HOFFMAN UNFILTERED
Educational Blog Content for HVAC Professionals

As Canada is facing its record-worst wildfire season, those of us living south of Quebec and Ontario can feel the effects of the smoke on the air...

According to a recent Wall Street Journal article, 93% of the $122 billion funds allocated to K-12 school districts nationwide remains unspent....

The Duct Mounted Auto-Cleaning Needlepoint Bipolar Ionization System (DM-2) is the self-cleaning needlepoint bipolar air ionization system designed...

The American Society of Heating, Refrigerating, and Air-Conditioning Engineers, Inc. (ASHRAE) featured a technical article in their November 2021...