Moving Ductwork In Attic

It was new when the ac was put in 7 years ago.

Moving ductwork in attic.

Seal supply boxes with mastic. Tips for running ductwork through the attic ideally in a passively vented system the attic is completely sealed from the living space by gypsum board and caulking along all ceiling joints creating an airtight seal. You would or should also weatherize that attic and make it part of the conditioned space. Connect the end of the flex duct onto the circular end of the rigid duct with self tapping duct screws.

I chose unfaced batt type so that it would stay in place. Working on the lake house they want to put a new window between the two win. Going over every inch of ductwork is a laborious process especially when a section of ductwork is in a location that s difficult to reach. The attic ductwork is flex duct work.

Venting an attic is essential for a number of reasons including. Seal the connection with duct tape. This way you could rip out 0r maybe re use that duct in the basement. You might think you have every single hole sealed but even so new leaks can occur without you even knowing about it.

Instead i covered my attic ducts with insulation. Map out the current a c ductwork by going up into the attic or crawl space. Locate the screw sticking up through the ceiling and mark this with tape for reference. Also attic ducts often leak.

Insulate and air seal the floor with open cell foam put ductwork and mechanicals in the attic install a radiant barrier and mastic seal the ducts. I believe that moving ducts out of the hostile temperature environment of the attic is obvious. I vote for the attic. According to nrel researchers david roberts and jon winkler moving the ducts from a vented attic to a new location inside the conditioned space will reduce electricity used for cooling by 15 to 20 and will reduce the size of the needed air conditioning equipment by 0 5 to 1 ton.

While the attic install isn t ideal it beats the problems that come with ducts. Find the ductwork that leads to the a c vent that you wish to move and mark it with colored tape. I called out the original hvac company and they took a look and said they saw no water. Lentz suggested moving the ductwork to one side of the basement which on paper of.

Strap ducts out of insulation with 3 ductstraps per specifications. If so you could put the new system upstairs in a closet and have all the duct work in the 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.