Business Details
33 Years
experience
Emergency
services
Your Trusted HVAC Partner in New England
Since 1993, Key Heating & Air Conditioning has been a trusted provider of comprehensive heating, cooling, and air quality solutions for New England homeowners. As a family-owned, award-winning business, we combine over 150 years of collective expertise with factory-trained technicians to deliver energy-efficient systems, including geothermal and ductless options. Our commitment to excellence is reflected in our 24/7 emergency service, free home energy assessments, and BBB A+ rating.We prioritize ongoing technician training, environmental responsibility through refrigerant management, and customer-centric financing options. With service locations in the NH Seacoast, Lakes Region, and Southern ME, we guarantee satisfaction through personalized consultations, precision maintenance, and a 100% customer satisfaction pledge on every project.
Services
Heating Solutions
Cooling Solutions
Geothermal Systems
Ductless Solutions
Radiant Heating
Hot Water Solutions
Thermostat Solutions
Indoor Air Quality
Backup Generators
HVAC Maintenance
Details
- Year established: 1993
Highlights and features
- We offer 24/7 emergency HVAC services with no additional fees
- Our team has over 150 years of combined experience in heating and cooling solutions
- We are BBB A+ rated for customer service and reliability
- EPA-certified technicians ensure environmentally responsible service
- Free home energy assessments and financing options available
Associations and certifications
- Better Business Bureau (BBB)
What people say
Great Support
Very knowledgeable
Outstanding job
Thorough work
Excellent service
Services
Heating Solutions
We provide comprehensive residential heating services including system installation, repairs, and maintenance. Our factory-trained technicians handle furnaces, boilers, and heat pumps with energy-efficient upgrades available. Serving New England's variable winters since 1993, we guarantee satisfaction through free home analyses and custom proposals.
Cooling Solutions
Our 30+ year experienced team installs and services central air and ductless cooling systems. We offer energy-efficient replacements with Energy Star rebates, emergency repairs, and seasonal maintenance. With 24/7 service availability, we ensure optimal cooling performance throughout New England's humid summers.
Geothermal Systems
As New England's largest residential geothermal provider, we install earth-source heat pump systems that reduce emissions by 70%. These systems provide both heating and cooling through ground temperature stability, qualifying for federal tax credits up to 30% of installation costs through 2032.
Indoor Air Quality
We combat household pollutants with advanced air purification systems that remove mold spores, pet dander, and allergens. Our solutions include whole-home air cleaners and humidity control systems like the AprilAire 865 Steam Humidifier for healthier living environments.
Backup Generators
Our certified electricians install whole-house Generac backup generators that automatically activate during power outages. These systems ensure continuous HVAC operation and essential home functions, with customized sizing and professional installation services.
Questions
What areas do you service?
We serve the NH Seacoast, Lakes Region, and Southern ME with prompt HVAC service and installations.
Do you offer emergency HVAC service?
Yes, we provide 24/7 emergency HVAC repairs with no additional fees for after-hours service.
Are financing options available?
We offer equipment financing with credit approval to help homeowners complete necessary HVAC upgrades.
What membership plans do you offer?
Our Safety & Efficiency Membership includes maintenance discounts, priority scheduling, and repair savings with three tiered options.
Do you install geothermal systems?
Yes, we're New England's largest residential geothermal installer with federal tax credit expertise for system installations.
Are your technicians certified?
All technicians are EPA-certified with factory training from leading HVAC equipment manufacturers.
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