Replacing an hvac system without ductwork costs between 4 820 and 9 350 depending on the size of your home and the brand and grade of equipment chosen.
Installing new ac ducts.
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.
The cost to install central air conditioning ranges from 3 800 to 7 300 including 2 000 to 5 000 for the unit.
Install dampers at the registers to adjust airflow.
If the air duct isn t long enough it is possible to add extra length.
Remove existing ductwork where needed.
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.
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.
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.
In new construction installing new.
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.
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.
Each register should have its own damper that can be accessed for adjustment.
Attach a second air duct to the first by peeling back the insulation.