by Chuck Allen | Jan 23, 2026 | Blog
ASHRAE 62.1 is the industry standard for ventilation in commercial and industrial buildings. Its full title is “Ventilation for Acceptable Indoor Air Quality.” Compliance ensures that indoor air is safe, comfortable, and free from harmful contaminants, while balancing...
by Chuck Allen | Jan 23, 2026 | Blog
Technical Quick-Reference Is ASHRAE 90.1-2022 mandatory? It is mandatory only if adopted by your local jurisdiction; check the local adoption date as some states lag behind the latest version. What is the new TSPR path? The Total System Performance Ratio (TSPR) is a...
