HVAC Systems, Ventilation, Filtration and COVID-19

As we approach two years of dealing with travel restrictions, shutdowns, zoom meetings, health concerns, masks, sickness, deaths, etc., it is an appropriate time to look closely at the buildings we live in and how building design, building codes, and specifically HVAC...

Foil-Faced Bubble Wrap Duct “Insulation”

As we continue to see ‘foil bubble insulation’ used incorrectly as duct insulation, it is time to separate the facts from the fiction.  This is a critical issue as the improper installation of these products often increases the heat loss or gain by a factor of four,...