The first problem with the furnace (first part of 2011) was the furnace sporadically not shutting off. We’d have to turn the gas valve off at the furnace, then wait for the cool down cycle to finish and turn the breaker off, wait ten seconds and turn it back on. I went on the Williams Furnace web site for troubleshooting, and found that it was probably either the thermostat or the gas valve that were defective. I called a number of HVAC repair facilities, and made an appointment for Dicks to come out 02/22/11 and diagnose the problem for... read full review »