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Large plumbing company
costs got you down?


We have over 20 years of experience in offering professional plumbing and heating services for residential & commercial properties in Merrimack, NH, and the surrounding areas.

Get started with our exceptional plumbing work for your toilets, kitchens, bathrooms, and much more!

Contact us today to get your free estimate!


Our Services

Plumbing Services

From clearing blocked drains and fixing leaky pipes to installing new bathroom fixtures and more.

Heating Services

Our team will go the extra mile to ensure that it is functioning properly and efficiently.

Gas Line Services

Emergency repairs or upgrades with a new gas line installation, we can help!

Water Filter Services

Rest easy knowing that you’ll get all the benefits of clean, refreshing, filtered water streaming from your taps.

Bathtub & Shower

From bathtub leaks and cracks to leaky showerheads and low water pressure, our full-service team can help!

Water Heater

From water heater repairs to new water heater installation, our team can help!

All Of Our Other Services

Plumbing | Bathroom | Remodeling | Drain Installation | Bathtub & Shower Installation | Faucet Installation | Gas Line Pipe Installation | Leak Detection | Toilet Installation | Water Filter | Water Heater Repair | Bathtub & Shower Repair | Garbage Disposal Installation | Sump Pump Installation | Pipe Repair Sink Installation | Toilet Repair | Water Heater Installation

We only know one way to get your business: We work hard and earn it!

We are fast, reliable, trustworthy, and affordable when compared to other large corporate plumbing and heating company.

Call us today: (603) 661-7632

Why Choose JMS Plumbing & Heating?

We Offer
Free Advice

We want to be your longterm trusted advisor. Call us any time!

20+ Years Of

We're professional plumbers and have served countless customers.

Affordable &
Quality Work

We want our service to be affordable and earn your business for the longterm.

Residential &

Whether it's a home or a business, our team can help!


Updates from the JMS Plumbing & Heating team, promotions, and more.

JMS Plumbing & Heating - Merrimack NHJMS News
January 5, 2023

Why Plumbing Should Be A Priority For Your Next Home Improvement

When it comes to home improvement, plumbing should be at the top of your list. Plumbing is one of the most important parts of any home, providing clean water and…
JMS Plumbing & Heating - NHJMS News
September 6, 2022

5 Warning Signs You Need To Repair or Replace Your Heating System

Any home heating system can suffer from wear and tear, but some of them require more attention than others. Here are five warning signs that your system might need to…
JMS Plumbing - RepairJMS News
August 16, 2022

7 Signs That Your Home’s Plumbing Has Issues

Plumbing systems in your home are one of the most important components in any building, and that means they should never be overlooked! Even if you’re not sure what kind…


See what our customers have to say about our services.

Angelique C.

We would highly recommend JMS plumbing for any of your plumbing needs. We will definitely use him for all our plumbing needs. Thank you Jay for great service!

Max E.

We could not be happier with the work he provided. I will not hesitate to reach out to him again for any other job we need in the future.

Lisa M.

I have a beautiful new shower nozzle with no leak at a fair price! Will recommend JMS to all who ask in the future! Thank you Jay!

Jennifer M.

Prompt and his work is very clean. We will certainly use Jay again for plumbing work in the future.

Get in touch with us

We work to be in constant communication with our customers until the job is done. For emergency service, to get a free quote, or if you have questions or special requests, just drop us a line and call us. We look forward to serving you!