Our heater temperature kept going down at night. We had a technician came out next morning and fixed the problem right away The technician was very detailed oriented, explained everything and his sinc

We were having problems with our heating system including that our smart thermostat (Ecobee) kept rebooting which caused the furnace to only sporadically heat up our house. The technician who came out

Furnace went out, called Sierra Air and they came out the next day. The technician was very friendly and seemed knowledgeable. I was given an estimate of $47K for a new system with A/C. It was a high