Moving Attic Ac Duct

To prevent problems use saddles or straps to support at regular intervals 4c 4d follow the manufacturer s instructions but in case they get lost here is a list of best practices for.

Moving attic ac duct.

Strap the flex duct to the attic framing at 4 foot. Seal the connection with duct tape. However unless you have new construction is highly doubtful that you can find an alternative. Hvac industry insiders follow the protocol of placing air handlers and ductwork whenever possible in cooler locations because this lets the air handler actually cool itself down which lowers its operating costs.

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. Find the ductwork that leads to the a c vent that you wish to move and mark it with colored tape. Then install the new duct photo 2. Well mainly it s a way to save space.

An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan. The remaining 2 tons of capacity is at least 1 5x oversized for the actual 1 load. Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts. Seal all the joints with aluminum duct tape or duct sealing caulk.

Connect the end of the flex duct onto the circular end of the rigid duct with self tapping duct screws. Mike macfarland s duct sizing tool. I believe that moving ducts out of the hostile temperature environment of the attic is obvious. 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.

Instead i covered my attic ducts with insulation. So why put an hvac system up in the attic at all. Sometimes the best route for a flexible duct run is up and over an obstruction. Locate the screw sticking up through the ceiling and mark this with tape for reference.

I chose unfaced batt type so that it would stay in place. But without proper support ducts can develops sags or kinks that reduce airflow 4a 4b. Map out the current a c ductwork by going up into the attic or crawl space. Required tools for this project.

To disassemble a duct joint remove the drive couplers photo 1. Also attic ducts often leak. Keeping your air handler in a hot florida attic is like throwing money out the window.