PCSA 2022 Heating Check Up Prepaid Flue pipe is leaking and part of it needs replaced. Quoted hourly labor and materials. All other checks good. Will call and schedule with kyle 1/23/23 flue leak fixed, upon arrival air conditioner stuck on either communicating thermostat or communicating board is the issue. The unit is a regular 24v unit and a regular thermostat can be put on. Putting on hold. A junction can be made with a box to replace board.