Even the tiniest of holes or leaks at the seams of a duct system wastes a tremendous amount of energy. In the average home in Southern New Hampshire and parts of Massachusetts, twenty to thirty percent of the heated/cooled air that travels through the ducts escapes, resulting in higher utility bills, diminished comfort, air quality concerns, and even safety risks. A properly-designed and effectively sealed duct system is a priority. However, because ducts are typically concealed within walls, ceilings, attics, crawlspaces, and basements, access is a challenge for homeowners and do-it-yourself repairs often result in further damage.

Improve Home Efficiency With Expert Duct Sealing Service!

Absolute Mechanical Systems combines cutting-edge technology with industry-proven strategies to seal the entirety of the duct system without any major disruption to your home. Contact us at (603) 249-9800 for thorough inspection, honest recommendations and a job done quickly and done right. Our NATE-certified professionals provide expert and affordable duct sealing anywhere across 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. If you’re dealing with high monthly costs, rooms that are a challenge to heat/cool, stuffy spaces, excessive airborne dust, or ducts located in unconditioned space, don’t take chances. As a family operated business, Absolute Mechanical Systems provides straightforward solutions you can trust.

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.

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