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About Us
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    25,000 clients - since 1992

    About Us

    ACT Heating & Cooling Inc. has proudly served the Billings area since 1992. We specialize in residential equipment replacement and service, and our reputation speaks for itself. With over 25,000 residential clients, homeowners continue to trust us with the care and performance of their heating and cooling systems.

    Our Philosophy is Simple

    When it comes to helping you invest in a new system for your home, our philosophy is simple: we take the time to understand what’s important to you. Once we do, we provide expert guidance through a thorough analysis of your home, tailored to your specific situation and equipment needs. We believe in clear, transparent communication. That’s why everything we discuss is provided in writing.

    Firm Quotes in Writing

    Unlike many contractors who offer vague estimates, we go a step further by delivering a detailed Homeowner Installation Agreement—a firm quote that outlines exactly what you can expect. We take the responsibility of working in your home seriously. You can count on us to treat you like family and to protect your home and the environment with the utmost care. Our employees genuinely love what they do and are committed to delivering the best service possible. We invite you to explore our website to learn more about who we are and what we offer. If you have any questions, please don’t hesitate to give us a call—we’d be happy to help.


    Reviews

    • Keep up the great work and service. The office sales, and installer personnel for this job are true professionals. I’m glad I chose ACT and will continue to rely on you for my heating and cooling needs. Thank you all.

      Paul & Nancy Bousquet

    • You were all just great! Brandon was very informative and honest about our particular heating & cooling issues. Drew and the rest of the crew were hard working and very courteous. Thank you so much! P.S. Brandon even helped us out with coolant until our repairs could be made. You seem to have some wonderful employees!

      Terry & Kim McLaverty

    • I can’t imagine how ACT could improve further… I couldn’t be happier with the whole entire process. From start to finish- an absolute pleasure working with everyone involved will recommend and use ACT in the future!

      Scott Field

    • Keep doing the awesome service you provide! We have owned a home for over 30 years and have never been treated better than by ACT for any service need. I am so grateful that we called you! I will pass on my excellent experience with your company! You could give lessons in customer service to many other companies!

      Jack & Sheryl Winkle

    • Your crew was efficient and courteous and answered all my questions. You have an amazing work force top to bottom. My new furnace works better than I had expected. My wife mentioned the first night that our house is finally a consistent temperature upstairs and down.

      Scott & Jenny Lueck

    • Always love dealing with you guys for the last 15 years doesn’t matter who, service is always good!!

      Todd & Alex McCready

    • ACT is easily the best service installation company I’ve over worked with. Professional courteous and outstanding. It was a pleasure to work with the professional of ACT.

      Michael Garcia

    • From Pat Casey showing us what is available and educating us on products, to installation. To duct clean out. It was a 1st class operation. We Thank you!

      Dennis Goodheart

    • Brandon was extremely helpful in helping us selecting a furnace replacement and in the prompt repair of our air conditioner it its 7th year of service. Your 10 years warranty on both our air conditioner and furnace is wonderful coverage. Your installers were outstanding and even detected and fixed a gas leak in the line to our water heater.

      Ron & Carol Hildebrand

    • This was one of the most professional companies we have ever dealt with, outstanding in every aspect of the work we had done. Will recommend your company to anyone looking for having there heating and cooling system replaced or upgraded. Awesome Job!

      Douglas & Alice Stenglein