Sealing ducts is now recognized as being very important. In fact California, always a bell-weather state, is now requiring duct testing and sealing on most change-outs and new construction. Building ...

Installing top flight heating and cooling equipment can lead to an energy-efficient house, but even the most efficient equipment won't work properly if the ducts that carry the heated and cooled air ...

It's far from glamorous and there's no flashy end result, but there is a sense of accomplishment when your heating and air conditioning bills improve, the furnace and air conditioner work more ...

It might seem that things are in better shape with a new duct system than with an existing one. After all, in a new building there is still freedom to design and build the system “from the ground up.” ...

Ducts are made of segments of sheet metal, or combinations of sheet metal, duct board and flex duct. Between the sections and at the elbows there are joints which are simply bent, crimped, or screwed ...

Q • We had our air ducts tested by Laclede Gas. They failed with a 73 percent leakage. Their contractor is willing to fix the leaks for $1,000. The Earth Ways Center recommends sealing the ducts with ...