Bathroom exhaust fans are the most common way to properly ventilate and control moisture in residential bathrooms. Along with providing effective ventilation, bath fans with a ceiling radiation damper ...

ANAHEIM, Calif. - You might be wondering, "What could possibly be new in the area of grilles, registers, and diffusers?" If you attended the 2004 International Air ...

Question:We have seven-inch round ducts in the ceiling of our house, for heating and air conditioning. In a little-used room, we’ve never bothered to find ceiling diffusers for them. Now that we’d ...