Do I Need To Insulate Cold Air Return In Attic

If the supply ducts are in the floor then the return air should be located up high.

Do i need to insulate cold air return in attic. Does a garage attic need to be insulated. If the supply ducts are high or in the ceiling then the return air ducts or grills should be low on. This arrangement also reduces system first cost. Homeowners also should insulate a garage completely including in the attic above it.

Prevention and treatment of condensation on ductwork. Like we addressed in the previous section there are really only two causes of condensation on. Return air ducts only need to be insulated if they pass through environments that adversely affect the return air temperature. The exfiltration of warm interior air through your attic and the infiltration of cold outside air through your basement or crawl space could be to blame.

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. 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. Fortunately unlike some of the other hvac problems we ve addressed like. The return air vent openings need to be on the opposite side of the room so the conditioned air is pulled across the room.

Exhaust air ducts normally do not need insulation. 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. Tell me how to get a fair price. 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.

This pulls the air across your body. Supply air ducts may be left un insulated if they run exposed through the space being conditioned. 2d extend insulation into joist space to reduce air flows.