AC Installation in the Greater Missoula Area

Don't Wait...Call Hellgate

At Hellgate Plumbing, Heating and Cooling, we are your trusted partners for top-notch AC installation, ensuring residential properties stay cool, comfortable, and productive. We pride ourselves on installing high-quality Rheem air conditioning systems, renowned for their exceptional efficiency, durability, and quiet operation. Rheem has a long-standing reputation for innovation, offering models with advanced features like variable-speed compressors for precise temperature control, and EcoNet® compatibility for smart home integration.

Whether you’re constructing a new building and require a complete cooling solution or your current system is faltering, our certified technicians offer customized installation services designed to meet your unique needs and budget. We also understand that a new AC unit is an investment, which is why we offer flexible financing options, seasonal specials, and comprehensive post-installation maintenance programs, including our Diamond Club, to make the process as smooth and beneficial as possible

Why Invest in a New AC Unit?

Installing a new air conditioning system is not just about replacing old equipment. It is about improving how your home feels, functions, and performs during Western Montana’s warmest months. A modern AC system offers real advantages that go beyond simple cooling.

Lower Energy Costs

Older air conditioners often work harder than they should, driving up energy bills month after month. New systems are built with improved efficiency standards that use less energy to deliver consistent cooling. Over time, those savings can make a noticeable difference in your monthly utility costs.

More Consistent Comfort

If some rooms in your home never seem to cool properly, an aging system may be the reason. New air conditioners provide more even temperature control and improved airflow. The result is a home that feels comfortable from room to room, even during peak summer heat.

Cleaner Indoor Air

As AC systems age, they can circulate dust, allergens, and other airborne particles. Modern systems paired with upgraded filtration help improve indoor air quality. This creates a healthier environment for your family and reduces the buildup of unwanted pollutants inside your home.

Fewer Breakdowns and Repairs

Frequent AC repairs are often a sign that a system is nearing the end of its lifespan. New air conditioners are built for reliability and long-term performance. Installing a new unit can reduce surprise breakdowns and give you peace of mind during the hottest days of the year.

Quieter Operation

Older systems tend to be loud and disruptive as components wear down. Today’s air conditioners are designed to operate much more quietly. This means better comfort without the constant background noise of a struggling system.

Environmentally Responsible Cooling

Many older AC units rely on outdated refrigerants that are no longer environmentally friendly. New systems use modern refrigerants and technology that reduce environmental impact. Upgrading helps lower your carbon footprint while improving efficiency.

Added Home Value

A new, energy-efficient air conditioning system is an attractive feature for potential buyers. It signals that the home has been well cared for and updated with modern comfort solutions. Even if you are not planning to sell soon, it is an investment that adds long-term value.

We're here to help!

Our team will help you select the perfect Rheem model for your specific needs.

Why Homeowners Choose Hellgate for AC Installation

Installing a new air conditioner is a long-term decision, and who installs it matters just as much as the equipment itself. Homeowners across Western Montana turn to Hellgate Plumbing, Heating and Cooling because we focus on doing the job right, not rushing through it.

  • Installation done with intention: We do not take a one-size-fits-all approach to AC installation. Every home is evaluated for size, layout, and cooling demands so the system performs the way it is supposed to from day one.
  • Built for local conditions: Western Montana homes face unique weather swings and temperature demands. Our team installs systems with those conditions in mind, helping prevent short cycling, uneven cooling, and early system failure.
  • Clear expectations from start to finish: We walk you through the process before any work begins so you know what to expect. From system selection to installation day, communication stays clear and straightforward.
  • Long-term system care: Our Diamond Club maintenance program is designed to protect your new investment. Members receive regular maintenance and priority scheduling, helping their new AC system run efficiently and reliably year after year.
  • Respect for your home: A new installation should not leave behind a mess or stress. Our technicians treat your home with care, keep the work area clean, and complete installations with professionalism and attention to detail.

Don’t let the Montana Heat Impact Your Comfort or Your Business

Contact Hellgate Plumbing, Heating and Cooling today to schedule a consultation for your AC installation in the Missoula, Lolo, East Missoula, Florence, Hamilton, Stevensville, and Superior, MT areas. Our dedicated team is ready to provide you with a free estimate and help you find the ideal cooling solution, featuring dependable Rheem systems, for your residential property.

Questions or concerns?

Fill out this form and our team will get back to you as soon as possible.

