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
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Protect Indoor Air Quality from Wildfire Smoke with NPBI™ Technology

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...

Jun / 21
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Product spotlight: DM-2™ from global plasma solutions

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

Feb / 16
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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
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