HOFFMAN UNFILTERED
Educational Blog Content for HVAC Professionals

Since the advent of COVID-19 in early 2020, parents, administrators, and facilities teams have been more attentive to the indoor air quality in...

According to a recent Wall Street Journal article, 93% of the $122 billion funds allocated to K-12 school districts nationwide remains unspent....

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

Psychrometrics is the study of the thermodynamic properties of air-vapor mixtures, typically focusing on the interrelation among temperature, partial...