Insulating Attic Hvac Ducts

When hvac ducts are installed in a vented attic in a dry climate bury the ducts in attic insulation to protect them from temperature extremes in the unconditioned attic space.

Insulating attic hvac ducts.

When insulating hvac ductwork use a foil faced fiberglass insulation with an r 6 or higher r value. If necessary switch the wires to reduce the blower to its lowest speed. According to the u s. Department of energy attic insulation improvements combined with air sealing and proper hvac maintenance can cut your heating and cooling energy use by 20 to 50.

Read this before you start thinking about adding insulation to your attic. 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. Press a continuous strip of foil tape to all longitudinal seams along straight runs of duct. Air duct cleaning los angeles is here to provide you with residential commercial air duct and hvac system cleaning services attic cleaning and insulation removal and replacement.

Use metal flex or fiber board ducts that are insulated to code. For an added layer of protection you can apply duct mastic to the tape and duct. The duct insulation should include a vapor barrier cover. Call our office today for more information.

Don t use standard cloth duct tape on hvac ductwork since the adhesive won t hold up to extreme temperatures. In this video this old house plumbing and heating expert richard trethewey helps a homeowner insulate his ductwork.