In new construction installing new.
Installing new ac ducts.
Attach a second air duct to the first by peeling back the insulation.
Install dampers at the registers to adjust airflow.
Installation of new ducts in a home that has never had ductwork before is a more involved process than simply replacing or working on an existing system.
Jim hoover owner of hvac2u in warrenton virginia specializes in new construction but can also install new ductwork or replace ductwork for customers in his area.
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.
If you already have a furnace it can usually use the same ductwork and air handler.
Each register should have its own damper that can be accessed for adjustment.
If the air duct isn t long enough it is possible to add extra length.
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.
Adding heat runs in a basement may change the airflow in the ductwork going to other rooms.
The same ductwork installed for heating systems can also be used for air conditioning.
He charges 5 000 6 000 for a typical new construction ductwork installation job which takes 2 3 days and usually requires all four of his crew members on site.
Hvac installation costs 6 820 to 12 350 on average which includes new ductwork a new central air conditioner and a new gas furnace.
This system uses a thermostat to maintain a steady indoor temperature and ideal humidity for every room.
The cost to install central air conditioning ranges from 3 800 to 7 300 including 2 000 to 5 000 for the unit.