Homeowners know when a duct problem arises. They know when a room is too warm or too cold. But they might misdiagnose the cause. “They are under the assumption that when they get a new a/c system, ...

The Technician's Guide equips practitioners with the knowledge to properly implement all of the measurement procedures required in the HVAC QI Specification. This Guide & Workbook is intended to ...

Q. This week: Is there any way to reline or replace metal heat ducts under a concrete slab floor without tearing up the floor? We had our ducts commercially cleaned five years ago, when we were having ...

Though most entries came with photos, some, thankfully, did not. Cynthia Paetow of Quakertown tells of a Christmas Day years ago when her son, Bram, plopped onto the couch right on top of a glass ...

When you break something, the reflexive response is to search for a roll of duct tape. Up until recently, that was the best option available. As useful as duct tape may be, it's just not strong or ...