Your comfort, our commitment

Welcome to Williamson Mechanical, your trusted HVAC experts in central New Hampshire. We specialize in servicing, repairing, and installing heating and cooling units, ensuring your home or business stays comfortable year-round. Experience quality service with a personal touch. Let us take care of your HVAC needs with professionalism and expertise.

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Or call us directly at:

(603) 530-1426

Expert hvac solutions

At Williamson Mechanical, we provide comprehensive HVAC services tailored to meet your specific needs. From routine maintenance to emergency repairs and new installations, our certified technicians are equipped to handle it all. We pride ourselves on delivering reliable, efficient, and cost-effective solutions, ensuring your complete satisfaction.

Our services

Williamson Mechanical offers a full spectrum of HVAC services to keep your systems running smoothly. Whether you need a quick repair, regular maintenance, or a complete system upgrade, we’ve got you covered. Our goal is to provide exceptional service and ensure your indoor environment is always comfortable and healthy.

Maintenance

Keep your HVAC system running efficiently with our comprehensive maintenance services. We offer routine check-ups, filter replacements, and system tune-ups to prevent costly breakdowns and extend the lifespan of your equipment.

Repair

Experiencing issues with your HVAC system? Our skilled technicians are available for fast and reliable repairs. We diagnose and fix problems efficiently, ensuring your comfort is restored as quickly as possible.

Installation

Upgrade your HVAC system with our professional installation services. We offer a wide selection of energy-efficient units and ensure proper installation for optimal performance and energy savings.

Heating and cooling

From furnaces to air conditioners, and mini split units, Williamson Mechanical is your one-stop solution for all your heating and cooling needs. We provide expert services to keep your systems running efficiently year-round.

About us

Williamson Mechanical is a locally owned and operated HVAC company based in central New Hampshire. We are dedicated to providing top-quality HVAC services with a focus on customer satisfaction. Our experienced team is committed to delivering reliable and efficient solutions for all your heating and cooling needs. Trust us to keep your home or business comfortable and safe.

Learn more

Ensuring your comfort, season after season

At Williamson Mechanical, we understand the importance of a comfortable indoor environment. That's why we're committed to providing exceptional HVAC services that meet your specific needs. From expert repairs to energy-efficient installations, we ensure your heating and cooling systems are running at their best, all year round.

"Williamson Mechanical provided prompt and professional service when our AC broke down during a heatwave. They quickly diagnosed the issue and had it fixed in no time. Highly recommend!"

Sarah Miller

"We recently had Williamson Mechanical install a new furnace, and we couldn't be happier with the results. The installation was smooth and efficient, and our home is now much warmer and more comfortable."

John Carter

"I've been using Williamson Mechanical for years for all my HVAC needs. They are always reliable, honest, and provide excellent service. I wouldn't trust anyone else with my heating and cooling systems."

Emily Davis

Contact us

Location

Plymouth, New Hampshire, 03264
United States