Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
Pictures of ways to support ductwork in an attic.
The attic ductwork is flex duct work.
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.
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.
So why put an hvac system up in the attic at all.
To install preformed duct insulation start by disconnecting an elbow to expose the end of the duct.
Foam tubing or fiberglass will work but it s also possible to buy pre insulated 4 duct.
Repeat to insulate the remaining ducts.
Flex duct requires the correct support to ensure it does not restrict air as it flows from the air conditioning unit to the registers distributing air throughout.
An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
Up against the deck may be the worst place in the attic to.
Secure the insulation with short strips of foil tape.
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.
Always insulate the duct to prevent condensation problems as the warm air will be potentially running through cold ductwork.
Well mainly it s a way to save space.
How to hang flex duct in an attic.
Attic hvac systems save space.
Wrap the insulation around the duct and then pinch the seam closed.
It was new when the ac was put in 7 years ago.