Insulating Heat Ducts In Attic

Hvac parts accessories.

Insulating heat ducts in attic.

Unitherm univest insulation jacket high temperature 25 in. Insulation blocks the movement of heat but it can t stop air leaks. Proper duct insulation is a major key to ensuring your home s energy efficiency. The department of energy claims that the average us home loses hundreds of dollars a year in heating and cooling costs.

Dia x 5 ft. Use the type of metallic foil duct tape recommended by the insulation manufacturer to seal and hold the insulation in place. Master flow 14 in. Length ductwork insulation sleeve r 8.

When insulating hvac ductwork use a foil faced fiberglass insulation with an r 6 or higher r value. Close to 25 of the energy you use to heat and cool your home disappears through leaky ductwork. Do you really want to be breathing the air from those spaces 24 7. Apply a long strip of foil tape along the seam in the insulation.

L x 16 in. Ted also has inherited a powered attic ventilator. To install preformed duct insulation start by disconnecting an elbow to expose the end of the duct. Model f8ds14 27 86.

Purchase duct wrap insulation that complies with the 2009 international energy conservation code iecc standards that specify an r value of 8 for attic ducts and 6 for ducts located anywhere else. Although both the attic floor and the ductwork are insulated ted recognizes the situation isn t ideal. Repeat to insulate the remaining ducts. But our erv ducts stand alone system not tied in w heat pump and 2 jumper ducts for pressure balancing from bedrooms are suspended above the insulation in our vented attic.

Remember a lot of your ductwork is either in your crawlspace or your attic. The greater the temperature extreme between the air inside the duct and the air surrounding the ductwork the greater your need for duct insulation. Unfortunately so many houses especially newer homes end up with ductwork running through the attic. Secure the insulation with short strips of foil tape.

Anyway the point of all this is to highlight the fact that you ve got to seal the leaks before you insulate the ducts. Wrap the insulation around the duct and then pinch the seam closed. Heating venting cooling.