Why Choose Merit Mechanical Services?

An established HVAC contractor serving clients in Helena, MT and beyond

For over 35 years, Merit Mechanical Services has been repairing HVAC systems and doing custom metal duct fabrication work in Central and Western Montana. When you need air conditioner repair or mini-split system maintenance work done at your home or workplace, turn to our Helena, MT-based company.

You'll appreciated our...


  • Unmatched customer service
  • Quality craftsmanship
  • Competitive pricing
  • Wide range of services
  • Design expertise



We also handle custom sign fabrication projects along with HVAC repair, air purification, and custom metal duct fabrication work. Contact us today to take advantage of these services.


While the HVAC system alone cannot prevent the transmission of coronavirus the industry's professional association ASHRAE (The American Society of Heating, Refrigerating and Air Conditioning Engineers) has recommended methods to help a home's HVAC system to reduce airborne infectious particulate.

Support a small local business

The Merit Mechanical Services team is proud to live and work in and around Helena, MT. We serve the greater Helena Valley area, including rural communities such as Townsend, Wolf Creek, Lincoln, Boulder, Three Forks, Clancy and Montana City.

Look no further for a local commercial HVAC contractor. We handle commercial construction projects in areas like Bozeman, Dillon, Butte, Great Falls and Missoula.

Call 406-443-1150 now to speak with a local HVAC contractor.