Mitsubishi Ductless. Installed with precision.

NH’s Local Mitsubishi ductless installation specialists.

More NH homeowners and business owners are choosing Mitsubishi for their mini-split ductless system. They’re also choosing a reliable and local Mitsubishi Diamond Dealer, GSMS! We’ve proudly been installing and servicing Mitsubishi systems for 20+ years.

As your local Mitsubishi Diamond Dealer installer, you can rest assured our team of Service Specialists will assist you in installing a reliable system that will last you many years to come. From single zone systems to IT server room cooling solutions, we’ve done it.

Learn more about our family business and how we have been proudly serving our New Hampshire neighbors for over 35+ years.

Schedule a Free Project Design Visit!

We offer a unique site visit that’s not about selling you equipment:

System Design Customized For Your Home

Absolutely No Sales Pressure

Solutions to Fit Almost Any Budget

Heat pumps can be a great option to meet your home’s year-round comfort and energy efficiency needs. Gaining early popularity in the 1970s, previous generations of these systems were mainly considered for milder climates. Modern heat pumps, especially variable speed mini-split heat pumps, are reliable and sustainable, providing high-performance heating and air conditioning to NH homes. The system consists of an indoor air handler, which can be ducted or ductless, and an outdoor condenser unit.

Watch this brief video from Mitsubishi to learn more!

How does a heat pump mini-split work?

Ductless is better in many ways.

Your Bedford or surrounding area home can provide you with year round, efficient comfort for many years to come. Choosing Mitsubishi and GSMS is the smart investment in electrifying your home.

  • Responsive home HVAC systems adjust automatically to maintain better comfort.

  • Low-energy residential HVAC systems are up to 40% more efficient.

  • Targeted home heating and cooling systems allow you to set each room to the perfect temperature.

a promise you can trust, that’s us.

Our worry free promise that every Mitsubishi Heat Pump we install will come with an upfront & honest price, a team of Installation Specialists who are trained & certified, a commitment to providing the most advanced products & services possible, and that all our work we complete will last. It’s part of our mission to redefine home service.

Considering an all electric home is realistic with Mitsubishi & GSMS.

Even in our cold New Hampshire winters, today’s heat pumps can keep your family comfortable and help preserve your home’s value. If you live in an area with extreme cold-weather conditions – not to worry! Mitsubishi Electric offers heat pump systems with Hyper-Heating INVERTER® (H2i®) technology which can provide up to 100 percent of heating capacity at 5° F and continue operation down to -13° F even without auxiliary heat.

While conventional heating systems rely on fossil-fuel burning furnaces and boilers to provide heating, Mitsubishi Electric’s high-performance heat pumps are an efficient and environmentally friendly way to keep your family cozy year-round.

While heat pumps have been around for generations, today’s all-electric high-performance models provide superior comfort for your home, exceptional energy savings and environmental stewardship.