Blowing Air In The Attic

Put it in an attic full of blown insulation.

Blowing air in the attic.

Find a diagram of common air leaks here here s a quick primer on fixing draft prone spots. Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic. Seal air leaks gaps in the attic or between the lower floors and the attic will let heated or cooled air escape to the great unconditioned outdoors making any insulation you add essentially useless. Install or repair vent chutes.

Hot air exhaust vents located at the peak of the roof allow hot air to escape. Passive ridge ventilation is what i d use. For eco minded homeowners cellulose is often the insulation of choice because it s made from finely. The air blowing out the white pvc pipe can be easily cured by installing tape or a pvc cap on the pipe.

The black pipe insulation should be pulled back around the copper pipe taped well. Pull back the existing insulation and use expanding spray foam the fire blocking type to seal any. Pull the existing insulation away from the roof. However with that understanding that creating negative pressure in the attic can cause all kinds of problems sucking out air from the conditioned space possible back drafting of combustion appliances etc he has come up with the idea to blow air into the attic instead i e creating positive pressure to force the hot air out.

Suck cool air conditioned air into the attic and of course it won t be so hot. If the air you blow into the attic can t escape easily it will force air from the attic down walls cracks etc into the home. There are three types of blown in insulation. It sounds like he already has passive vents.

The cause of those rooms being warmer than the rest of the house is not uncommon especially if they are the most distant from the air handler. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. The number one prep step. Attics and heat the condenser in your air conditioner works hard to get rid of heat and pressurize refrigerant for the return trip through your house.

Blown in insulation in the attic seal attic bypasses. Position the new vent chute so the. It ll also help reduce up down imbalance by counteracting reverse stack.