Air conditioning, Heating, High-Efficiency HVAC
Solutions, and Solar
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The Monadnock Region’s First and Only Mitsubishi Electric Ductless HVAC Showroom!
As a family-run business, we’re committed to giving each project and customer the personal care and attention they deserve.
With over 600+ five-star reviews, it’s clear that we go the extra mile to make sure our customers are happy.
As a Mitsubishi Electric Diamond Elite Contractor, we offer top-tier ductless mini-split systems with the added peace of mind of a 12-year warranty on all Mitsubishi Electric components and 1-year bumper-to-bumper warranty coverage of all parts and labor.
From installations to repairs and maintenance, we offer everything you need to keep your heating, cooling, and air quality systems in shape.
Our “Comfort Zone” showroom lets you experience Mitsubishi Electric’s ductless systems up close before deciding.
We’re passionate about sustainability and do our part by participating in environmentally-friendly initiatives.
Bergeron Mechanical Systems is committed to excellence in workmanship and customer service through our four core principles:
The health and safety of our team members and our customers is always our top priority.
Quality
Our team members are expected to perform at the highest level, using only the best quality materials available.
Delivery
We take fulfilling our mission and commitment to our customers very seriously. We are not satisfied unless you are.
Price
We charge what is required to provide high quality products and workmanship, while being a sustainable, growing business and responsible employer.
As a Mitsubishi Electric Diamond Elite Contractor, we represent the top tier of quality and service. We earn our “Elite” designation by ensuring that our certified technicians are trained with up-to-the-minute information and skills for the installation and service of Mitsubishi Electric systems, offering our extended warranty, and maintaining the highest level of customer satisfaction.
If you’re considering upgrading your HVAC system in New Hampshire or Vermont, your Bergeron Mechanical Systems Design Consultant can show you the HVAC rebate and incentive programs available in your area.
Whether for residential or commercial projects, our team provides you with access to help you maximize incentives while upgrading your comfort.
System Type
Estimated Annual Cost
Efficiency Level (*)
$2,713 per year¹
Low – typically 80–85% efficient
$2,164 per year²
Moderate – ranges from 70–95% depending on system age and maintenance
≈ $1,480 per year³
High – up to 300% efficiency (COP 2.5–3.5)
(*) Source: U.S. Energy Information Administration (EIA)
We work with you to determine the most efficient design to meet your comfort needs at a cost that represents a value to you.
Your design consultation is obligation-free and costs you nothing except an hour or so of your time. You’ll have a complete installation proposal, with no hidden costs, in hand before we leave.
Some exclusions may apply. Call for more details.
Saving You Money & the Environment:
High-efficiency systems improve temperature control and air quality, maintaining comfort even in colder climates.
Homeowners in New Hampshire can qualify for rebates and incentives through programs like ENERGY STAR®.
Did you know that 90% of HVAC units are installed incorrectly, wasting energy and making your home less comfortable?
That’s why choosing the right contractor matters! We’re in the 10% that delivers optimal performance and efficiency every time, with precise design services, superior workmanship, and premium quality materials. When you choose a quality design and installation, your HVAC system in New Hampshire will perform at its best to save you energy and keep your home comfortable all year.
Steve
Bergeron Mechanical Systems was recommended by a friend for their installations of heat pump systems. Once we reached out to them, every aspect of our experience was just as described. They responded immediately to our inquiry, sent someone to meet with us within a few days and installed a unit about a week after. We […]
Anne
What a delightful, competent, and respectful team! Great experience from soup to nuts and John even solved a puzzle about why the electrical system is set up the way it is in my 1935 cottage. Bravo!
John
I can not thank Bergeron Mechanical and their team enough for the design and installation of a Mitsubishi Electric air handling system in my home:Eric on the design, Evan, Jay and Pete on the installation. This team travelled to Northern NH to get this job done. The whole company bleeds professionalism. They are beyond exceptional. […]
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Book your free design consultation now.
No pressure, no hidden costs—just expert guidance tailored to your home.
