How To Replace Air Ducts In Attic

The average cost to replace hvac ductwork is around 285 per duct run and is based on the number of hvac duct runs to be replaced length of each run type and size of the replacement ductwork.

How to replace air ducts in attic.

Cost to replace ductwork in an attic the price to replace ductwork in an attic ranges from 500 to 2 000 depending on the size of the home and your existing system. 4 schedule a duct blower test with an hvac contractor. Attach a second air duct to the first by peeling back the insulation. When choosing a company to do the work this is not a place to cut corners.

Remove existing ductwork where needed. The work area is a tight confined space and it can be filled with fiberglass materials. In addition to comparing ducts in the attic to ducts inside the building envelope roberts and winkler also looked at electricity savings of other measures such as adding insulation installing better windows and using higher efficiency air conditioners. Run the new flexible air duct under the house from the floor return to the underside of the air handler and attach to the metal vent box or plenum image 1.

Attic temperatures can be about 130 degrees. Temperature variations in air flow may be caused by air leaks in ductwork or by thermal loss from ducts with deteriorated insulation. Save up to 30 when you sign up with this link to housecall pro. Duct mechanics must be trained and skilled in air flow design and installation.

As such the next step after replacing air ducts is often air sealing them. The cost of air conditioning duct replacement varies. Average cost to replace ductwork. When solid ducts in walls and ceilings must be replaced the cost can rise to 550 per run or higher.

Installing attic insulation costs 1 700 to 2 100 and may be a good project to do at the same time. We re experts in making sure that clean and refurbished spaces also are more efficient.