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39 Years
experience
Emergency
services
Your Trusted Plumbing & HVAC Experts in Missoula
Established in 1987, Sentinel Mechanical has served as a trusted provider of comprehensive plumbing, heating, and HVAC solutions for residential and commercial clients in Missoula, Montana. Our team of licensed professionals combines decades of experience with a commitment to personalized service, ensuring every project meets the highest standards of quality and reliability. We specialize in new construction, system installations, and emergency repairs, leveraging our technical expertise to address both routine maintenance and complex challenges.

Our dedication to customer satisfaction is reflected in our 24/7 emergency response capability and our ability to deliver efficient, transparent service tailored to individual client needs. With a deep understanding of Montana's climate and infrastructure demands, we prioritize long-term system performance and energy efficiency while maintaining competitive pricing and clear communication throughout every engagement.
Services
Plumbing Heating HVAC Air Conditioning Emergency Repairs
Details
  • Year established: 1987
Highlights and features
  • We have over 35 years of experience serving Missoula's plumbing and HVAC needs
  • Our team provides 24/7 emergency service for urgent situations
  • Licensed and insured technicians ensure professional, code-compliant work
  • We serve both residential and commercial clients with equal expertise
  • Proven track record of customer satisfaction with prompt, transparent service
What people say
Excellent service Knowledgeable employees Fast and friendly Great technician Highly recommended
Services
Plumbing
Our licensed plumbers handle all residential and commercial plumbing needs, from leak repairs to complete system installations. We specialize in water heater replacements, drain cleaning, and new construction projects. With over 35 years of experience, we ensure code-compliant, durable solutions for both emergency and scheduled service requirements.
Heating
We provide comprehensive heating solutions including furnace and boiler installations, in-floor radiant heating systems, and thermostat upgrades. Our technicians maintain and repair all types of residential and commercial heating equipment, ensuring optimal performance during Montana's cold winters through regular maintenance and emergency service capabilities.
Air Conditioning
Our HVAC experts install and service ductless mini-split systems, rooftop units, and traditional air conditioning systems. We offer energy-efficient solutions for residential and commercial properties, including system upgrades and emergency repairs to maintain comfort during summer months across Missoula and surrounding areas.
Emergency Repairs
We offer 24/7 emergency response for plumbing and HVAC crises, including water heater failures, burst pipes, and heating system malfunctions. Our rapid response team provides same-day service for critical issues, ensuring minimal disruption to residential comfort and commercial operations throughout the Missoula region.
Commercial HVAC
We specialize in large-scale HVAC solutions for commercial properties, including system design, installation, and maintenance. Our services cover rooftop units, fan coil systems, and multi-zone climate control solutions tailored to business needs, with regular maintenance programs to ensure system longevity and energy efficiency.
Questions
What services does Sentinel Mechanical offer?
We provide comprehensive plumbing, heating, and HVAC services for residential and commercial properties, including emergency repairs, system installations, and maintenance.
Do you offer emergency service?
Yes, we provide 24/7 emergency response for plumbing and HVAC issues with same-day service available for urgent situations.
What areas do you serve?
We primarily serve Missoula, Montana and surrounding areas within a 60-mile radius of our office location.
How can I schedule an appointment?
You can contact us at (406) 721-5400 during regular business hours or use our online contact form to request service.
Are your technicians licensed and insured?
Yes, all our plumbing and HVAC technicians are fully licensed, insured, and trained to handle residential and commercial systems.
Reviews (4)
T. C.
May 12, 2022 Report
Sentinel mechanical was willing to come diagnosis my problem with my radiant floor heating system within a few days and then was able to put an entire new system in within a week where other companies told me it would be a month before they could even come diagnosis my issue. had no heat while 20 degrees outside at this time. Sentinel did a great job. We're competent in there work. Showed up when they said they would. Sentinel's pricing was very reasonable compared to other companies. Thank you for your help! Tami
Debbie Lawton
Apr 16, 2022 Report
I highly recommend Sentinel Mechanical Plumbing and Heating. We had removed a clawfoot bathtub to replace flooring and in the process broke the pipe to the tub. The tub had no shut off value to it so we had the water shut off to the whole house. Called other plumbers and got put on their emergency list, but no one could come and they would not give a estimate on when they could come (in fact one place called me a month later). Sentinel fit me into their schedule and then added shut off values to prevent having to shut off water to the whole house.

Just today I called to fix a little issue with the toilet and they made time to come over and fix it. Even though my projects are small, I know that they still value me as a customer and they do quality work. Debbie Lawton
Julie Pennewill
Dec 01, 2021 Report
These guys put in a new kitchen sink and faucet for us, and the work was great. Very professional, and friendly. They went above and beyond to help us. Highly recommend. Service: Tap installation
Jon Taylor
Nov 15, 2021 Report
They did a fantastic job. Arrived on time, rechecked regarding needs, had an excellent means to obtain parts without extending billable time and cleaned up when done. Overall am quite pleased.