IAQ & Ventilation

Content on changing or replacing air in building spaces to control temperature, remove contaminants, and maintain acceptable indoor-air quality.



Calendar of HVACR Training and Education Events

Sept. 19, 2023
Our latest list of upcoming industry education and training events, ideal for your 2023-2024 planning.
Bradford White Corp.
Electriflex Series Commercial Electric Water Heaters

New HVACR Products: September 2023

Sept. 19, 2023
GALLERY: This month highlights water heaters, IAQ equipment, unitary equipment, plumbing and piping, and more.
Group Of Students Windows Open I Stock 1202306181 Web

CDC: Fewer Than Half of U.S. Schools Have Improved Ventilation

Sept. 13, 2023
New research shows that most K-12 schools have not yet used federal pandemic relief earmarked for IAQ upgrades. But it's not too late to act.
Hurricane Louvers

New HVACR Products: August 2023

Aug. 22, 2023
This month's product gallery features pumps and circulators, ductless products, dampers and louvers, pipe and duct sealant, and more.
Johns Hopkins Bloomberg School of Public Health

Model State Indoor Air Quality Act Proposed

Aug. 22, 2023
Johns Hopkins researchers are urging states to create legislation aimed at improving IAQ in public spaces—and offering them the tools to do so.


Download "Refrigerants Revolution 2024"

Dec. 18, 2023
Our industry's accelerated transition to low-GWP refrigerants is kicking into high gear. Get the latest guidance for staying in compliance.
UV Resources
Syracuse Hancock International Airport

Airport Observation Leads to Church IAQ Improvement

July 10, 2023
CASE STUDY: Anxious to reconvene safely after the pandemic, a California church chanced upon UV-C technology that has since helped it to reach its goal.
Pacific Northwest National Laboratory
Ventiliation3 1600x1200

LETTER: New Ventilation Guidelines Neglect Geometry

June 28, 2023
A member of our Editorial Advisory Board suggests one logical way to improve on the new CDC recommendations for occupied spaces.
Bell & Gossett/Xylem
Series e-90E Smart Pump

New HVACR Products: May 2023

May 19, 2023
GALLERY: This month, we highlight boilers, pipe and fittings, sensors and alarms, pumps and circulators, and more.
Cdc Logo

CDC Updates Key Recommendations for Ventilation in Buildings

May 16, 2023
Are we on the verge of an "IAQ revolution"? One prominent expert thinks so, now that CDC and ASHRAE have both issued important new strategies for healthier buildings.