HVAC Services in Exeter, NH
At 603 Mechanical, we keep homes, businesses, and restaurants across Exeter and the Seacoast region comfortable year-round with professional HVAC services. Whether you need a quick AC repair, a furnace tune-up, or a new heating system installation, our certified technicians deliver expert care with a local touch.
Expert Heating & Cooling Solutions for Exeter Homes and Businesses
When temperatures shift in New England, you need dependable heating and cooling you can count on. Our team provides comprehensive HVAC repair, installation, and maintenance for both residential and commercial properties – including restaurants and small businesses. With years of hands-on experience and a commitment to friendly, professional service, we make sure your system runs efficiently when it matters most.
Our HVAC services include:
We work with all major AC units, furnaces, boilers, and refrigeration systems, so your comfort is never left to chance.
Certified HVAC Technicians You Can Trust
603 Mechanical has proudly served the Seacoast since 2020, earning a reputation for honest service and dependable results. Our HVAC repairmen and installers are fully certified specialists who take pride in doing the job right—whether it’s routine maintenance or a full system replacement.
Why Exeter homeowners and businesses choose us:
We service Exeter and surrounding towns including Stratham, Kingston, East Kingston, Newfields, Brentwood, and Kensington.
Serving: Exeter, Stratham, Kingston, East Kingston, Newfields, Brentwood, and Kensington
Choose 603 Mechanical for your HVAC service.
Serving the Exeter area with expert AC repair, furnace maintenance, heater installation, and refrigeration services. Local technicians. Trusted results.