Clean air vents are one of the simplest ways to protect your indoor air quality, keep energy bills in check, and extend the ...

Phoenix Controls helps safely and efficiently manage sterile airflow control and room pressure in clean rooms with its venturi valve technology.

For the past 50 years, engineers have been “designing” duct systems. Quite often, they were not actually designing the systems, but were sizing duct the duct according to some rule of thumb. The rules ...

Trained to identify the varying types of asbestos used in old buildings, Matt Mountain of Mountain Duct Cleaning knows what he’s looking for. Whenever he identifies what he calls “suspect asbestos,” ...