Blowing Air In The Attic

Put it in an attic full of blown insulation.

Blowing air in the attic.

For eco minded homeowners cellulose is often the insulation of choice because it s made from finely. But then you still have a really crappy house. There are three types of blown in insulation. Find a diagram of common air leaks here here s a quick primer on fixing draft prone spots.

Pull back the existing insulation and use expanding spray foam the fire blocking type to seal any. The black pipe insulation should be pulled back around the copper pipe taped well. Pull the existing insulation away from the roof. 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.

It sounds like he already has passive vents. Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic. Blown in insulation in the attic seal attic bypasses. 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.

My opinion is that a duct booster would be so weak that it won t cause problems but will allow the air to move through a bit more. 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. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. Hot air exhaust vents located at the peak of the roof allow hot air to escape.

This light as air insulation is manufactured from glass that is heated to a liquid and then spun. Position the new vent chute so the. 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. Install or repair vent chutes.

Passive ridge ventilation is what i d use. Suck cool air conditioned air into the attic and of course it won t be so hot. The air blowing out the white pvc pipe can be easily cured by installing tape or a pvc cap on the pipe.