For over 20 years, Falls Mechanical Services LLC has provided reliable HVAC solutions from its Great Falls location. The company specializes in installing, maintaining, and repairing furnaces, air conditioners, and heat pumps for both residential and commercial clients. Their NATE-certified technicians offer comprehensive services including system replacements, preventative maintenance plans, and 24/7 emergency repairs. They work on all major brands to ensure optimal indoor comfort and efficiency year-round. Trust Falls Mechanical for expert HVAC service, from routine check-ups to complete new system installations.

For over 30 years, B & B Heating & Air Conditioning has been the trusted HVAC provider for Great Falls, MT, and the surrounding areas. Located at 415 Vaughn Rd, our skilled technicians offer comprehensive heating and cooling services to keep your home comfortable year-round. We specialize in the installation, repair, and maintenance of furnaces, heat pumps, and air conditioners. Our team also provides essential indoor air quality solutions, including air duct cleaning and humidifier services. As a local, family-owned business, we are committed to prompt, reliable service and 100% customer satisfaction. Contact us for all your HVAC needs.

For over 40 years, AT Klemens has provided reliable HVAC service to Great Falls and surrounding areas. Our local team offers comprehensive heating and cooling solutions, including installation, repair, and maintenance for furnaces, air conditioners, and heat pumps. We are authorized dealers for top brands like Lennox and Carrier. Our NATE-certified technicians also specialize in indoor air quality systems, thermostats, and duct cleaning services. Committed to your comfort, we provide straightforward pricing and 24/7 emergency repairs. Trust your home's climate to our experienced professionals at 814 12th St N.