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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 News
August 18, 2023

Bathroom Renovation: Plumbing Materials Choices

Depending on the age of your home, you will be working with one of the following pipe materials: plastic PVC (ABS or CPVC), copper, galvanized iron, or cast iron. If…
JMS Plumbing & Heating - SummerJMS News
July 27, 2023

Splash into Summer with Well-Maintained Plumbing

While the summer is a time for fun and relaxation, it's also very important to make sure your home's plumbing system is in excellent working order. We recognize the importance…
Spring perfect kitchenJMS News
May 18, 2023

Quick Tips to Prep Your Home for Spring

As the winter chill fades away, it's time to welcome the refreshing season of spring. With blooming flowers, warmer temperatures, and longer days, it's also the perfect time to give…


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!