Heating Repair

Why call MASI Plumbing, Heating & A/C at (603) 889-2331 for heating repair in Southern New Hampshire?


Start with a free estimate. Take advantage of flat rate pricing. Benefit from our 57 years of dedication. Our highly trained and experienced technicians are proficient in all types, models, and brands of heating equipment. Expect us to show up on time, in uniform, and prepared for the job. We utilize state-of-the-art technology to complete swift analysis and follow-up with honest and knowledgeable recommendations.

Furnace Repair Near Me Amherst, NH | Furnace Repair Hudson, NH | Emergency Heating Service Merrimack, NH

Family owned and operated, MASI Plumbing, Heating & A/C is a local company with ties to the community. We are dedicated to providing our friends and neighbors with unmatched quality, value, and rewards. Every job is held to strict standards of integrity.

Trust in our team for all your heating repair needs!

Our goal is not a temporary fix but peak efficiency, capacity, reliability, safety, and longevity from your essential heating equipment. Don’t settle. Don’t hesitate. MASI Plumbing, Heating & A/C specializes in ideal comfort, and we remain on-call to serve your needs 24/7, offering Emergency Repairs throughout Nashua, Milford, Amherst, Hudson, & Merrimack, NH.

Furnace Repair Near Me & Heating Repair in Amherst, NH | Emergency Heating Service in Milford, NH | 24 Hour Furnace Repair Hudson, 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

24 Hour Furnace Repair ∴ Furnace Repair Near Me ∴ Emergency Heating Service

Furnace Repair & Heating Repair Hudson, NH, Milford, NH, Nashua, NH, Amherst, NH & Merrimack, 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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Furnace Repair Near Me

Emergency Heating Service

24 Hour Furnace Repair

Bedford, NH

Amherst, NH

Nashua, NH

Hollis, NH

Hudson, NH

Merrimack, NH

Milford, NH