Today I came to Sherri’s Millrise home becuase the main floor furnace is not working. Upon diagnostics I found the furnace was not getting a call for heat. I checked the thermostat and it was dead. We changed the batteries and there was still no call for heat. I removed the thermostat and connected the wires together bypassing the thermostat and the furnace fired up. The thermostat has failed and must be replaced. Once I got the furnace running, I decided to perform the annual family plan furnace tune up. Furnace tune up: Upon tune up and inspection of the 13 year old, builder grade system I tested and adjusted the gas valve, burners, gas pressure and temperature rise. Pulled and cleaned the flame sensor. Tested ignition system, inducing motor and assembly, blower motor and assembly, heat exchanger, static pressures, tested and tightened all electrical connections, all safety switches and control board. The furnace is in poor condition. As stated last year, the condensate pan is leak