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Heating and AC Specialists
Merrimack and Amherst, NH

Same-Day Service

Fully Licensed and Insured

Over 40 Years of Experience

Heating and AC Specialists
Merrimack and Amherst, NH

Same-Day Service

Fully Licensed and Insured

Over 40 Years of Experience

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Same-Day Service

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Over 40 Years of Experience

Southern New Hampshire's Trusted HVAC Professionals Since 2010

Paul Mechanical LLC delivers comprehensive heating and air conditioning solutions throughout Southern New Hampshire. As a locally owned, family-operated business with over four decades of experience, we understand the climate challenges our neighbors face. Our NATE certified technicians provide same-day service when you need it most.

We maintain current certifications and complete factory training to service your systems properly. We offer financing options through Synchrony and provide free same-day estimates. Our fully licensed and insured team stands behind every job we complete from new installations to repairs. Contact us today to schedule your service.

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Why Choose Us

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Same-Day Service Available

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Fully Licensed and Insured

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Over 40 Years of Experience

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Free Same-Day Estimates

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Unmatched Quality

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Manufacturer's Warranty on Units

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AC Services
Our air conditioning services keep your home comfortable during hot Southern New Hampshire summers. We handle installations, repairs, maintenance, and replacements with manufacturer's warranties on all units.
Commercial HVAC Services
Paul Mechanical provides complete commercial HVAC solutions for businesses across the region. Our team works with insurance companies to manage paperwork and claims processes, minimizing disruption to your operations.
Heating Services
From furnace repairs to complete heating system installations, we deliver reliable warmth when temperatures drop. Our technicians provide seasonal maintenance tips to help you optimize system performance and efficiency.
Water Heating Services
We install and service water heaters to ensure your home or business has consistent hot water year-round. You can choose from traditional tank systems or modern tankless units, and we'll make sure it's installed correctly and built to last.

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Recent Projects

Outdoor mini-split heat pump unit mounted on a raised platform beside a house wall and window
Ceiling-mounted HVAC unit in an unfinished room with exposed beams and insulation.
Unfinished barn interior with exposed wooden beams, metal ducting, and scattered construction materials
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Here's what our satisfied customers are saying...

At Paul Mechanical, we take pride in providing exceptional HVAC services to our customers. We would be grateful if you could share your thoughts about our HVAC business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of Paul Mechanical and let others know what you think.