Heating Repair & Furnace RepairHollis, NH, Milford, NH, Greenville, NH, Pepperell, MA, Nashua, NH & Townsend, MA

For heating repair in Southern New Hampshire and parts of Massachusetts, Absolute Mechanical Systems is the right call to make. Whatever the model, style, or age of your heating system, we prioritize cost-effective and lasting solutions. Equipped with industry-leading technology, our NATE-certified team completes accurate diagnosis, pinpoints problems, and provides honest answers.

Heating Repairs From An Expert Team!

We don’t up-sell on a replacement you don’t need, and never settle for a quick patch that will only lead to a bigger issue and higher cost in the near future. Dedicated to your comfort, Absolute Mechanical Systems is always here to help, 24/7.

Trust in Absolute Mechanical Systems for all your heating system repair needs!

Absolute Mechanical Systems is a family run company. We take a great deal of pride in serving the best interests of our residential, commercial, and industrial clients 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. Give us a call at (603) 249-9800 for higher integrity of quality. We handle the repair of furnaces, heat pumps, boilers, ductless units, high velocity HVAC systems, and geothermal equipment, focusing on efficient, safe, and reliable operation. Take advantage of our expertise, and we’ll further earn your satisfaction with affordable pricing, tidy job sites, prompt response, and swift turnaround.

Serving Southern New Hampshire and parts of Massachusetts

Heating RepairFurnace 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