Corbett Lunsford Archives

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.

No tags found

Tech Tips written:

See all +

What Should My Superheat Be?

The most common—and often most frustrating—questions that trainers and senior techs get asked sound something like this: “What should my ______ be?” or “My _____ is at ______. Does that sound right?” Usually, when the conversation is over, both the senior and junior techs walk away feeling frustrated because the junior tech just wanted […]

This is Not a Soft Start

I used to call PTCR devices a "Soft Start". I was wrong.

3 Ways to Reduce Compression Ratio in a Heat Pump

We’ve talked about compression ratio a lot over the years. Compression ratio is the number you get when you divide the absolute head pressure (PSIG + 14.7) by the absolute suction pressure (PSIG + 14.7). It measures the efficiency of a compressor, and lower numbers indicate that the compressor is moving more refrigerant while consuming […]

The 5 Factors of Ventilation

Podcast guest:

See all +

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 […]