New High-Efficiency Hot Water System + One Year of Free Home Comfort Club

Professional Water Heater Replacement Services

Rumbling from the basement. Water that’s hot one minute and lukewarm the next. Rusty streaks in the sink. Your water heater is telling you something.

At GEM Plumbing & Heating Services, LLC, we help Portsmouth homeowners figure out what’s happening with their water heaters and decide what makes sense to do about it. Whether you just started noticing symptoms or your system has been struggling for months, our licensed plumbers will assess the situation and give you an honest read. Give us a call today for water heater services in Portsmouth.

(833) 222-2953


We Serve the Portsmouth Area

When your water heater is acting up, you need someone who can tell you what’s actually wrong.

Our technicians dig into the problem before recommending anything. GEM has the team to reach you quickly and the experience to diagnose accurately. We report what we find, not what generates the biggest invoice.

Years in Business

Skilled employees

Emergency Service

Trucks on the Road


(833) 222-2953

Same-Day Water Heater Replacement Services

If the symptoms point toward replacement, waiting for total failure doesn’t help anyone.

A water heater showing warning signs could quit tomorrow or six months from now. There’s no way to know. Acting on your timeline beats reacting to an emergency. GEM offers same-day replacement services in Portsmouth, so if replacement is the call, we can often have your new system running before dinner.

GEM Makes the Water Heater Replacement Process Easy

Something’s off with your water heater. GEM helps you understand what’s happening and what your options are.

We walk you through the situation so you can make an informed choice.

Your water heater is acting strange and you want to know why. Book online or call to set up an appointment. Our technicians can often come out the same day.

Our plumber examines your system to understand what’s causing the symptoms. We explain the diagnosis, tell you whether repair is viable, and let you know if replacement makes more sense.

If replacement is the right path, our licensed plumbers handle the full job. Old unit out, new unit in, every connection safe and code-compliant.

We verify your new water heater runs correctly before leaving. We cover how it operates, what to watch for, and answer whatever questions you have.

(833) 222-2953


GEM technician standing beside branded service van

(833) 222-2953

Here’s Why You Should Replace Your Water Heater

The symptoms you’re noticing usually mean replacement is smarter than another repair.

An aging water heater wastes energy. Newer models heat the same water with less fuel or electricity. Your utility bills drop accordingly.

The temperature inconsistency and capacity issues you’ve been experiencing disappear with a new system. Hot water works the way it should.

If you’ve already called for service, or you’re bracing for the next breakdown, replacement stops that pattern. A new unit runs reliably without the recurring headaches.

A modern, efficient water heater adds comfort and cuts costs while improving your property’s appeal. Buyers notice systems that aren’t showing their age.

Why Portsmouth Residents Choose GEM for Water Heater Replacements

When you’re trying to figure out what’s wrong, you want straight answers from people who actually know.

You don’t want to get talked into a replacement you don’t need. But you also don’t want to keep dumping money into a system that’s about to die. GEM gives you the information to make the right call.

Our plumbers know Portsmouth and the variety of homes across the island, from historic village properties to waterfront residences along the Sakonnet and the neighborhoods near Portsmouth Abbey. That familiarity helps us diagnose faster and recommend smarter.

GEM has served Portsmouth and Aquidneck Island since 1949. We’ve diagnosed thousands of water heater issues and learned to tell the difference between what’s worth fixing and what’s not.

If we spot related problems during your evaluation, we can handle them. GEM covers plumbing, HVAC, and electrical, so you’re not coordinating multiple contractors.

If the diagnosis points to replacement, we can often complete it that day. Our team depth and truck inventory let us move fast when speed matters.

Repair or replacement, you know the cost before we start. No pressure tactics, no surprises. Just clear numbers so you can decide.

If replacement is the answer, rebates can reduce the hit. GEM helps identify incentives through Rhode Island Energy and offers financing to spread payments out.

When replacement makes sense, we install equipment from manufacturers with solid reputations. No cheap units that create new problems.


