Completed survey of heating equipment and domestic hot water heater HVAC system is carrier gas fire furnace with two zones thermostats are carrier thermostats, domestic hot water is supplied by navian hot water boiler Please see photos for details. Also showed homeowner how to operate his thermostats. There is two zones All systems are operational at this time.issues is the return flex duct located in the ceiling where the air handler is not connected and is just sitting on the ceiling please see photos for details homeowner requested that we come back to get the information of the condenser and homeowner fully understand how to operate the thermostat View visual findings from this job here - https://visionshare.xoi.io/?id=XA-2F41-2FE5CEC880944B68B3D5D18380C724A2 to gain access to front gate press 505