Ducts In Attic Insulation

If the ducts in your home are in unconditioned space seal and insulate them.

Ducts in attic insulation.

Looking at the cooling side only the additional load would be. They are the sheet metal or fiberglass conduits you find in your basement and attic. Or excess flex duct. Install ductwork so that it is in direct contact with i e laying on the ceiling and or truss lower cords.

Today s flexible ductwork is covered with a shiny metallic cover this is its vapor barrier. If you re building a new house place ducts in the conditioned space to avoid the energy losses associated with most duct systems. Most attic ducts are insulated flex ducts that is flex ducts with r 6 or r 8 fiberglass insulation along with an exterior polyethylene jacket. Covering ductwork with insulation.

Although both the attic floor and the ductwork are insulated ted recognizes the situation isn t ideal. Press a continuous strip of foil tape to all longitudinal seams along straight runs of duct. According to rightsuite the software we use the supply ducts have about 560 square feet of surface area and the return ducts 101 square feet. If your attic has enough insulation and proper air sealing and your home still feels drafty and cold in the.

Hvac ductwork is typically visible in your attic especially flexible ductwork. The shiny vapor barrier will protect the ductwork from sweating as long as it s exposed to the surrounding air. Is it ok to do it. Summer hasn t even arrived he notes in a post at gba s q a forum and when the temperature outside climbs to more than 95 f the temperature in the attic tops 120 f.

Ductwork is the system of ducts and pipes that circulate heated or cooled air throughout your house. Purchase duct wrap insulation that complies with the 2009 international energy conservation code iecc standards that specify an r value of 8 for attic ducts and 6 for ducts located anywhere else. R 8 duct insulation 5 227 btu hour. All the ducts are in the attic.

What is the crawl space a crawl space is usually found under your house. Disconnected or leaking ducts. Check the speed of the blower motor on the furnace. Use a paintbrush to apply duct mastic to the joints where an elbow.

If necessary switch the wires to reduce the blower to its lowest. Before adding blown insulation inspect and test the ducts for missing or torn duct insulation.