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 ...
It can be confusing when you go to cut in a new diffuser for an HVAC system. What size ceiling box do you use? What size grille do you use? What size should the hole be? How do you connect the sheet ...
ORLANDO, Fla. - The world of grilles, registers, and diffusers has changed remarkably in the last few years. This was very evident at the 2005 International Air-Conditioning, Heating, Refrigerating ...