ORLANDO, Fla. — In the new home construction and retrofit markets, tighter building codes and the desire to become more energy efficient is driving innovation in the HVAC ductwork and sheet metal ...

Q. The duct for my bathroom exhaust fan runs along the attic floor, then rises abruptly to go through a vent in the wall. I have noticed that water vapor condenses inside the duct and the water ...

New insulated duct sleeves come in two sizes and new duct wrap insulation comes in 60-square-foot sheets. These products are designed for use in both new and existing ductwork. The duct sleeves are ...

When fire department personnel respond to a commercial kitchen range hood fire with fire possibly extending into the exhaust duct above in a high-rise building, the two primary considerations that ...