HOFFMAN UNFILTERED
Educational Blog Content for HVAC Professionals

Maintain Healthy Indoor Air Quality at School with Proper Ventilation

The return to school each fall is an exciting time, but it can also be a challenge for school administrators and facilities managers. After a long...

Aug / 24
READ MORE

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