We’ve used Mountain Valley for years and trust them implicitly. We’ve found their analysis and recommendations are accurate and thoughtfully presented, their prices very fair and their work excellent. I highly recommend them.

Very knowledgeable and attentive to the needs of our 1955 house. We would definitely call this company again.

Great company to work with from start to finish! Pricing was in the same ballpark as the other quotes I received, however their proposal was much more detailed and comprehensive. This made everything clear up front rather than being surprised by hidden costs. Jim came out to do the quote and was responsive to my preferences and provided various quotes to help me assess the type of furnace I wanted and whether I wanted to add A/C. Jim was also the installer, which gave me a lot more confidenc