Do I Need To Insulate Cold Air Return In Attic

The primary reason to insulate any part of the home is to provide a thermal barrier between conditioned heated or cooled interior space and the.

Do i need to insulate cold air return in attic.

Prevention and treatment of condensation on ductwork. Exhaust air ducts normally do not need insulation. The insulation will keep the naturally hot or cold air in the garage and the artificially warmed or cooled air in the room above it. Does a garage attic need to be insulated.

2d extend insulation into joist space to reduce air flows. If the supply ducts are in the floor then the return air should be located up high. The return air vent openings need to be on the opposite side of the room so the conditioned air is pulled across the room. Due to your attic s location at the top of your house it can be a major location for energy loss especially if you lack sufficient insulation.

Return air ducts only need to be insulated if they pass through environments that adversely affect the return air temperature. Homeowners also should insulate a garage completely including in the attic above it. Supply air ducts may be left un insulated if they run exposed through the space being conditioned. Like we addressed in the previous section there are really only two causes of condensation on.

If someone spends a lot of time in the garage insulating it may improve their comfort even if it doesn t lower any bills. Tell me how to get a fair price. Whether using loose fill or batts put the vapor barrier closest to the warm side of your installation where hot moist air would get in facing the house s interior in cold climates beneath floor insulation and the attic s interior in hot climates on top of floor insulation. In finished attic rooms with or without dormer insulate 2a between the studs of knee walls 2b between the studs and rafters of exterior walls and roof 2c and ceilings with cold spaces above.

If the supply ducts are high or in the ceiling then the return air ducts or grills should be low on. This pulls the air across your body. This arrangement also reduces system first cost.