Duct Work For Attic Furnaces

Attic furnaces take advantage of the closer proximity to use shorter lengths of air duct.

Duct work for attic furnaces.

The master flow 4 in. It will not require long lengths of pipe to deliver heat to the rooms as a basement furnace does. I called out the original hvac company and they took a look and said they saw no water. If it is not sealed properly then you are heating and cooling your crawlspace and or attic.

Duct boosters efficiently improve air movement throughout your house which means your system can more quickly cool down or heat your home. The duct has r6 insulation which contains 33 more insulation than the standard r4 2 product. These devices are connected to ducts that deliver heated air to registers throughout the house. In addition its flexibility allows for easier installation in hard to reach areas.

Air ducts lose a fair amount of heat through leakage so shorter lengths are more efficient. An attic furnace is closer to the upper stories of a multi level home. Booster fans and accessories and whole house humidifiers can help make your existing ductwork system more economical. Most older homes have anywhere from 10 leakage clear on up to 35 40 leakage through ductwork.

Throw duct leakage into the mix and the problems are even worse. It was new when the ac was put in 7 years ago. Flexible duct can be installed in place of galvanized pipe in many applications if allowed by your local hvac codes. With hundreds of square feet of ductwork surface area in the attic and a δt of 75 f the air coming out of the vents in your home will be significantly higher than 55 f.

The duct insulation should include a vapor barrier cover. This additional insulation provides greater thermal efficiency to save energy. Install ductwork so that it is in direct contact with i e laying on the ceiling and or truss lower cords. Different types of furnaces are manufactured to burn a variety of fuels including natural gas propane oil and firewood.

If you have leaky ductwork in your home or office then you are losing heat or cooling from your furnace or fan coil through the sides of it. In last week s blog i discussed the practice of burying attic ducts in deep insulation since burying ducts is simply one of several ways to address the energy waste associated with the decision to locate ducts in a vented unconditioned attic it s worth taking a fresh look at all of the possible solutions to the attic duct problem. Insulated flexible duct r6 silver jacket is used in standard heating and air conditioning hvac systems and some venting applications. Recently i had another hvac company come out and put in a new bathroom vent and they told me they believed the duct work was full of water.

The attic ductwork is flex duct work.