IAQ & Ventilation

Jim loved to challenge his students to question what they had been taught and prove it with data. One of his most controversial topics was draft hoods on atmospheric equipment.
From pioneering combustion testing to mentoring generations of technicians, learn why Jim Davis' impact on HVAC safety will be felt for decades to come.
Aug. 4, 2026
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National Comfort Institute
Jim Davis performing a combustion test on a Trane furnace.
July 7, 2026
Rensa Filtration
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HVAC Chats
April 22, 2026
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