Ducting To Attic Helps

Up against the deck may be the worst place in the attic to.

Ducting to attic helps.

This article describes routing bath exhaust fan duct upwards through an attic or roof space or downwards through a floor or crawl space. Bathroom ventilation fan duct routing routing a bath vent duct down out or up through an attic or roof out. There will be a lower cost for parts. The shiny vapor barrier will protect the ductwork from sweating as long as it s exposed to the surrounding air.

Hvac ductwork is typically visible in your attic especially flexible ductwork. Keep ducts spaced apart so air can flow between them. Broken or cracked ducts in oyur attic coulld cause mold growth by checking your ducting frequently you could preven the start of mold growth. When your system itself is in the attic however you don t have to worry about this because your ducts won t have to run all across the attic.

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. Remember that article i wrote about ducts installed against the roof deck and how i said it was probably the absolute worst single location for installing ducts. If they are located in your attic be sure the area is properly insulated and any cracks or holes are sealed. Your attic is the most susceptible room in the house for this.

Since you ll be using less material shorter ducts won t cost you as much as longer ones. In all cases the ducting needs to conduct the exchaust to the building exterior and needs to terminate in an animal proof vent cover. Lowering the temperature of an attic that contains ducts can reduce your air conditioning costs. If ducts are located in a crawlspace underneath your house cover the soil to reduce moisture.

Today s flexible ductwork is covered with a shiny metallic cover this is its vapor barrier. If the home doesn t have ducts there still may be reasons a homeowner would want to reduce the attic temperature.