Is $10,947 to install a carrier performance 2-stage 4 ton hvac system a fair price?

- Perform manual J Load calculation to understand true heating and cooling loads for the area of house served by the furnace - Furnish and install new Heatpump system consisting of Outdoor Unit and Wall Mounted Indoor Unit - Furnish and install Refrigerant piping, interlock wiring and drain tubing - Furnish and install Linehide to cover refrigerant , drain and wire - Furnish and install Condenser Pad - Start up and check test of operation - 1 year labor warranty - 12 year limited manufacturer’s parts warranty

This quote covers a comprehensive set of HVAC services, including: - Uninstallation and disposal of the old damaged coil. - Leak free installation of the new coil. - Full system testing and calibration for peak performance. - Uninstallation and disposal of the old damaged filter drier. - Leak free installation of the new filter drier. - Full system testing and calibration for peak performance. - Refrigerant leak detection. - Recover refrigerant. - Nitrogen purge. - Leak repair. - Pressure test. - All refrigerant recovery and recycling following EPA protocol. - Purging refrigerant lines with dry nitrogen. - Accurate refrigerant weigh in/out with calibrated scale. - Complete refrigerant testing for peak system operation using super heat and sub cooling diagnostics. - Adding refrigerant to EPA guidelines. - Remove schrader core with isolation tool. - Install new schrader core and new cap. - Leak test service valve.

This option includes the installation of a Carrier Performance series 2-stage HVAC system. - System: Carrier Performance 2-stage - Condenser Model: 26TPA848W003 (4 Ton) - Air Handler Model: FT5ANXC48L00 - Warranty: 10 year parts and 10 year labor