How to hang flex duct in an attic.
Pictures of ways to support ductwork in an attic.
Well mainly it s a way to save space.
Wrap the insulation around the duct and then pinch the seam closed.
Up against the deck may be the worst place in the attic to.
Smooth rigid ducts with tape or mastic around all joints will prevent air leakage.
It was new when the ac was put in 7 years ago.
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.
To install preformed duct insulation start by disconnecting an elbow to expose the end of the duct.
Apply a long strip of foil tape along the seam in the insulation.
An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
Well in the comments dave roberts a senior engineer at the national renewable energy lab nrel wrote about a paper he co authored last year and included a link to it.
Recently i had another hvac company come out and put in a new bathroom vent and they told me they believed the duct work was full of water.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
Foam tubing or fiberglass will work but it s also possible to buy pre insulated 4 duct.
The attic ductwork is flex duct work.
Secure the insulation with short strips of foil tape.
So why put an hvac system up in the attic at all.
I called out the original hvac company and they took a look and said they saw no water.
Repeat to insulate the remaining ducts.