Today I came to Virginia’s Chaparral home because the 15 year old furnace stopped working. This has happened twice before. Upon diagnostic I found the flame sensor has failed. This is the third time with the same problem. This indicates the control board has sensing problems as well. The blower motor has over heated at least once and has spilled liquified grease. This is causing permanent and irreversible damage to the furnace by not moving enough air. Ignition system at 20% life remaining. Virginia would like to replace the furnace rather than repair it. I will replace the flame sensor today as a courtesy so Virginia has heat until the furnace can be installed. Should the furnace installation be cancelled, the full charge for today including travel, diagnostics and flame sensor will be charged. I have replaced the flame sensor for today. I have collected 50% deposit and the remainder will be due at time of job completion. 25% restocking fee and payment for todays work should the j