What services does MASI Plumbing, Heating & A/C offer?

MASI Plumbing, Heating & A/C specializes in AC Repair, HVAC Installation, Heating Repair and Installation, Plumbing, Bathroom Remodeling, and more. They serve the Merrimack, NH and Amherst, NH communities.

How long has MASI Plumbing, Heating & A/C been in business?

MASI Plumbing, Heating & A/C has been serving the southern New Hampshire area since

What types of HVAC systems do they install and service?

MASI Plumbing, Heating & A/C installs and services a wide range of HVAC systems, including air conditioning, heat pumps, hybrid systems, ductless systems, high velocity systems, and more.

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MASI Plumbing, Heating & AC

$1.2M revenue • 6 employees • 36 E Otterson St, Nashua, NH, 03060, United States

Last Updated Aug 21, 2026

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Company Overview

Company Name

MASI Plumbing, Heating & AC

Address

36 E Otterson St, Nashua, NH, 03060, United States

Website

masiplumbing.com

Phone

(603) 889-2331

Approx. Annual Revenue

$1.2M

Employees

Established

2008

Google Reviews

4.3 (94 reviews)

Google Business Category

HVAC contractor

About MASI Plumbing, Heating & AC

MASI Plumbing, Heating & A/C is a well-established company based in Nashua, NH, providing a range of services including AC repair, HVAC installation, heating, plumbing, and bathroom remodeling. Serving southern New Hampshire since 1964, the company offers expertise, quality brands, and 24/7 emergency service to its customers.

Business Profile

Read from the MASI Plumbing, Heating & AC website on Oct 12, 2026. Hover an item to see the exact wording it came from.

How MASI Plumbing, Heating & AC works

24/7 emergency serviceⓘ
Free estimatesⓘ

Ownership (as declared by the business)

Family-owned

About the website

Website quality (AI-assessed): 8/10 · Current copyright 2026; Detailed service and contact forms

Recent changes

What changed on the MASI Plumbing, Heating & AC website and Google listing, as detected by Coldlytics on each visit.

Oct 13, 2026
Google Business category is now HVAC contractor
Oct 13, 2026
Google reviews went from 92 to 94
Oct 13, 2026
Google rating went from 4.4 to 4.3

Coldlytics tracks changes like these across millions of businesses, so you can reach companies the moment they add a pixel, start hiring, or switch software.

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Integrations

MASI Plumbing, Heating & AC

Company Overview

Company Name

Address

Website

Phone

Approx. Annual Revenue

Employees

Established

Google Reviews

Google Business Category

About MASI Plumbing, Heating & AC

Business Profile

How MASI Plumbing, Heating & AC works

Ownership (as declared by the business)

About the website

Recent changes

HVAC Companies near Nashua, NH

Frequently Asked Questions about MASI Plumbing, Heating & AC

What services does MASI Plumbing, Heating & A/C offer?

How long has MASI Plumbing, Heating & A/C been in business?

What types of HVAC systems do they install and service?

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Technologies Used

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