Pictures Of Ways To Support Ductwork In An Attic

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.

Pictures of ways to support ductwork in an attic.

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. Up against the deck may be the worst place in the attic to. Wrap the insulation around the duct and then pinch the seam closed. Always insulate the duct to prevent condensation problems as the warm air will be potentially running through cold ductwork.

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. Apply a long strip of foil tape along the seam in the insulation. 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. It was new when the ac was put in 7 years ago.

Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts. I called out the original hvac company and they took a look and said they saw no water. An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan. The attic ductwork is flex duct work.

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. Secure the insulation with short strips of foil tape. Smooth rigid ducts with tape or mastic around all joints will prevent air leakage.

Attic hvac systems save space. Repeat to insulate the remaining ducts.