+1 406-201-1071
2015 N Reserve St, Missoula, MT 59808, United States
About rooftop package unit repair Western Montana
For over 13 years, Fosselman Refrigeration, Heating & Air, Inc. has been the trusted name for commercial and industrial HVAC and refrigeration solutions across Western Montana. We are a family-operated business built on integrity, technical excellence, and a deep commitment to keeping your critical systems running smoothly.Our team specializes in complex systems like Mitsubishi City Multi VRF, chillers, process cooling, and energy management controls. Whether you manage a restaurant, cold storage facility, server room, or industrial plant, we bring the expertise to handle your unique challenges. We are fully licensed in Montana (CR#282837) and dedicated to minimizing your downtime with fast,...
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Our Services
Commercial Refrigeration & HVAC Service
<p>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.</p><p>We serve restaurants, grocery stores, warehouses, medical facilities...
<p>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.</p><p>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.</p><p>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 Western Montana.</p>
Commercial Chiller & Fluid Cooler Service
<p>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.</p><p>We service all major brands...
<p>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.</p><p>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 Western Montana.</p><p>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.</p>
VRF System Service & Installation
<p>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.</p><p>Our technicians receive ongoing factory training to stay current with the latest VRF technologies,...
<p>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.</p><p>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.</p><p>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 Western Montana looking to reduce their carbon footprint and energy bills, VRF is an excellent choice, and Fosselman is the team to make it happen reliably.</p>
Mechanical Design & Build
<p>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 Western Montana. We work alongside architects, engineers, and general contractors to create solutions that are efficient, code-compliant, and tailored to your specific needs.</p><p>Our design process begins with a thorough asse...
<p>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 Western Montana. We work alongside architects, engineers, and general contractors to create solutions that are efficient, code-compliant, and tailored to your specific needs.</p><p>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.</p><p>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.</p>
“Calvin, owner of Fosselman, was here the day after I called for service and diagnosed and repaired a blockage in my condenser line as well as checked out my furnace for any other issues. He was in and out in less than 1 hour! I have heat again! Thank you!”
— Terri Pyne
“Great experience.”
— Jack Dailey
“Prompt, experienced, professional service handled with care. Third company I've had to take time off for over a three week span to come out to my house for the same issue yet the only one able to actually fix it. Within the four hour span found the issue, found a replacement part, and replaced it. Overall great experience.”
— Morteza Zareie
“From the very first start to very end my experience was amazing with Calvin. I love how he showed up when he said as well as did what he said he would do. Left place clean! Price was little more but when I compare with cheap prices, I usually end up paying for it twice. Was glad to pay what was charged and some extra!!! Thank you Calvin! I would love to do more work in the future, as well as happy to refer you to friends and family!!! You rock!!! :)”
— Kon Shiva
“The Tech showed up on time. Told me what was needed and the price. He then told me of options for other services and explained each in detail when I had questions. Really sharp guy. No problem when I was watching his work and showed what he did and why. I had a shoddy install about 9 years ago that never replaced the Line set in a new HVAC install. When asked they said that it wasn’t in the quote. He showed me that they never installed a filter and a few other mistakes. He was done when he said he would be. Cleaned up everything and the work was very professional. Will recommend him to everyone.
Positive
Punctuality, Quality, Professionalism, Value
Services
A/C system maintenance, HVAC system maintenance, HVAC system repair, A/C system repair, Repair HVAC”
— Mykl Gee
“Calvin did a great job installing my split unit. Was great on price, speed and quality. Thank you and good luck to you and your business in the future. Keep up good work!!!!”
— Алексей варнавский
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About rooftop package unit repair Western Montana
For over 13 years, Fosselman Refrigeration, Heating & Air, Inc. has been the trusted name for commercial and industrial HVAC and refrigeration solutions across Western Montana. We are a family-operated business built on integrity, technical excellence, and a deep commitment to keeping your critical systems running smoothly.Our team specializes in complex systems like Mitsubishi City Multi VRF, chillers, process cooling, and energy management controls. Whether you manage a restaurant, cold storage facility, server room, or industrial plant, we bring the expertise to handle your unique challenges. We are fully licensed in Montana (CR#282837) and dedicated to minimizing your downtime with fast, reliable service.We believe in proactive partnerships. Our preventative maintenance programs are designed to extend equipment life and prevent costly breakdowns. When you choose Fosselman, you choose a team that answers calls 24/7, arrives on time, and fixes it right the first time. Let us be your go-to mechanical contractor in Western Montana.
