Sitting in an office, or in their own homes, many people don’t notice their building’s ductwork unless there is something wrong with it — it’s too noisy or the air in the room is too cold or too hot.

HVAC uses of flexible air duct have grown exponentially over the last two decades, all over North America. Contractors and installers say they like it, and some find it indispensable. It has changed ...

Morgan Thermal Ceramics worked closely with UL (Underwriter’s Laboratories Inc.) to certify a new installation method for grease duct enclosures used in commercial construction. The new system, an ...

Dear Jim: After the heat wave we have had recently, I think we need to add central air-conditioning. We have electric baseboard heating, so there are no ducts. What are the simplest central system ...

We asked HVAC professionals how often you should clean your air ducts. They gave us the details on cleaning frequency, ...

Morgan Thermal Ceramics worked with UL Underwriter’s Laboratories Inc. to certify a new installation method for grease duct enclosures used in commercial construction. The new system, an update to the ...