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Key Heating and Cooling: Trusted HVAC Services in Wolfeboro, NH Since 1993
Your #KeytoComfort in Alton, 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 Alton, 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?
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24/7 Availability: We are available around the clock, ensuring you have access to our services whenever you need them.
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Impeccable Customer Service: Our customer-focused approach includes quick solutions tailored to your situation.
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Flexible Payment Options: We offer convenient financing and payment options to make your experience with us easy and straightforward.
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Decades of Experience: With three decades of experience, we bring unmatched expertise to meet all your heating and cooling needs.
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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 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 Wolfeboro, 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 Alton 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 Alton 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.
Discover Wolfeboro's Charms
Nestled along the shores of Lake Winnipesaukee, Wolfeboro, NH, blends historical charm with modern attractions, offering a delightful mix of dining, shopping, and outdoor recreation. Food lovers can savor fresh seafood at Wolfetrap Grill & Raw Bar, creative dishes at Marker 21, or international flavors at La Boca Restaurant. Downtown boutiques like Black’s Paper Store & Gift Shop and Wolfeboro Casuals offer unique finds, while art enthusiasts can browse The Art Place. Sweet treats await at From Scratch Baking Co. and the iconic Yum Yum Shop. For outdoor lovers, Cate Park provides beautiful lake views and community events, while Wentworth State Park offers hiking, swimming, and fishing. Whether you're dining, shopping, or exploring nature, Wolfeboro’s small-town charm and scenic beauty make it a must-visit destination.
Upcoming Winter Happenings in Wolfeboro

Get ready for an unforgettable evening at the Progressive Ski Dinner, hosted at Abenaki Ski Area, 390 Pine Hill Road, Wolfeboro, NH, on February 15th from 5:00 PM to 6:30 PM. Experience the charm of a candlelit trail as you ski, snowshoe, or walk along our moderate loop, enjoying appetizers, main courses, and desserts served at various stops. Early registration (January 1–15) is $15 for youth and $25 for adults. After January 15, registration is $20 for youth and $30 for adults. Secure your time slot now by visiting Wolfeboro.recdesk.com/community/program. Don’t miss this unique dining experience on the trails.
Contact Key Heating and Cooling Today
For all your HVAC needs in Alton, choose Key Heating and Cooling—your #KeytoComfort since 1993. We're not just your HVAC experts; we're your neighbors. Call us at 603-436-8811 or text us at 938-444-4537 for a speedy response and a technician headed to your Alton home. Thanks for reading and making Key Heating and Cooling your trusted partner in comfort!
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