IAQ & Ventilation

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NCI CEO Dominick Guarino: Building a Culture of High-Performance HVAC

Dominick Guarino discusses why understanding building science is essential to high-performance HVAC and how contractors can begin applying it.

Oct. 2, 2026

NCI President & CEO Dominick Guarino (far left) leads a panel discussion on HVAC and home performance during the 2026 Summit conference. Panelists From Left to Right: Brian Wright, owner of Crossway Mechanical LLC; Jonathan Esquivel, owner of Austin Star Services LLC; Terry McWilliams, owner and founder of Texcellent A/C Service; and Tim De Stasio of Comfort Science Solutions.

HVAC & Home Performance: Two Sides of the Same Coin

Sept. 29, 2026

Honest Heating & Cooling Inc., located in Marshalltown, Iowa, received the 2026 Contractor of the Year (Under $2 Million) Award from the National Comfort Institute at the annual Summit conference.

NCI Summit 2026 Celebrates HVAC Contractor Excellence in Pigeon Forge

Sept. 25, 2026

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SkillCat Brings Building Science Certification to HVAC Technicians

Sept. 2, 2026

Biological growth in the crawlspace.

Before Blaming the HVAC Equipment, Look for the Real Cause of the Callback

Sept. 1, 2026

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Test, Don’t Guess: How to Build a Better HVAC Business

Aug. 26, 2026

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.

The CODE of Captain CO: Jim Davis

Aug. 4, 2026

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Bipartisan Bill Targets Indoor Air Quality in Federal Buildings

July 30, 2026

Jim Davis performing a combustion test on a Trane furnace.

Remembering Jim Davis: How 'Captain CO' Changed HVAC Combustion Testing Forever

July 7, 2026

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