It pays to deal with SOUTHWEST AIR, as my heating went out early evening. The temp dropping by morning it was getting cold. Called SW Air early within an hour the tech was on his way. I had to leave for and early appt, by the time I returned the house was heating up and the Tech was off to another job. Thanks to you and your Tech for such expedient, quality service and fair pricing. Many thanks. Charles L Parham, a client for 35 years