Duct Repair & Maintenance

Top Quality Duct Repair & Maintenance Services

Are you aware that the breathing air in your home circulates through the heating and cooling system approximately six times per day? The integrity of the duct system should be a priority. Over time, dust, mold, bacteria, and all sorts of harmful toxins can accumulate within the ducts, restricting air flow, increasing strain on HVAC equipment, and threatening your family’s health. Small holes or leaks at the seams allow conditioned air to escape, diminishing comfort and increasing energy bills. Everything from poor design to wear and tear impacts temperature control, air quality, budget, and the overall performance of heating and cooling equipment.

Contact MASI Plumbing, Heating & A/C for Air Duct Repair & Service

Make sure your duct system is operating at its best. Count on the professionals from MASI Plumbing, Heating & A/C for a full range of duct services in Southern New Hampshire. Our licensed, experienced, and specialized technicians are prepared to resolve the biggest challenges quickly and effectively. From proactive maintenance to skilled repair, MASI Plumbing, Heating & A/C is the right choice for unmatched value. We deliver long-term solutions to everyday problems. Family owned and operated, we offer free estimates, flat rate pricing, and 24/7 Emergency Assistance across Nashua, Milford, Amherst, Hudson, & Merrimack, NH.

Serving Southern New Hampshire

  • Wilton
  • Milford
  • Amherst
  • Mont Vernon
  • Brookline
  • Hollis
  • Nashua
  • Hudson
  • Litchfield
  • Bedford
  • Manchester
  • Derry
  • Londonderry
  • Windham
  • Pelham
  • Salem

We service all makes and models

  • TRANE
  • AMERICAN STANDARD
  • FUJITSU
  • BRADFORD WHITE
  • RINNAI
  • MITSUBISHI
  • NAVIEN
  • STATE
  • BOSCH
  • CARRIER/BRYANT
  • LENNOX
  • LG
  • YORK
  • BURNHAM
  • WEIL MCLAIN
  • BUDERUS
  • VIESSMANN
  • UTICA
  • KOHLER
  • TOTO
  • STERLING
  • MOEN
  • DELTA
  • GROHE

Maintenance Plans

Our technicians are New Hampshire licensed certified heating and cooling experts.

Maintenance Plan Details

Financing Options

Convenient monthly payments, with resolving line of credit you can use over and over again.

Finance your project

Air Duct Installation ∴ Duct Repair ∴ Air Duct Repair ∴ Duct Services ∴ Amherst, NH ∴ Hudson, NH ∴ Milford, NH

Duct Services, Air Duct Installation, Duct Repair & Air Duct Repair Nashua, NH, Hudson, NH, Merrimack, NH, Milford, NH & Amherst, NH

Write a Review Write a Review

Paula L.

Came home to my central a/c not working. After checking a few things, I called Masi Plumbing, based off of consumer reviews here. The person who answered the phone was accommodating to my needs and had a service person here super promptly! The service person was very friendly, highly informative and fixed the issue promptly- and not at a high cost either! Will def be calling them for our needs again, and referring them as well. Thanks a million Masi Plumbing!

Susan C.

My pipes froze and burst on a Sunday evening. I called several plumbers who would not give me the time of day. MASI Plumbing to the rescue! They sent a plumber (Nick) out immediately who was able to repair the broken pipes that evening, even though though he had already worked all day! A huge thank you! I highly recommend MASI Plumbing and will be using them exclusively in the future.

Christine C.

Bought a new boiler system from them this year and they gave us the most comprehensive quote for the right work (pointed out the need for fresh air and a new oil line which we knew were needed) at a good price. Unfortunately one of our parts in the system failed, but they had it replaced and our system up and running within 2 hours, and covered under warranty, so no cost to us. They have always been very friendly, down to earth, but professional. Great to work with!

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Merrimack, NH

Amherst, NH

Bedford, NH

Hudson, NH

Milford, NH

Hollis, NH

Nashua, NH