Asking about maintenance schedules helps homeowners plan ahead, especially when aligning HVAC maintenance with ...

When workers from Penn Air, a test and balancing engineering firm founded in 1973, discovered a dirty duct that prevented them from getting an air balance reading, their business model changed forever ...

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,” ...