Key Heating & Air Conditioning

What We Do

Key Heating & Air Conditioning has been proudly serving New England homeowners since 1993. We specialize in providing comprehensive solutions for all your heating, cooling, and indoor air quality needs. Our family-owned and operated business takes pride in delivering exceptional customer service and energy efficiency solutions to homes throughout the NH Seacoast and Lakes Region.

From repairs and maintenance to installations and replacements, we offer a diverse range of services

• Heating: Expert installation, repair, and maintenance of all major heating systems, including boilers, furnaces, heat pumps, and geothermal systems.
• Cooling: Comprehensive services for central air conditioners, ductless systems, and heat pumps.
• Indoor Air Quality: Assessment, diagnosis, and remediation of air quality issues through air filtration, dehumidification, and ventilation systems.
• Preventative Care: Annual inspections and tune-ups to ensure optimal efficiency and prevent costly breakdowns.
• Smart Home Integration: We can seamlessly integrate your heating, cooling, and lighting systems for convenient and efficient control.

Our Expertise and Experience

Our team of factory-trained technicians boasts over 30 years of collective experience in the heating, cooling, and air quality industry. We are certified and licensed to perform all repairs, installations, and maintenance services with the highest level of expertise.

Customer Satisfaction is Our Top Priority

At Key Heating & Air Conditioning, we believe in building strong relationships with our customers. We take pride in providing:

• Personalized and responsive customer service
• Transparent communication and upfront pricing
• Emergency services available 24/7
• Free estimates and consultations
• Comprehensive warranties on all installations and repairs

Our Commitment to Sustainability

We are committed to environmentally responsible practices and utilize recycled materials, manage refrigerants responsibly, and install energy-efficient equipment to reduce our environmental footprint.

Join us on our mission to provide reliable, efficient, and sustainable climate control solutions for your home. Contact Key Heating & Air Conditioning today!