Air Conditioning Repair & AC RepairNashua, NH, Townsend, MA, Mont Vernon, NH, Ashby, MA, Groton, MA & Wilton, NH

For anything from minor complaints to complete failure, Absolute Mechanical Systems is your trusted choice for air conditioner repair in Southern New Hampshire and parts of Massachusetts. We’re experienced in all types of problems with any model, style, or age of cooling system, and our NATE-certified technicians target cost-effective and long-term solutions.

Dependable Air Conditioning Repairs

We’ve outfitted our highly trained team with cutting-edge technology, specialized tools, and a comprehensive inventory to ensure accurate diagnosis and swift resolution. There’s no pressure for unnecessary replacement and no fear of a quick patch that won’t last the season. Absolute Mechanical Systems is dedicated to higher integrity of service.

Stay cool with regular A/C system repairs in Brookline, NH, Hollis, NH, Milford, NH, Townsend, MA, Pepperell, MA, Amherst, NH, Wilton, NH, Mont Vernon, NH, Greenville, NH, Groton, MA, Ashby, MA, Dunstable, MA, Lunenburg, MA, and Nashua, NH!

Established in 1998, Absolute Mechanical Systems is a family run company. Our personalized approach extends to every service we provide and adds up to customer satisfaction throughout Brookline, NH, Hollis, NH, Milford, NH, Townsend, MA, Pepperell, MA, Amherst, NH, Wilton, NH, Mont Vernon, NH, Greenville, NH, Groton, MA, Ashby, MA, Dunstable, MA, Lunenburg, MA, and Nashua, NH. Contact us at (603) 249-9800 for prompt response, conscientious job sites, competitive pricing, and malfunctions resolved without repeated visits. Our commitment to your comfort and convenience doesn’t punch a time-clock. We remain available for Emergency Service, 24 hours a day, 365 days per year, whenever you need us.

Serving Southern New Hampshire and parts of Massachusetts

Air Conditioning RepairAC Repair

Our Happy Customers

Don’t take our word for it, here’s what our clients have said about Absolute Mechanical Systems

Write a Review

We were so pleased with the service and attention to detail. The staff and installers were amazing.

J. Faucher

Outstanding service second to none. Quick response, and never a hassle. They do quality work at a better than fair price. Highly recommend for heating and ac needs.

D. Gorgolione

Without question, the very best experience I’ve ever had with any specialty service business. If you live anywhere near Brookline and are in need of these types of services, I strongly recommend going to Absolute first.

S. Huffman

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Special Offers

If you're looking for more value from your HVAC contractor, Absolute Mechanical Systems will deliver it. Browse our current specials and see how you can save.

More Special Offers

With new installation of Furnace & AC you get TWO FREE items below:

Whole house air cleaner
Humidifier
Programmable Thermostat
Wifi Thermostat


(603) 249-9800

Not valid with other offers or prior services.

With new installation of Furnace you get ONE FREE item below:

Whole house air cleaner
Humidifier
Programmable Thermostat
Wifi Thermostat


(603) 249-9800

Not valid with other offers or prior services.

Complete Residential & Light Commercial HVAC Services