My furnace kept shutting off and I couldn't get the house warmer than 60 degrees. It had just snowed and the high was 20. I left a message before 8 and they got back to me within 10 minutes, and were able to come out that day at a time convenient to me. Showed up on the dot and promptly figured out what was happening with my furnace. They were able to fix it within an hour and the total cost was under $200. They also gave practical advice for regular maintenance and care. Very nice and honest people with great customer service.