Name(Required)

Frequently Asked Questions

Testimonials

Hear From Our Satisfied Customers

Charlene Crawford
13 hours ago
06/04/26 I decided to do an upgrade on my kitchen faucet (it was leaking) and replace my upstairs bathroom toilet. It was running after being flushed until the handle was jiggled. I wanted the same as the one Hellgate installed last November in another bathroom, tall with oval seat. Called for an estimate, a plumber came that day, provided estimates and one week later I had both installed. Faucet and toilet are working perfectly, I am very satisfied with Hellgate Heating and plumbing. Quality employees, professional staff and responsive scheduling make this business my go too. 11/2025 My gas insert fireplace quit working. The first place I called said it would be a month and a half before they could even take their first look at it. I called Hellgate Plumbing and Heating and they made their first stop within the week. From there we decided a new fireplace was unavoidable. They made two more stops to work through the decision making, ordering and glitches. From first visit to installation it was a little less than a month. I could not be more happy with their professionalism, quality of service and my new fireplace Additionally, I called with a leaking toilet in the morning and a qualified repairman was here the same afternoon. The toilet was old and obsolete, so a new one was picked up and installed all with in a couple hours. No muss, no fuss and I have no complaints. Hellgate plumbing is my go to heating and plumbing service company.
Laurie Silk
2 days ago
Henry was amazing! I will definitely be using them again. Thanks Henry for making the situation pleasant!!
Colleen O'Connell
2 days ago
I highly recommend them. Their communication, prompt service, as well as updates while at the house was excellent. Our technician was wonderful!
Sandra Whittecar
3 days ago
Hellgate Plumbing takes professionalism to a higher level. This was the first time using their services & they were amazing from initial phone call(answered by real person) to the professional behavior of our technician-superb. Our new kitchen faucet was installed quickly and works perfectly-give Hellgate Plumbing a call, you won’t be disappointed!
Bryce Kepferle
3 days ago
Super nice guy, did a great job!
Randall Marshall
3 days ago
Kaleigh, Lisa, and Jacob were all professional (and anybody I missed) and attentive to details. Routine a/c service. Completely satisfied with the work and explanation.
Chris Johnson
4 days ago
The entire team at Hellgate is prompt, communicative and totally pro. I highly recommend Hellgate overall. They maintain my high efficiency boiler and take care of all my hvac needs.
Jeff Mountford
6 days ago
Fantastic prompt service. Explained services offered very well. Friendly, professional technicians.
faith dixon
1 week ago
Crew was very professional and informative.
Debra Funk
1 week ago
Caiden did a great job and explained everything perfectly.
Tyler Lind
2 weeks ago
Overall great experience! Solved my plumbing and AC problems quickly and the technicians were extremely knowledgeable and helpful.
Freya Sargent
2 weeks ago
Excellent service and installation. I highly recommend.
Trude France
2 weeks ago
Andrew was very thorough and explained everything very well.
Your mama
2 weeks ago
Was impressed with Austin, was thorough, informative, fast and nice personality.
Tim Fink
2 weeks ago
on time and the work was done right and quickly.
Michael Pasillas
2 weeks ago
Great service, awesome response time, amazing price tag. Got us squared away on a leak and hooked water to our fridge to accommodate our pups desire for ice cube treats.
Anita Turner
3 weeks ago
Just spent yesterday with Caidan from Hellgate Plumbing and Heating and his electrician sub-contractor, Brody from Hometown Electric. They were polite, friendly and PROFESSIONAL. When they were done they cleaned up after themselves - it was like they were never there. At about 5:30, Caidan realized there was one little wire that was needed for the thernostate to run the new ac. He asked if I wanted him to stay and take another hour to install it or if I wanted him to come back today. I opted for him staying. I spent 30 years in the guest service industry with Holiday Inns and I know customer service when I see it or experience it. Caidan knows and practices Customer Service. Thanks so much Caidan for staying. I can't stress strongly enough that Hellgate Plumbing and Heating, from the people who answer the phones, the sales people (a nod to Andrew) and the installers are just wonderful to work with. They are the perfect example of Customer Service. My thanks to all of you. I am now ready for a "sweat" free summer and will be worry free about my breaker box. The new one is a beautiful sight to see. Brody does amazing work. I would recommend Hellgate Plumbing and Heating and Hometown Electric highly. Just a great experience for a reasonably priced installation.
Nick Hnotchuk
3 weeks ago
Best Hellgate interaction I’ve had to date, and I’ve had alot. They always do great work!

    Get Assistance Today

    Don't Wait... Call Hellgate

    Responsive and reliable. Help when you need it most. Hellgate Plumbing, Heating and Cooling has provided residents of Missoula, Lolo, Florence, MT, and beyond with reliable and affordable HVAC and plumbing services for over 40 years.