a home as a system of interrelating and interdependent parts. Some professionals perform testing only, as third-party verifiers, but most are contractors who utilize testing to prove their new construction or home improvements perform as designed.

First, you need to filter down to the companies that use testing tools, since that's the basis of all home performance work. Search the internet for nearby companies using keywords like these:

  • "Home performance"

  • "Blower door"

  • "Duct test"

  • "Infrared thermography"

  • "Infrared camera"

  • "Weatherization"

  • "Energy audit"

Now that you've found a few businesses that have websites and phone numbers and look legit, go ahead and call- most companies are happy to answer questions about their home performance techniques and track record.

Certification is another flag for credibility, though it's not necessary- Corbett, for instance, has no current certifications, though at one time held ten of them. There are training centers around the world for home performance, and one of the best is shown in the video below. There are numerous certifications requiring knowledge of diagnostic tools and home-as-a-system approaches, including:

  • Building Performance Institute (BPI)

  • Home Energy Rating System (HERS) Rater

  • National Comfort Institute (NCI)

  • Comfort Institute (CI)

  • National Renewable Energy Laboratory (NREL)

  • Duct and Envelope Tightness (DET) Verifier

If you want to see what a home performance company's website and approach should look like, use Grace and Corbett's company as an example: