Meet the Air Doctor
Brynn Cooksey Sr., affectionately known as the “Air Doctor,” is a Detroit native and the Owner of
Air Doctors Heating and Cooling and HVAC U. Brynn earned that nickname for his renowned
engineering solutions in the HVACR and electrical industries. After spending 15 years in the utility gas and power industry, Brynn took over his family’s heating and cooling business and rebranded it “Air Doctors” based on his industry-adopted nickname. The Air Doctors team has repeatedly reduced customers’ utility bills by 50% or more with Brynn’s award-winning building efficiency solutions.
Brynn studied HVACR Technology at Henry Ford College in Dearborn, Michigan, and HVACR
Engineering Technology and Energy Management at Ferris State University. Brynn returned to his alma mater, Henry Ford College, to become a professor and teach the subjects he had learned.
To this day, Brynn continues to train individuals in the industry he loves and has trained over
15,000 HVAC technicians, electricians, and energy auditors. Brynn is also a training consultant for
mechanical contractors, HVACR supply distributors, weatherization agencies, and HVACR training organizations. He is a regular technical contributor for Forbes, the RSES Journal, BPA Journal, and the RSES Webinar Series. Brynn holds several degrees and certifications in the HVACR and building science industries.
In 2025, Brynn was awarded the designation of Certified Master Trainer by the Interstate
Renewable Energy Council (IREC).
In 2024, 2025, and 2026, Brynn was named one of ESCO Institute’s Top 25 Most Influential
HVACR Instructors. The honor was given to instructors who significantly contributed to the HVACR industry.
In 2024, Brynn was named one of the Top 40 Under 40 industry professionals by The Air
Conditioning, Heating, and Refrigeration News.
In 2026, Brynn earned the Midwest Energy Efficiency Alliance (MEEA) Energy Efficiency
Champion Award for leadership and impact in energy efficiency.
In 2026, Brynn was recognized by The Oakland County Executive’s Oakland Together 40 Under
40 program, which honors dynamic leaders under the age of 40 who are making a meaningful
impact in Oakland County and beyond. Now in its fourteenth year, the program spotlights
individuals who live or work in Oakland County and demonstrate leadership, service, and
community influence.
Podcasts
Video
Oakland Together 40 under 40 Class of 2026
EP271 Live from NHPC 2026: Where HVAC, Buildings, and People Intersect With Brynn Cooksey
Duct Diagnostics: Evaluation & Troubleshooting for Real-World Systems
What Winning Contractors Do Differently – Stop Competing on Price and Build Real Trust
How Air Doctors Uses measureQuick Daily – Brynn Cooksy | 2026 HVACR Training Symposium – Part 2
From Handwritten Forms to Half-Percent Callbacks – Brynn Cooksey | 2026 HVACR Training Symposium – Part 1
What is an Energy Audit? | Ask a Contractor with Air Doctors Heating and Cooling
What Is a Heat Pump? | Preparing for a Heat Pump Retrofit | Ask a Contractor
What is the Building Performance Institute (BPI) and What Are Their Most Popular Certifications?
Brynn Cooksey on Building Science & MeasureQuick: How Home Performance Is Changing HVAC
2026 Top 25 Most Influential Instructors/Trainers
Understanding a Home’s Hidden Air Leaks: The Power of Blower Door Testing
Articles
Posted with permission from ACHR News
6 of the Most Common HVAC Installation Mistakes Killing System Performance
Today’s HVACR systems are more advanced than ever, but that doesn’t matter if they aren’t installed correctly. Across the industry, gaps in system design, commissioning, airflow, and more are still rearing their ugly head, impacting contractor credibility, homeowner satisfaction, and the carefully manufactured HVAC system itself.
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Calculating Combustion Air For Fuel-Burning Appliances
With proper design and maintenance, combustion appliances can provide years of reliable service. Combustion is defined as a chemical reaction that causes the rapid oxidation…
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The Nuts and Bolts of Combustion Testing
A look at the basics of combustion and combustion-testing procedures for fuel-burning equipment starts the heating season start-up right. With the heating season quickly approaching, now is a great time to get back to the basics of combustion performance testing
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Overcoming Challenges as a Minority Contractor
The building science industry has reached a tipping point; we need a highly skilled and trained workforce. One way to achieve this is to be open and inclusive to all people, regardless of skin color, religion, or gender.
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Posted with permission from RSES.
Indoor Air Quality for the HVAC Technician
According to the Environmental Protection Agency (EPA), we spend about 90% of our time indoors…
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Posted with permission from RSES.
Indoor air quality for the HVAC technician Part 2
Part 2 continues with CO2, CO, humidity and temperature issues.
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Posted with permission from RSES.
Indoor Air Quality or the HVAC Technician Part 1
This article series discusses some common indoor air quality issues, how to measure them and how to resolve them so customers can enjoy cleaner air.
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Posted with permission from RSES.
Navigating the Heat Pump Jungle
Understanding that heat pumps are one of the only machines in the industry that can deliver more energy than they consume, can clarify the push to this efficient option.
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