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Bergeron Mechanical Systems Bergeron Mechanical Systems
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Bergeron Mechanical Systems Customizing Your Comfort with Maximum Efficiency!
Cutting-Edge HVAC Products & Services

Proudly Serving Keene, NH and Surrounding Areas Since 1973

Keene Heating & Cooling

Proudly Servicing Ductless Mini-Splits, Heat Pumps & HVAC Systems Throughout Cheshire, Grafton, & Windsor Counties 

Bergeron Mechanical Systems has been serving residential and commercial property owners since 1973. Up and down the I-91 Corridor, from the southern border of New Hampshire up to White River Junction, VT, we’ve helped customers with their HVAC systems. After all these years, we’re still family-owned and operated, and we bring a real personal connection to every job we do and every customer we interact with. 

Even though we’re a small business, we’ve never thought small. Quite the contrary. From our very inception, Bergeron Mechanical Systems has always prioritized staying on top of the great technological developments that have transformed our industry. When you work with one of our techs, you get the best of all worlds—someone who’s experienced enough to have seen almost every problem, combined with someone who is also abreast of the best technologies that can make your home or business more energy-efficient. 

We believe your HVAC unit is an investment. Maybe it’s not the first time you’ve heard that. A lot of people in our industry say it. But we understand something that’s too often overlooked—good investments start with risk management. A good investor understands that mitigating their risk takes place on the front end. In our profession, that means bad installations—units that aren’t properly designed or correctly sized—open property owners up to risk. We get it right the first time, so our customers can reap the benefits of a comfortable home, more efficient energy usage, and a lower carbon footprint. 

Call Bergeron Mechanical Systems at (603) 733-4594 or contact us online for a free estimate. Your invoice will reflect exactly what we quote.

Our Services

How We Can Help You
Providing Services to
Keene & Beyond

We commonly service the following areas:

Get in the Zone—The Comfort Zone

The ductless HVAC units Mitsubishi offers can be a tremendous benefit for homeowners and business owners alike. Ductless mini split systems are the most efficient means to deliver heating and cooling to your home or business. If you're still thinking you should heat and cool your home with a ducted system you are not considering how much energy you are wasting pushing the air through ductwork. Did you know that, on average, 20% of a ducted heating and cooling systems energy use is lost via duct leakage? Ductless systems are virtually silent and only deliver heating and cooling to rooms that are in use, significantly reducing your overall energy use.

There are a lot of technological options associated with ductless units. To put them all on display—and to make it easier for our customers to directly ask questions of our licensed technicians—we’ve created a unique showroom. The HVAC models are on display, and we’re happy to discuss the different options with you. 

We call it The Comfort Zone. Of course, it makes your home more comfortable. But you also get the comfort of knowing how your unit works, and that you have the best possible option for your home or business space. 

The Comfort Zone is open every weekday from 7 AM to 4 PM at 216 Marlboro Street in Keene. Stop by and see us!

Why Choose Bergeron Mechanical Systems?

What Makes Us Different
Visit "The Comfort Zone" Showroom Where Comfort Meets Innovation!
Come visit our Mitsubishi Electric showroom to experience first-hand what true comfort feels like!
Learn More

Brands & Partnerships

  • York
  • Bryant
  • Mitsubishi Electric
  • AprilAire
  • RenewAire
  • Nu-Calgon
  • Minotair
  • LifeBreath
  • LEED
  • Energy Star Partner
  • ACCA

Happy Customers in Your Neighborhood

Reviews & Testimonials
    "Highly Recommend!"
    The installers were professional and explained the whole unit and its operation clearly. Done ahead of schedule.
    - Michael K.
    "Great Job!"
    First contractor ON TIME, lately.
    - Paul D.
    "Will Recommend!"
    I couldn’t be happier with them, how smooth and quickly the installation was completed, and our new Mitsubishi system!
    - Shauna M.
    "Technicians are polite, attentive, thorough, and professional."
    Very pleased with our Mitsubishi mini-split heat pump system, and the service contract. Technicians are polite, attentive, thorough, and professional. We purchased from Bergeron because of their reputation, and we have not regretted it.
    - Brian A.
    "Very Pleased!"
    Eric and Caleb cleaned and serviced our AC units. They were courteous, thorough, professional, and knowledgeable.
    - Norma I.
    "Very Happy Customer!"
    Ryan and the team at Bergeron did a fantastic job with my HVAC installation.
    - Cindi M.
    "Very Impressed! Highly Recommend!"
    My bills have been cut in half!
    - Debbie K.
    "Informative and Diligent!"
    Kim was extremely helpful in taking the time in reviewing the issues involved with our building, suggesting the appropriate options as well as answering many of my questions.
    - Jacqueline L.
    "Will Call Again!"
    Professional, polite, and hard working. An excellent job!
    - Geraldine G.
    "Great Company!"
    Everyone was professional and extremely helpful making the experience as pain-free as it could possibly have been.
    - Greg B.
    "5 Stars!"
    The installation process was done on time and with great care and courtesy both inside and outside our home.
    - Dave D.
    "Professional Service"
    The installation was clean, and the system works great.
    - Timothy W.
Designed for life, inside and out.

Explore Mitsubishi Electric's all-climate heat pump technology. Systems designed for elevated living and lower impact on the environment.

We're Not Comfortable Until You Are!

Contact us today

Use the form below, give us a call at (603) 733-4594, or visit our interactive showroom at 216 Marlboro Street in Keene!

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  • Free Initial Consultation

    Our initial on-site consultation is free of charge to you. When we visit your home, you get the chance to collaborate with us on the design for your system and have a written estimate for your monthly cost in hand before we leave.

    Some exclusions may apply.