Moving Hvac Ducts In Attic

Strap the flex duct to the attic framing at 4 foot.

Moving hvac ducts in attic. It s best to go with an hvac company whose technicians have plenty of experience providing service to homes in florida. Draw a floor plan of your home including the location of the hvac air handling unit the existing ducts sprouting from it and the room or rooms in your basement where you would like to place new. When you put the ducts in an unconditioned attic and have the minimum insulation allowed you want to move the air at a higher velocity pushing it up near the maximum recommended by acca manual d 900 feet per minute fpm for supply ducts and 700 fpm for return ducts. Ted has more than a few cobwebs in his attic.

While the attic install isn t ideal it beats the problems that come with ducts. Hire a professional to relocate your air handler. Strap ducts out of insulation with 3 ductstraps per specifications. I believe that moving ducts out of the hostile temperature environment of the attic is obvious.

Connect the end of the flex duct onto the circular end of the rigid duct with self tapping duct screws. Seal the connection with duct tape. 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. So why put an hvac system up in the attic at all.

Instead i covered my attic ducts with insulation. An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan. Seal supply boxes with mastic. The 1 800 square foot brick ranch in climate zone 4 dates from the 1960s but the previous owner installed both a furnace and ductwork in the attic just four years ago.

I chose unfaced batt type so that it would stay in place. Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts. Attic hvac systems save space. The unconditioned space also houses his hvac system.

However unless you have new construction is highly doubtful that you can find an alternative. 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. Well mainly it s a way to save space. Relocating an air handler from your attic is not a job for beginners.