Get the most out of your HVAC system with professional Duct Repair & Maintenance from Absolute Mechanical Systems in Southern New Hampshire and parts of Massachusetts. Very often, issues with comfort, sound levels, air quality, energy efficiency, lengthy running times, and even unpleasant smells can be blamed on the ductwork. Keep in mind, while your heating and cooling equipment shares the workload, the duct system is responsible for the air your family breathes, just about year round. Improper design, minor holes, the buildup of contaminants and any little flaw is a big problem.

Call today for expert duct repair & maintenance service!

As a family operated business, established in 1998, Absolute Mechanical Systems recognizes the impact of ductwork and offers the skilled services to keep this essential network of pipes operating at peak capacity. From ductwork troubleshooting to cleaning, sealing, and repair, we optimize the safety, health, cleanliness, and comfort of your home. Call on Absolute Mechanical Systems at (603) 249-9800 for prompt response, affordable pricing, and jobs completed to exacting standards of quality 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. We’re happy to take a look and provide honest recommendations.

Serving Southern New Hampshire and parts of Massachusetts

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