Do I Need To Insukate Cold Air Return In Attic

Plan to pull up the flooring and layer new insulation on top of the old.

Do i need to insukate cold air return in attic.

At first it seems odd to add insulation for warmth and then purposely create ventilation holes for cold air to enter. Stop using your attic for storage. Because the simplest and cheapest way to insulate an attic is to add material to the floor. However air can only hold a limited amount of water.

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. Likewise when the air is only holding half of the water that it can hold then the humidity level is 50. The remaining 2 tons of capacity is at least 1 5x oversized for the actual 1 load. First building codes in many areas require that the cold air return line gets external insulation and therefore you will need to leave a gap for the insulation around the duct return line.

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. But if the floor is covered in plywood you can t stuff enough insulation beneath it to do the job sufficiently not even in warm climates. Homeowners also should insulate a garage completely including in the attic above it. Now that we know what humidity is we can talk about the dew point.

When you add insulation to attic rafters and attic floors it s important to maintain at least a 1 in. 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. Continuous air space between. But if you don t do this you re setting yourself up for moisture problems.

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. When the air is holding as much water as it can possibly hold the humidity level is said to be 100. If someone spends a lot of time in the garage insulating it may improve their comfort even if it doesn t lower any bills.