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 8530 reviews
Great team came to fix our leaking pipe. Truly professional. Did what needed to be done and were extremely well versed in codes and fixing mistakes of the past.
Had a furnance replaced. Went with a tank less water and furnace combi. Best decision made.
Excellent Service!! As usually
Nick is extremely knowledgeable and polite. Service to our AC was exceptional.Thank you. Highly recommend GEM…and especially Nick.
They provided fast and professional service.
Thank you Ryan for helping my case today. Called GEM this morning because my water heater broke out of the blue and there was water all over my basement. They put me on an emergency list and within an hour I had the guys here to check it out. Unfortunately I needed a new water heater and they were able to help me with that. They were fast, cordial and very efficient. I’m recommending them to everyone I know and have their number saved on my phone.
Joe and Danny came and did a great job. Replaced three-valve shower faucet with a single valve.
David came to fix the flange for my toilet. He made a quick and effective diagnosis and then did the repair in just a few hours, anytime I run into plumbing issues ill be calling GEM again, wonderful service
he did a great job
GEM came thru when our sinks were clogged. Colin exhibited professionalism in every way
Thoughtful and shared every step.
GEM workers well qualified, friendly and extremely helpful. Installed two new units in one day – efficient and excellent work.
Great service and smart young man Jordan was able to quickly solve problem with my AC unit and was extremely professional and talked me through the problem!
Thank you so much to Bill and Anthony for coming out and repairing our furnace. They were both very friendly and knowledgeable and answered all of my questions! Thank you again!!
Jonathan was very neat and helpful with my emergency plumbing needs
Honest and fair. Work was clean and well communicated. Response to issue was 24 hours. The three techs…Anthony, Brody, and Nick, were polite quiet clean work and communicated step by step… job well done.
Paul V from Carmine’s, arrived promptly and was very professional, knowledgeable, patient and has a great demeanor. He changed the control board of my HAVAC unit, and gave me great suggestions of the usage of it. Paul is very sincere and you can see his dedication to his work. I would definitely recommend Carmines and Paul V for any of your HAVAC needs.
Friendly, explained what was being done and what to watch out for.
Great job by David
Victor is the best. He fixed our clogged pipes and came out right away
Great service ! They were on time, respectful and took care of business quickly and efficiently
Lost our well water tank, great job with replacement. While here had them replace kitchen faucet and garbage disposal also. Will use GEM from now on!
Eric and Steve are great. Got the job done fast. Cleaned up. Terrific work.
We had 2 very old direct vent gas wall heaters replaced. Evan and Steve are the best. They explained everything and did a awesome job for never putting in these Rianni heaters . Kept me informed and answered all my questions and eased my concerns . Couldn't of asked for two better guys. The electrician and his assistant were outstanding with the fact the house was
built in 1925 with older wiring . Chen and his assistant installed 2 dedicated circuit for both heaters to run on and it works out great as now my air conditioner will run on the dedicated circuit this summer. Would recommend all of them for future heating needs .
We had the bathroom one downsized to a smaller unit with no issue what so ever even with them having to remove the bigger one they had put in they were happy to accommodate the issue
They are sweet, knowledgeable and quick. Thank you guys for an excellent job done, I appreciate it.

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.