Fosselman Refrigeration, Heating & Air, Inc

Keeping your commercial refrigeration and HVAC systems operating efficiently is critical to your business. Fosselman Refrigeration, Heating & Air, Inc. offers comprehensive service, repair, and installation for all major brands and system types across Western Montana. From walk-in coolers and freezers to rooftop package units and water source heat pumps, our certified technicians have seen it all.

We serve restaurants, grocery stores, warehouses, medical facilities, and industrial plants. Our process begins with a thorough diagnostic assessment using advanced tools to pinpoint issues quickly. We then provide a clear, upfront repair or replacement recommendation. For new installations, we handle everything from load calculation to final commissioning, ensuring optimal performance and energy efficiency.

Why choose Fosselman? We combine deep technical knowledge with a commitment to response times. When your cooler goes down or your heating fails in winter, we understand the urgency. We also offer flexible preventative maintenance contracts to catch small problems before they become expensive emergencies. Trust us to keep your inventory safe and your environment comfortable all year long in Plains.

Chillers and fluid coolers are the backbone of many industrial and commercial processes. Fosselman Refrigeration provides expert service for air cooled chillers, water cooled chillers, glycol chillers, process cooling systems, cooling towers, and fluid coolers. Our technicians are trained in the latest technologies, including variable frequency drives and programmable logic controls, to maximize your system's efficiency and reliability.

We service all major brands and configurations. Our process includes routine inspections, cleaning, refrigerant management, component repair or replacement, and complete system overhauls. We understand that a chiller failure can halt production or compromise building comfort, which is why we offer priority response for emergencies in Plains.

Partner with us for preventative maintenance that includes oil analysis, vibration testing, and control calibration. We help you avoid costly downtime and reduce energy consumption. With over 13 years of local experience, we know the unique demands of Western Montana's climate and industries. Let us help you extend the life of your chiller and fluid cooler systems.

Variable Refrigerant Flow (VRF) systems offer superior energy efficiency and zone control for commercial buildings. Fosselman Refrigeration is your local specialist for Mitsubishi City Multi VRF and other leading systems. We provide expert installation, service, and maintenance for VRF heat recovery and heat pump systems, ensuring optimal comfort and operational savings.

Our technicians receive ongoing factory training to stay current with the latest VRF technologies, including energy management control systems integration. Whether you need a new VRF system designed and installed for a office building, hotel, or mixed-use facility, or you require urgent repairs on an existing system, we deliver precision workmanship.

Our service process includes diagnostic checks of branch controllers, indoor units, outdoor units, and communication networks. We also provide retro-commissioning services to restore aging VRF systems to peak performance. For businesses in Plains looking to reduce their carbon footprint and energy bills, VRF is an excellent choice, and Fosselman is the team to make it happen reliably.

For new construction or major renovations, a well-designed mechanical system is essential for long-term performance and cost control. Fosselman Refrigeration offers complete mechanical design and build services for commercial and industrial clients in Plains. We work alongside architects, engineers, and general contractors to create solutions that are efficient, code-compliant, and tailored to your specific needs.

Our design process begins with a thorough assessment of your building's load requirements, usage patterns, and energy goals. We then design systems that may include rooftop package heat pumps, gas packages, water source heat pumps, VRF, chillers, and complete control systems. Our team handles everything from engineering drawings and permit applications to procurement, installation, and final testing.

By choosing our design-build approach, you benefit from single-source accountability, faster project delivery, and often lower overall costs. We have experience with Trane IntelliPak™, Liebert® CRAC, APC™ CRAC for server rooms, and many other specialized systems. Let us bring your mechanical vision to life with precision and expertise.