When you choose quality, you live better

CONTACT US | 603-563-8305

Chester's Trusted HVAC Company

Name: Bergeron Mechanical Systems
Address: 216 Marlboro St, Keene, New Hampshire, 03431, US
Telephone: 603-563-8305

Heating and air conditioning in Chester, NH starts with understanding the home. Bergeron Mechanical Systems designs Mitsubishi Electric mini-split systems tailored to each property — for families upgrading an old setup as much as those building from scratch. With over 50 years of experience and Mitsubishi Electric Diamond Elite Contractor status, we deliver Smarter Energy Performance, season after season.

Full Chester NH HVAC Services for Every Home

Bergeron Mechanical Systems handles year-round heating and air conditioning in Chester, NH through Mitsubishi Electric mini-split and heat pump installations. Mitsubishi Electric is the only brand we install, and every project starts with a design built around the specific home, not a one-size approach. Whether you're upgrading an old system or building something new, the systems we install deliver reduced energy usage in every season.

Mitsubishi Electric Mini-Split Systems

A Mitsubishi Electric mini-split is built for year-round heating and cooling from a single ductless system. The setup uses less energy than traditional HVAC equipment, runs quietly, and delivers Smarter Energy Performance season after season. For homeowners upgrading old equipment, a Mitsubishi Electric system brings comfort that fits the home and the way the family lives in it.

Mitsubishi Electric Heat Pump Systems

Mitsubishi Electric heat pumps are built around a single principle: moving heat instead of generating it. The system transfers warmth from one place to another, handling both heating and cooling without producing heat the way older equipment does. The result is reduced energy usage, quiet and clean operation, and consistent performance from one Mitsubishi Electric installation.

How Our Chester HVAC Process Works

Free Design Consultation

A Bergeron Mechanical Systems design team member comes to your home, listens to what you want from your system, and recommends the right Mitsubishi Electric setup. The visit is free, and a written estimate is part of the consultation.

Professional Installation

Our installation team handles the full setup of your Mitsubishi Electric mini-split or heat pump system. Mounting, electrical work, and commissioning are all part of the project, on a timeline confirmed with you ahead of time.

Handoff & Ongoing Support

When your system is up and running, the team walks you through how to use it, cleans the work area, and answers any questions before leaving. Follow-up help is available whenever you need it.

Want to upgrade the comfort in your Chester home? A free design consultation with Bergeron Mechanical Systems is the place to start. We visit your property, assess your space, and provide a written estimate with no commitment.

Why Chester Homeowners Choose Bergeron Mechanical Systems

Mitsubishi Electric Diamond Elite Contractor

A Mitsubishi Electric Diamond Elite Contractor is held to standards Mitsubishi Electric sets and verifies. Bergeron Mechanical Systems carries that certification, which means our technicians are trained on Mitsubishi Electric systems, stay current through ongoing training, and install every system to manufacturer standards. The result is consistent installation quality, project after project.

One Mitsubishi Electric System. Full Coverage.

One Mitsubishi Electric system means year-round comfort that doesn’t depend on coordinating two separate setups. The equipment shifts between heating and air conditioning on its own, which keeps daily life simpler. Designed for Comfort. Engineered for Efficiency. That’s the principle behind every Mitsubishi Electric installation.

Labor Included. 12 Full Years.

For over half a century, we’ve served families across New Hampshire and Vermont as a family-owned, locally operated company. Generations of customers across the region have worked with our team, and more than 500 Google reviews speak to what that depth of experience produces. Our four core values, safety, quality, delivery, and fair pricing, guide how every Mitsubishi Electric installation gets done.

A Trusted NH & VT HVAC Company Since 1973

The Locally Trusted Choice for Over Half a Century

Carolyn M.

John, Pete and Adam did an excellent installation this morning of the Mitsubishi Minisplit. 4 hours start to finish attention’s to detail, good explanations and highest level of professionalism.

Melissa H.

Highly recommended for heat pumps. From initial meeting with Monique we were given information and advice to get the best option for us. The installation team of John, Mitchell, Nils, and Lincoln were efficient and professional. They took care in our home and were friendly and helpful.

Christina L.

The Bergeron team showed up to install mini-splits at our house. What a great team. They were very pleasant, helpful efficient, and we highly recommend their services. In particular, I want to call out Lincoln, Adam, Mitchell, Justin, John, Nils, and Peter. Thank you! See you next time.

Frequently Asked Questions

Why does Bergeron Mechanical Systems hold Mitsubishi Electric Diamond Elite status?

Bergeron Mechanical Systems holds Mitsubishi Electric Diamond Elite Contractor certification because we meet the requirements Mitsubishi Electric sets: product-specific technician training, ongoing education to stay current, and installations performed to manufacturer standards. For Chester homeowners, the certification is what ties the work directly to the standards Mitsubishi Electric requires.

How does the 12-year Total Home Comfort Warranty protect Chester homeowners?

The 12-year Total Home Comfort Guarantee is how Bergeron Mechanical Systems backs every Mitsubishi Electric installation in Chester. The program is built around parts and labor warranties on Mitsubishi Electric components, with Mitsubishi Electric covering the parts and Bergeron Mechanical Systems covering the labor for the full 12 years.

Can Chester homeowners access rebates or financing for a Mitsubishi Electric installation?

Yes, Chester homeowners have access to rebate programs and financing options for qualifying Mitsubishi Electric installations through Bergeron Mechanical Systems. What’s available depends on the equipment, the project’s location, and when the install takes place. Reach out to our team for accurate, current details.

How does Bergeron Mechanical Systems handle an installation from start to finish in Chester?

The process starts with a free in-home design consultation, where a Bergeron Mechanical Systems team member visits your Chester home and builds a recommendation around the property. Once the design is confirmed and permits are pulled, the install team handles the full Mitsubishi Electric system setup, with Total Home Comfort Guarantee included from day one.

HVAC Services Throughout Chester, New Hampshire

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Chester's Trusted HVAC Company