Install back flow preventer and run copper to meter
Reconfigured t stat set outdoor low ambient temp to 40 degrees tested temperature cycled heat pump and furnace to make sure systems run independently took pictures of outdoor indoor coil and MAC address showed customer operation of both systems sytem running at this time. Applying required model and serial numbers to existing invoice for rebate purposes.
Ran 4†insulated flex lines from both bathroom exhaust fans to the gable side of the house. Connected 4†flex to exhaust hoods outside. Screw and silicone exhaust hood to exterior of house.