Johnstone Supply – Billings, MT

Located in Billings, Montana, Johnstone Supply specializes in HVAC installation, repair, and maintenance. Conveniently located in the Southwest Corridor neighborhood, the business is easily accessible to nearby residents. Our HVAC services include installation, repair, and maintenance for residential and commercial systems. We handle air conditioning tune-ups, furnace repairs, and complete system replacements. Emergency service is available for urgent heating and cooling needs. Customer satisfaction drives our commitment to excellence. We serve Billings and the surrounding Montana area. We are proud of our 4.9-star customer rating. Call (406) 252-1207 to speak with our team or schedule an appointment.