Duct Work Runs Through Attic

We re talking 20 feet max through the floors into the attic and another 20 feet across the attic into the bed room.

Duct work runs through attic.

It was new when the ac was put in 7 years ago. Always insulate the duct to prevent condensation problems as the warm air will be potentially running through cold ductwork. Can i put a vent in the ceiling of the bedroom or must it be in the wall baseboard. Can i run a new duct from the basement up the cavity into and across the attic and down through the ceiling of this room.

It s done this way because it s easier and cheaper to run a flex duct through a wide open space than to fit it through and around floor and wall framing. Smooth rigid ducts with tape or mastic around all joints will prevent air leakage. Don t let a contractor talk you into it. Foam tubing or fiberglass will work but it s also possible to buy pre insulated 4 duct.

The attic ductwork is flex duct work. Install dampers at the registers to adjust airflow. Doing so would fill your attic with warm moist air that could rot the. Unfortunately this practice is all too common in our northern cold climate putting air conditioning ducts in the hottest.

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. Adding heat runs in a basement may change the airflow in the ductwork going to other rooms. In last week s blog i discussed the practice of burying attic ducts in deep insulation since burying ducts is simply one of several ways to address the energy waste associated with the decision to locate ducts in a vented unconditioned attic it s worth taking a fresh look at all of the possible solutions to the attic duct problem. In my experience heating ducts that run through attics cause serious problems in snow country.

I called out the original hvac company and they took a look and said they saw no water. Each register should have its own damper that can be accessed for adjustment. If those dampers can t be accessed from below you ll want to install them close enough to the register so that you can reach them through the register opening. It also makes maintenance and or modification easier.