Insulating Gas Furnace In Attic

That means you have higher energy costs and less efficiency since you re blowing the air down instead of allowing it to rise naturally.

Insulating gas furnace in attic.

Cut two flat sheets of aluminum flashing that are 14 inches long and narrow enough to fit between the ceiling joists around the flue. The main factors that impact the cost are. U can use duct wrap insulation r8 and wrap the case coil and sides and back of furnace but do not wrap the front of the furnace so it can be got to to service. Most often the attic is sealed by installing spray foam insulation at the roofline thus bringing the attic inside the building enclosure and turning it into conditioned space directly or indirectly.

If you place the furnace in the attic then you must install the infrastructure in the building to force the warm air to the bottom floor. The total drop in efficiency can be up to 35. Whether the home is old or new however anyone considering spray foam insulation would be wise to ask this question. In my parts you need to build an insulated room for a 90 in an attic.

Square footage of your attic. Having your hvac system in your attic isn t dire though you ll need to do some work to keep your air conditioner or furnace system running as efficiently as possible. Sealed combustion appliances fueled with natural gas cost less to operate than electric ones. Especially for roofs and attics.

Also put the furnace on a box with a secondary drain pan beneath a wet switch and an e z trap. Spray polyurethane foam spf is a popular insulation product for homes and buildings. Type and material of your insulation. I would only do this with a signed contract from the customer stating the installation company is not responsible for leaks.

If the atmospheric combustion appliances start off in a vented attic the building code doesn t require those vents because the appliances are already connected to the outside and should get plenty of air. Would save more money in the long run and help indoor air quality. 01 15 2011 01 10 am 8. Time would probly be better spent sealing duct leakage.

How to insulate a metal flue pipe. According to home advisor insulating your attic can cost between 1700 to 2100. Measure the circumference of the flue. Heating cooling a while back i wrote about the incompatibility of putting an atmospheric combustion furnace in a sealed attic.