What Our Customers Are Saying

100% Satisfaction Guarantee

4.6
Based on 9643 reviews
gilbert serra
10 hours ago
Very pleasant and very honest, and they cleaned up after their work and would definitely use them again.
Bob Strouse
11 hours ago
Great service, very clean and professional. Very happy with Gem.
Karen Gray
12 hours ago
Working with Nick to get all my bathroom faucets replaced was a pleasure. Karen Gray
Alyssa Zelman
12 hours ago
Great communication, went the extra mile, professional and friendly. Came out same-day, on-time. Def recommend!
Allan Barbash
14 hours ago
Great service he was very thorough.
Darlene ONeill
14 hours ago
Xavier was confident, efficient, knowledgeable, prompt and treated his trainee with respect.
Dale Abbott
16 hours ago
Great job. They know their “stuff”!
Jim Walsh
19 hours ago
Super fast response time (called at 4:00 on Monday and Mike & Chris were at the house at 11:15 on Tuesday). Mike and Chris were excellent, diagnosed the source of the odor (bad wax ring) and completed the job by 12:15.
Everything from the initial phone call to the quick response from our techs and the repair of our system was an A+! Would recommend to everyone.
GEM was one of only services that got back to me and scheduled me on the same day! Colin was quick, professional, and someone I felt safe having in my home. You get what you pay for!
Corey was outstanding , very helpful, informative and friendly !
Noemi Jordan
1 day ago
Khorey J. and his colleague did an excellent job inspecting our heating and cooling mini-split system. They took the time to explain the issues in detail and gave us peace of mind and at ease by ensuring that everything was working properly. They also explained and demonstrated when the condenser fan should turn on at various temperatures and settings. Both men were knowledgeable, professional, polite, and respectful. We have been customers of Gem Heating and Plumbing for many years, and, as always, they were there when we needed their services. Thank you, Gem Plumbing!
John O'Leary
1 day ago
Efficient and spot on always
Michael Hoff
1 day ago
John did a great job servicing our central heat pump and boiler. He was thorough and a great communicator. Thanks!
Joe Burgess
2 days ago
Great people Very professional Explanation of everything Excellent job
Patricia Criner
2 days ago
Very personable guys Joe and Landon did a thorough inspection and make sure I completely understood all options for the future
Cindy Mossman
2 days ago
Electrical replacements
Peter Rintels
2 days ago
Have used GEM several times. After some rough experiences with some other HVAC companies, I can say GEM has been consistently outstanding. Highly recommended.
We had an emergency service performed on Saturday, the technician Chris was professional and talked me through everything he was doing. I’d rate his overall work on a scale of 1-10 as over 10 because he was that awesome. What gets me is the pricing of the service. As I mentioned it was an emergency, and as the customer I want an itemized breakdown of parts and labor. I just called GEM and they mentioned they do not provide that. I will continue to call until I get the satisfaction I want on full disclosure of MY billing statement the was paid for in FULL by MYSELF. I know GEM reads these reviews and I want my fully itemized bill for services rendered.
Very satisfied with the service
Bill Cater
2 days ago
The GEM team, Richard (Rickey) and Gabriel along with the electrician were extremely professional. They cleaned up the entire work site with great care to ensure no dirt was left behind. Xavier was outstanding during the service call. happy and highly recommend.
Alyssa Nguyen
2 days ago
Josue & Mike were the two technicians that came and did the work for our home. They were absolutely amazing and did an amazing job! Took their time to make sure everything was done right.
We were not getting heat from our boiler. It was old and not working properly. Richard walked us through a new boiler purchased. Thanks.
Stephen Pratt
3 days ago
Kevin did a great job and explained everything he did to my boiler
Carol Ferrera
3 days ago
Great job! The technicians are kind, courteous, professional and knowledgeable. Thank you!!

Keep Your New Water Heater in Top Shape with Routine Maintenance

After replacement, regular maintenance keeps those warning signs from coming back.

The symptoms that brought you to us can be prevented with periodic upkeep. Sediment accumulates, anode rods corrode, and small issues grow into noticeable problems. GEM offers maintenance services that catch things early so you’re not back in this situation in a few years. Call GEM today to learn more.

customer and technician interaction


GEM technician in front of service truck

Choose GEM for Water Heater Replacement Services in Portsmouth

If your water heater is acting up, let’s figure out what’s going on.

GEM serves Portsmouth homeowners with honest assessments and quality water heater replacement services. Give us a call or contact us online today.



Water Heater Replacement FAQs

How do I know if my water heater needs repair or replacement?

Age and overall condition are the main factors. Under 8 years old with a single issue? Repair usually makes sense. Over 10 years old with multiple symptoms or a history of service calls? Replacement is typically the better investment. GEM gives you an honest assessment to help you decide.

What do the warning signs I’m seeing actually mean?

Rumbling or popping usually indicates sediment buildup at the bottom of the tank. Rusty water suggests internal corrosion. Inconsistent temperatures can mean failing elements or a system losing capacity. Our technicians can pinpoint exactly what’s happening.

Can I wait to replace my water heater?

Technically yes, but a water heater showing symptoms could fail anytime. Replacing proactively lets you control the timing, shop your options, and avoid a scramble. GEM can help you weigh the tradeoffs.

What rebates are available if I need to replace?

Rhode Island Energy offers rebates on qualifying high-efficiency water heaters, including heat pump models. GEM helps Portsmouth homeowners identify eligible equipment and assists with the rebate process.