Sierra Enterprises-Los Alamos

Nov 2023

David responded quickly to our call and did an excellent job installing our new A/C and replaced our gas heater. He is very polite and knowledgeable about heating and cooling systems.

Dec 2019

December 17th Armstrong furnace shut down and blower quit. Called one local place and they said they couldn't come out till after New Year's. Called Sierra and told them we were without heat and they were able to work us in the same day. Dave troubleshot the furnace and found a bad circuit board, and he happened to have same board on his truck. Swapped boards out and furnace worked. Couldn't ask for better service !

Dec 2019

Our radiant floor heating gave out just as the weather headed into the teens F. I called every plumbing and heating business in town. Most of them didn't answer the phone or even take a message. Sierra Enterprises didn't have any appointments for several days, but when we told them that it was really cold in our house, the lady on the phone expended their day and gave us an appointment. They arrived on time, checked out a thing or two, then told us what the problem was and how much it would cost to repair. The price was reasonable and the part was on his truck. The house began heating up again by the end of the appointment. By nightfall our house was back to normal and...read full review