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Gilford NH HVAC Service

Your Local HVAC Experts

Key Heating and Cooling: Trusted HVAC Services in Gilford, NH Since 1993

Your #KeytoComfort in Gilford, NH. Offering 24/7 heating, cooling, geothermal, and generator services. Call us for prompt solutions! At Key Heating and Cooling, we take pride in serving the beautiful town of Gilford, nestled in the picturesque Lakes Region of New Hampshire, just next to the stunning Lake Winnipesaukee. With roots servicing the Lakes Region and Seacoast of NH dating back to 1993, our commitment to providing top-notch heating and cooling services has stood the test of time.

Why Choose Key Heating and Cooling?

  • 24/7 Availability: We are available around the clock, ensuring you have access to our services whenever you need them.

  • Impeccable Customer Service: Our customer-focused approach includes quick solutions tailored to your situation.

  • Flexible Payment Options: We offer convenient financing and payment options to make your experience with us easy and straightforward.

  • Decades of Experience: With three decades of experience, we bring unmatched expertise to meet all your heating and cooling needs.

  • Local Expertise: As a part of the Alton community, we understand the unique climate and heating requirements of both vacation homes and year-round residences.

Brands we Service and Install

Our certified technicians are experienced in servicing and installing a wide range of all major brands, including but not limited to York, Bryant, Mitsubishi, Samsung, Bosch, Buderus, WaterFurnace geothermal and water heaters, and Generac Generators. Whatever your preferred brand, trust us to deliver top-notch service.

Services in Gilford, NH

Heating Services: Whether you're gearing up for a chilly winter or need a reliable heating system for your vacation home, Key Heating and Cooling has you covered. From furnace installations to boiler repairs, our skilled technicians ensure your home stays warm and comfortable.
 Cooling Services: Stay cool during the summer months with our efficient cooling solutions. From air conditioner installations to regular maintenance, we prioritize your comfort, ensuring a refreshing indoor environment year-round.
 Geothermal Services: Comprehensive geothermal design and installation to meet the unique needs of your Gilford home, ensuring maximum efficiency and comfort from start to finish.
 Generator Services: Reliable backup generator maintenance, repair, and installation services giving you the power of comfort for your Gilford home.

24/7 Emergency HVAC Services

We understand that heating and cooling issues can arise at any time. That's why we offer 24/7 emergency HVAC service. Call Key Heating and Cooling at 603-436-8811 or text us at 938-444-4537 for a prompt response. Our technicians are ready to head to your Alton home, providing solutions to any heating, or air conditioning problem.

Lakeside Serenity Meets Year-Round Adventure in Gilford, NH

Nestled along the shores of Lake Winnipesaukee, Gilford, NH, is a charming small town that captures the essence of New England beauty. With a mix of vacation homes and year-round residents, Gilford offers a picturesque backdrop for those seeking tranquility and adventure. Gilford is a haven for outdoor enthusiasts. In the winter, the town comes alive with the thrill of Gunstock Ski Area. Enjoy the slopes with skiing and tubing, providing exhilarating experiences for all skill levels. As the snow melts away, Gunstock transforms into a summer paradise offering hiking trails, bike and 4x4, and a zipline or mountain coaster for those seeking an adrenaline rush. Take a scenic ride on the ski lift at Gunstock to witness the breathtaking fall foliage that blankets the landscape in a vibrant tapestry of colors. Peak leaf season is between Late September and middle of October each year. It's a picture-perfect moment capturing the true essence of New Hampshire's autumn charm.
For those seeking lakeside serenity, Ellacoya State Park is a must-visit destination. Located on the shores of Lake Winnipesaukee, the park offers sandy beaches, picnic areas, and opportunities for water recreation. It's the perfect spot to unwind and embrace the natural beauty that surrounds Gilford.

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Gilford is also home to the renowned Bank of NH Pavilion. This iconic venue hosts a variety of music concerts and events throughout the year, drawing crowds from near and far. It's a hub of entertainment that adds vibrancy to Gilford's cultural scene.
While you are out visit Patrick's Pub, a warm and welcoming spot where locals and visitors come together. Enjoy a delicious meal, unwind with friends, and experience the heart of Gilford's community.

From heating to air conditioning to air purification systems and thermostats, Key Heating & Air Conditioning has been servicing and installing all major brands for over 25 years. There is no heating or air conditioning problem we can’t fix. We’re available 24 hours a day, 7 days a week. Just call us at 603-436-8811, or text us at 938-444-4537 for a speedy response and a technician headed to your Gilford home.


At Key Heating & Air Conditioning we take pride in our work and making sure our customers are comfortable in their homes. We will treat your home as our own, keeping your floors clean and our workspace tidy. We offer impeccable customer service with quick solutions customized to your situation. Our service is backed by over 25 years of delighting homeowners in Gilford. Our certified technicians make your comfort a priority.


Our 24/7 emergency HVAC service is a large part of that because you can consistently rely on our company to answer your call personally. We offer flexible payment options, convenient scheduling, and personalized customer service to make your experiences with us easy and straightforward.


Whether we’re resolving problems or preventing new ones, we’re happy to work with you on any aspect of your heating and cooling needs. No matter where you are in the Gilford area, give us a call at any hour of the day, and we’ll be there for you.

Safety & Efficiency Membership

Safety & Efficiency Membership

Save money on all your annual tune-up services, emergency repairs and more with our exclusive Safety & Efficiency Membership.

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