HOFFMAN UNFILTERED
Educational Blog Content for HVAC Professionals

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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The Risk of Airborne Virus Transmission in Buildings

As of today, COVID-19 has claimed over 374,000 lives worldwide with over 6 million confirmed cases but, according to a recent New York Times article,...

Jun / 1
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