IAQ & Ventilation

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Study Links Indoor Air Pollution to Changes in Cognitive Performance

A controlled study of 90 adults linked short-term indoor PM2.5 exposure to poorer attention and memory performance and lower heart rate variability.

Oct. 22, 2026

Our industry has changed more quickly than we can change ourselves. And unless we break old habits, we will drive away the future of HVAC.

“That’s How HVAC Is Done:” Why It’s Time to Rethink Industry Norms

Oct. 20, 2026

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Best Practices for Humidity Control in Senior Living Facilities

Oct. 12, 2026

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

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

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