HOFFMAN UNFILTERED
Educational Blog Content for HVAC Professionals

DuctSox Corporation is a manufacturer of custom-engineered commercial and industrial air dispersion products for open ceiling architecture, critical...

What Are Flow Control Valves?

A company’s employee stock ownership plan, or ESOP, provides its employees with an ownership interest in the company. Check out our top 5 reasons why...

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