3/7/25 Arrived onsite for no heating on a gas fired boiler with 2 zones. Performed diagnostic and found the fault in the control system where it was not recognizing the draft damper is open. The plug receptor would not properly connect. Attempted to make a better connection but could not. Recommend replacing aquastat relay. Customer agreed to repair and signed up for elite partner plan. 3/8/25 performed repair and confirmed operation of the boiler Looked at failed AC system. Found rodent nest but did not observe chewed wires. Homeowner would like an estimate for replacement of the AC; or may like to try to fix the system.