Corbett Lunsford

Corbett Lunsford is an expert in home performance diagnostics, specializing in building science, ventilation design, and advanced home testing, with extensive experience in optimizing the invisible dynamics of home environments—including physics, chemistry, and microbiology—and applying this knowledge to projects like high-performance homes and educational content, with a focus in the session on designing ventilation systems that incorporate circulation, filtration, humidity control, dilution, and pressure relief.

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Why the New Guy Gets Fewer Callbacks

I was going through a recorded service meeting with the Kalos techs, and Bert shared something that has been rattling around in my head ever since. His team went digging through their callback data looking for patterns, and after stepping back and looking at it, one showed up that nobody expected: The newer techs were […]

Why is 240V called “Single-Phase”?

Why is it called single-phase 240 when there are two opposing phases (or legs)? I wondered why we called two 120v opposing legs “single-phase 240” for years. Then someone pointed out to me that a typical “single-phase” pole transformer only has one power leg entering and two coming out. That freaked me out. How can […]

Flowing Nitrogen? Make Sure You Purged First

Flowing nitrogen while brazing does not mean the air was cleared first. Learn how to purge large ACR piping, choose a practical regulator setup, and estimate time and cylinder use.

The 5 Factors of Ventilation

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Making of a TV Show About Home Performance (Podcast)

In today’s podcast, I talk with Corbett Lunsford about his new show about home performance and diagnosis. Home Diagnosis airs on PBS in winter 2018. Even though Home Diagnosis mostly deals with building performance, HVAC work is a large component of overall home performance. Corbett Lunsford used to be a pianist before becoming a building performance expert. He […]

Blower Door Testing, Building Performance & More w/ Corbett Lunsford (Podcast)

In this podcast episode, Bryan talks to Corbett Lunsford about blower door testing and the coming building performance revolution. Building performance and HVAC have been becoming much more closely linked lately. So, it’s a good idea for HVAC techs to learn a bit about building performance. In the HVAC world, we often see homes with […]