Duct Work Runs Through Attic

You want to insulate the duct work very very well.

Duct work runs through attic.

Venting an attic is essential for a number of reasons including. It only takes a little bit of heat in your attic to cause ice damning which can result in a lot of water damage. Some homeowners never have to deal with ductwork as it runs through the ceiling covered from sight. If you are using that insulated flex ducting i would still go ahead and throw more insulation on top.

Turbine vents usually depressurize the attic sufficiently to pull conditioned air up through the air leaky ceiling into the attic which increases the cooling energy use. Looking at the ducts isn t. Duct work runs through many of the areas of a house such as unconditioned air spaces in the attic basement crawlspace or even outside the house. Be extra careful about air intrusion around where the ductwork goes through the ceiling.

With hundreds of square feet of ductwork surface area in the attic and a δt of 75 f the air coming out of the vents in your home will be significantly higher than 55 f. Ductwork for your heating and air conditioning system is necessary. Throw duct leakage into the mix and the problems are even worse. According to nrel researchers david roberts and jon winkler moving the ducts from a vented attic to a new location inside the conditioned space will reduce electricity used for cooling by 15 to 20 and will reduce the size of the needed air conditioning equipment by 0 5 to 1 ton.