Insulating Metal Ac Ducts

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Insulating metal ac ducts.

So water is condensing on your ac ducts. The existing metal ductwork in an older home may or may not have insulation. Why is this a problem. Unblock any ducts that are.

Youtube insulating attic ductwork. Repeat to insulate the remaining ducts. Other times insulation may be on the outside. You can cover metal ductwork with blown in insulation if you take two steps first.

Secure the insulation with short strips of foil tape. You can go for a dehumidifier if that helps to reduce the condensation. First water dripping off of your ducts and onto your insulation can cause the insulation to compress which decreases it s r value or ability to insulate. Made from 1 to 2 inch thick sheets of rigid glass fiber and coated with an aluminum laminate for a moisture air barrier duct board comes in sections that fit together like metal ducts.

Sealing and insulating your duct work can improve the efficiency of your heating and cooling system by as much as 20 percent according to the u s. Try to reduce the humidity level in the air near the air ducts. Wrap the insulation around the duct and then pinch the seam closed. Sometimes the insulation is inside the ductwork.

Proper duct insulation is a major key to ensuring your home s energy efficiency. R 6 insulated duct wrap inswrp60 the home depot. Metal sheet duct work is a recommendable material for insulation purposes and is often sealed using duct tape to help stop the heat and air conditioning from flowing outside. Duct board s advantage is that it is already insulated eliminating the need for further work as long as it is structurally sound.

Because the moving air is in the ductwork for only a. Close to 25 of the energy you use to heat and cool your home disappears through leaky ductwork. When water condenses and drips into your attic or home it can cause a some serious secondary problems. In case you have metal ducts make sure they are appropriately wrapped with fiberglass insulation.

Instead of metal choose fiberglass or other insulating materials for your ductwork. The department of energy claims that the average us home loses hundreds of dollars a year in heating and cooling costs. Therefore before beginning your project use a measurement tape to get your dimensions straight and clear so your purchase is accurate. Apply a long strip of foil tape along the seam in the insulation.

Why is condensation on ductwork a problem. To install preformed duct insulation start by disconnecting an elbow to expose the end of the duct.