Air Conditioning Repair

AC Repair & Service in Southern New Hampshire

Family owned and operated, MASI Plumbing, Heating & A/C is a local HVAC dealer with ties to the community. We take very good care of our friends and neighbors, earning your satisfaction with unequalled workmanship and value. Our goal is not a temporary solution that will cost you more in the end. We target maximum system cooling capacity, efficiency, reliability, and sustainability. When you want the job done right, simply call (603) 889-2331, and we’ll handle the rest. MASI Plumbing, Heating & A/C remains available for emergency situations 24/7 throughout Nashua, Milford, Amherst, Hudson, & Merrimack, NH.

Why choose MASI Plumbing, Heating & A/C for air conditioner repair?

Start with a friendly voice and let us set up a prompt and convenient time for a free estimate. We’ll follow up accurate diagnosis of all makes and models of cooling systems with flat rate pricing. Eliminating unpleasant surprises, our technicians tell it to you straight and offer cost-effective recommendations. We arrive prepared for the job and utilize industry-leading technology to restore peak equipment performance as quickly as possible. Contact us anytime for A/C repair, maintenance and installation, including ductless HVAC and hybrid heat pump systems.

Central Air Conditioning Repair Nashua, NH | Air Conditioning Repair Hudson, NH | HVAC Repair 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

Central AC Repair ∴ HVAC Repair ∴ Central Air Conditioning Repair ∴ Nashua, NH ∴ Merrimack, NH ∴ Amherst, NH

Air Conditioner Repair, AC Repair Near Me, Air Conditioning Repair & AC 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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Central AC Repair

Central Air Conditioning Repair

HVAC Repair

Hollis, NH

Bedford, NH