Heating, Cooling, & Ventiliation Installation & Service

Heating and Cooling Installation and Service

Breen Oil offers professional heating and cooling installation and service to keep your home or business comfortable year-round. With decades of experience serving Montana communities, our technicians provide reliable expertise for furnaces, air conditioning systems, and HVAC equipment. We focus on delivering safe, efficient installations and dependable service that extends the life of your systems while ensuring your comfort.

From routine maintenance to new system installation, our team is committed to providing solutions that meet the needs of both residential and commercial customers. As a locally owned company, Breen Oil stands behind its work with the same customer-first approach that has guided our business for more than 85 years.

Service Scheduling

• Full-service installation and maintenance for heating and cooling systems.

• Service provided from both the Choteau and Great Falls offices.

• Customers can call directly to schedule installation or maintenance.

• Emergency service available outside normal business hours.