Last month, we looked at building pressure essentials to help you understand how they affect HVAC systems and customer comfort. If you remember, the building acts like a duct system and HVAC system ...

Last year, I wrote about five popular ways HVAC professionals across the country correct airflow issues. These corrections are commonly referred to as air upgrades and are basic duct repairs that ...

The Duluth Fire Department's annual fire hydrant testing program begins Monday continues through Oct. 29. The program will include visual inspection, light maintenance, static-pressure testing, and ...