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


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(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 8686 reviews
Two Gem workers showed up to do annual service on time. Dave and his coworker were friendly, professional and excellent communicators.
The professionals from Gem came to our house to fix a leaky well pump. Fortunately, they diagnosed the problems, and were able to replace our well and tank all in one day. They showed me how bad the pump and tank were, gave us options, gave us estimate. After everything was installed they tested everything to make sure it was in working order. I had a great experience, and I would highly recommend using them. I cannot thank them enough.
Chris and Nem cleaned & checked the parts of my A/C system making sure all was functioning properly. Both helped me have a better understanding of how the unit works & things to consider as upgrades to the HVAC system. Based on their visit I plan to renew my annual maintenance plan.
Quick appointment, resolution and everything‘s working great
Great experience. On time, pleasant and performed work efficiently.
Excellent professional service. Joseph explained everything about our annual A/C maintenance service. He is a fine representative for GEM.
Dovantay was very knowledgeable and professional.Dovantay did a great job.
Was able to get an appt right away and excellent technicians
GEM customer service and technicians are great. They communicate with you, are prompt, courteous and very knowledgible.
Quality work, fast response time. Great staff and incredible technicians.
Thanks for your excellent service.
Scott was kind and very welcomed , explained what the issue could be and recommended few option , he was very thorough and knowledgeable.
Luis and Edwin did an OUTSTANDING job in replacing my old furnace with a new one. They were thorough in every aspect of the job. From removal to the new install and clean up. Very professional and answered any questions I had. I can't thank them enough for the excellent Jobe they performed. 👍👍👍👍
He was on time , very professional, and knew how to correct our plumbing problem9 on
Excellent service, highly recommended. We had a ceiling fan replaced with a chadelier on a cathedral ceiling. It was not that easy, and they did a great job!
Knew his business well, was extremely friendly and patient with me. Overall, just a very pleasant experience.
Anthony Pena was SUPER !

Labor Price was RIDICULOUSLY Overpriced !!!!
Outstanding evaluation of mini split 2 heads and the exterior fan. Excellent service for better maintenance going forward. Detailed inspection and testing of all components including outside line bundles and their likely performance considering deterioration to date. Options, benefits and costs compared and explained. Decisions made and work performed immediately and perfectly!!! Thank you Richard and later for satisfaction follow up. Calling GEM is the best decision I have made as a homeowner. THANK YOU!!! To Eric, Genaro, Jacob, Leo, and your whole team for your superlative work ethic and dedication to the process from of dismantling our 80 year old boiler / hot water system to installation of our new tankless water heater system. And the GREAT clean up also! You are highly trained professionals and finely tuned team. Your attention to every detail and completion of each phase has made me a happy and confident customer.
Knowledgeable and friendly
Technician was very responsive and with great attention to detail.
I've dealt with Carmines for years. Decided to give them another job following their acquisition by GEM. Still the same good-hearted people. Paul came to our house & w/in minutes diagnosed the prob with our mini-split AC system: a clogged drain. He explained everything about the system; did a great job; & was a pleasure to speak with.
I contacted the office later with a billing inquiry later. Sonja in Customer Service resolved my call to my satisfaction. I will do business with GEM Carmine's again.
Josh and Kevin were fantastic. They showed up on time and were very helpful and professional. At every step of the process, they kept me informed. They tested the units and showed me and my wife how to operate and select the functions we like with our remote. Thank You GEM for a great job. Thanks Kevin and Josh for your professional manner and you're great work.
All options were explained with pros and cons of each. The Technician was extremely polite and professional in explaining the options and repairs that were needed.
Very happy with the service. The men were kind, professional, and did quality work. The whole process from booking the appointment to work being finished was very fast.
John was very conscientious


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.