Are You Looking for HVAC Contractors in Exeter, NH?

Key Heating & Air Conditioning provides comprehensive HVAC services including system installation, maintenance, and repairs for residential properties across New England. Specializing in energy-efficient heating, cooling, and geothermal solutions, we combine technical expertise with personalized service to ensure optimal home comfort. Our EPA-certified technicians deliver reliable service backed by 24/7 emergency support and financing options.

Palmer and Sicard is a leading mechanical contracting firm specializing in HVAC, plumbing, and sheet metal services across Northern New England. Founded in 1954, we deliver tailored design-build solutions and 24/7 maintenance to commercial clients, combining technical expertise with employee-owned accountability. Our commitment to quality, safety, and customer satisfaction drives long-term partnerships with businesses and communities.

K & S Plumbing & Mechanical provides expert plumbing, heating, and cooling services in Brentwood, NH. Specializing in gas, water, and sewer installations, along with HVAC maintenance and emergency repairs, we deliver reliable solutions for residential and commercial properties. Our licensed technicians use advanced technology and eco-friendly practices to ensure safety, efficiency, and customer satisfaction.