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

GEM plumber servicing residential water heater

Quality Hot Water Solutions for Portsmouth Homes

From the first shower of the morning to the last dish of the night, hot water is something your household can’t do without.

GEM Plumbing & Heating Services, LLC has served Portsmouth families for years, delivering professional water heater installation that gets comfort back fast. We install quality systems built for reliable, long-term performance. Call GEM today for water heater installation services in Portsmouth.

(833) 222-2953


Need Water Heater Installation in Portsmouth? GEM is Close By!

Water heater problems demand quick attention, and GEM has the team to respond.

With over 700 employees and more than 500 service trucks, we reach Portsmouth homes quickly. Our technicians serve the entire island, from the historic Common Fence Point area to the neighborhoods near Glen Farm, Prudence Island ferry, and throughout town. We understand Aquidneck Island and what systems work best here. When you call GEM for water heater installation in Portsmouth, expect responsive service, clear communication, and expert work. Contact us today.

(833) 222-2953


Skilled employees

Trucks on the Road

Years in Business

Emergency Service


Female Gem Plumbing u0026 Heating employee sitting at a desk smiling

(833) 222-2953

Our Water Heater Installation Process

A broken water heater affects everything. Showers, dishes, laundry. All of it depends on hot water. GEM’s process is designed to resolve the problem efficiently. Here’s what Portsmouth homeowners can expect:

Call GEM to book an appointment that works with your schedule. A technician arrives at your Portsmouth home ready to evaluate the situation.

We inspect your water heater and provide an honest estimate. Our plumbers explain the options and answer your questions before we proceed.

Once you give the go-ahead, our licensed team handles everything. We remove the old unit, install your new water heater, and make sure all connections are code-compliant.

We test your new system before leaving. You’ll understand how it works and be satisfied with the results.


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!!


How to Know When You Need a New Water Heater Installed

When repair isn’t the right answer anymore.

These warning signs are telling you something important. GEM helps Portsmouth homeowners understand the message.

Water heaters have a limited service life. Once yours enters the 10 to 12 year range, efficiency drops and the risk of sudden failure climbs. Replacing before breakdown lets you plan the upgrade on your schedule.

Water pooling around the base of your water heater indicates internal failure. Once a tank starts leaking, it cannot be repaired. Replacing it quickly prevents water damage to your home.

When hot water swings between too hot and lukewarm without pattern, your water heater is struggling. Failing thermostats, sediment buildup, or aging heating elements can all cause this. If basic service doesn’t solve it, water heater replacement in Portsmouth is the answer.

A single repair on a younger system makes sense. But if you’ve called for service multiple times in the past year or two, those costs are adding up. At some point, water heater replacement in Portsmouth becomes the better investment.

Water heater in a residential basement.

We Install All Types of Water Heaters in Portsmouth

GEM offers options to match your household’s needs.

Here’s what we install for Portsmouth homes:

Tankless systems heat water on demand, so you never run out. No storage tank means no standby energy loss. They’re compact and efficient. GEM installs tankless water heaters in Portsmouth for homeowners who value endless supply and energy savings.

Tank models store heated water so it’s ready when you need it. They’re reliable, affordable, and available in multiple sizes. Most Portsmouth families find tank heaters deliver the consistent performance they need.

Hybrids use heat pump technology to warm water efficiently while maintaining a storage tank. They use significantly less energy than conventional heaters. Portsmouth homeowners focused on reducing energy costs often choose hybrid models.

GEM Plumbing Heating Cooling u0026 Electrical branded van close-up

(833) 222-2953

Why Portsmouth Homeowners Trust GEM for Water Heater Installation

Hot water is essential for daily life. When you need help, you want a company that gets the job done right. Here’s why Portsmouth residents choose GEM.

GEM has been in business over 75 years. Our reputation is built on reliable service and honest dealings.

Our large team means we can often respond the same day. Water heater problems get prompt attention.

We handle plumbing, heating, cooling, and electrical. One company for all your home comfort needs.

We provide upfront quotes before starting work. You know exactly what you’re paying.

GEM helps identify rebates for qualifying equipment and offers financing to fit your budget.

Members enjoy regular maintenance, priority scheduling, and exclusive discounts. It’s the best way to protect your investment.


Our GEM Family Cares for Your System’s Entire Life

Water heaters work constantly, and that workload causes gradual wear.

Maintenance keeps your system running efficiently and extends its life. GEM’s Home Comfort Club includes the inspections and tune-ups your water heater needs to perform well for years.

customer and technician interaction

GEM technician in front of service truck

Contact GEM for Water Heater Installation Services in Portsmouth

Ready to have reliable hot water again?

GEM can help. We’ll find the right water heater for your Portsmouth home, install it professionally, and make sure it works perfectly. Call today or contact us online to schedule.


Other Water Heater Services You May Need


Water Heater Installation FAQs

How does GEM determine what capacity water heater my household needs?

We look at several factors specific to your Portsmouth home: how many people live there, number of bathrooms, whether you have high-flow showerheads or standard fixtures, and when your peak usage occurs. A household where everyone showers in the morning has different needs than one where usage is spread throughout the day. We also consider your existing infrastructure since upgrading from a 40-gallon to an 80-gallon tank may require electrical or venting modifications.

Does Rhode Island Energy offer incentives for water heater replacement?

They do, for qualifying high-efficiency models. The program offers rebates that can make upgrading to efficient equipment more affordable for Portsmouth homeowners. GEM helps you navigate the options and choose equipment that qualifies for maximum savings. We’re familiar with the current programs and can guide you through the application process.

I’m not sure what size tank my family needs. How do you figure that out?

GEM’s technicians assess your household’s hot water demands during the consultation. We ask about family size, bathing habits, whether you run the dishwasher and washing machine simultaneously, and what your busiest times are. For Portsmouth’s colonials, farmhouses, and waterfront estates, we often recommend 40 to 50 gallon tanks for families of three to four, but we customize recommendations based on your actual usage patterns rather than applying a one-size-fits-all formula.

What’s the difference between gas and electric water heaters?

Gas water heaters typically heat water faster and cost less to operate if you have natural gas service. Electric models are simpler to install and maintain, and don’t require venting. Heat pump electric models are highly efficient but need adequate space around them. For Portsmouth’s colonials, farmhouses, and waterfront estates, the best choice depends on your existing utilities and installation location. GEM can advise which makes sense for your specific situation.

How long does water heater installation take in Portsmouth?

Most standard tank replacements are completed in two to four hours. GEM’s technicians arrive with a fully stocked truck, so we have the fittings, connectors, and parts needed to handle typical installations without delays. If your Portsmouth home requires modifications like updating old galvanized pipes, relocating the unit, or upgrading electrical service, the job may take longer. We’ll give you a realistic timeframe before we start.