HOFFMAN UNFILTERED
Educational Blog Content for HVAC Professionals

ASHRAE's Manual to bipolar ionization for hvac engineers

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

Nov / 19
READ MORE

How to Reduce Airborne Illnesses Using these Two Things

Think of how often you spend inside on a typical day, the amount of indoor air you are breathing in every minute. According to the United States EPA,...

May / 28
READ MORE