Insulating Gas Furnace In Attic

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.

Insulating gas furnace in attic.

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. The main factors that impact the cost are. Spray polyurethane foam spf is a popular insulation product for homes and buildings. Cut two flat sheets of aluminum flashing that are 14 inches long and narrow enough to fit between the ceiling joists around the flue.

I would only do this with a signed contract from the customer stating the installation company is not responsible for leaks. Turn the water heater or furnace off and allow the flue to cool to the touch. 01 15 2011 01 10 am 8. According to home advisor insulating your attic can cost between 1700 to 2100.

Measure the circumference of the flue. The first and possibly most important thing is to make a commitment to yourself to change your hvac filters regularly. How to insulate a metal flue pipe. Whether the home is old or new however anyone considering spray foam insulation would be wise to ask this question.

Time would probly be better spent sealing duct leakage. In my parts you need to build an insulated room for a 90 in an 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. Square footage of your attic.

Would save more money in the long run and help indoor air quality. 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. Contractor or insulation installer s fee. Type and material of your insulation.

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. The total drop in efficiency can be up to 35. Heating cooling a while back i wrote about the incompatibility of putting an atmospheric combustion furnace in a sealed 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.