Enjoy Better Hot Water All Year with GEM

If you’ve ever run out of hot water mid-shower or waited for a tank to refill before doing laundry, you know how frustrating a traditional water heater can be.

Older tanks can struggle to keep up with daily household demands, leaving you with inconsistent temperatures, higher energy bills, and ongoing maintenance. Upgrading to a tankless water heater solves these problems while improving your home’s efficiency. Unlike traditional systems, a tankless model heats water on demand, providing endless hot water while saving space and energy.

At GEM Plumbing & Heating Services, LLC, we help homeowners throughout Rhode Island and Southeast Massachusetts take the stress out of this upgrade with clear guidance and expert installation. Offering decades of experience installing tankless water heaters, GEM makes the process simple.

We handle every detail so you can enjoy reliable hot water and peace of mind. Contact GEM today to schedule your tankless water heater installation.

(833) 222-2953

GEM Technicial Inside Van


(833) 222-2953

Tankless Water Heater Installation Done Right

Choosing the right installer makes a difference in how your system performs over time.

GEM has been working in homes throughout the region for decades, giving our team a clear understanding of local water conditions, housing styles, and system demands. That experience helps us recommend the right tankless setup and complete installations that perform reliably. With technicians already working in neighborhoods across the area, we provide responsive service, clear communication, and a process that feels straightforward from start to finish.


Skilled employees

Trucks on the Road

Years in Business

Emergency Service


GEM’s Step-By-Step Tankless Water Heater Installation Process

GEM keeps the process of installing a tankless water heater simple and straightforward.

We evaluate your household’s water usage, number of bathrooms, and daily demand to determine the right system size, ensuring your new tankless unit can supply hot water efficiently for your family.

GEM walks you through high-quality models, explaining energy efficiency, durability, and capacity. You’ll get clear recommendations that balance performance with your budget.

Our technicians carefully install the unit, connecting plumbing and electrical systems according to code. Every installation is completed with precision to ensure long-lasting reliability.

Once installed, we test the system thoroughly for proper flow, temperature, and performance. We also walk you through operation and maintenance so you feel confident using your new tankless water heater.

Female Gem Plumbing u0026amp; Heating employee sitting at a desk smiling

(833) 222-2953

What Our Customers Are Saying

100% Satisfaction Guarantee

4.6
Based on 8551 reviews
I found my water heater leaking on a Friday late afternoon called GEM the came out explained everything to my and gave me quote..came to my house the next morning and installed the new water heater and explained everything to me.. very good to deal with.
Christopher, John, Steven, Brody and Joseph were all punctual and attentive. Great to meet so many great crew members. Getting the problem fixed and keeping me aware of future needs with my equipment before they become real issues. I appreciated the staff immensely from the technicians to the call team members.
GEM did good job in closing the ceilin and matching to the existing pattern
Fantastic, and quick service! Tyler was extremely polite and an accomplished HVAC person. He explained the problem with my AC unit in great detail, and fixed it in no time at all. He also offered to incorporate my seasonal maintenance into this visit, which I am very pleased with. I recommend Tyler on every level!! Virginia Fay. 👍
Efficient and informative and friendly service, thank you!
This is definitely a five star review and if you had more stars, I would grant those as well. Jordan is an amazing young man. He is respectful knowledgeable and extremely patient. Fixed/updated everything that needed it in a very timely manner and checked everything twice. Now I’m going to request his coming back next time!!
Jared was great, super knowledgeable super personable, easy to work with.
I cannot say enough good things about this company! From getting the initial walk through done, to designing the ductwork, and executing their plan, every step has been amazing. They got the work done incredibly fast, cleaned up after themselves, and offered very high quality systems. Highly recommend!
Outstanding service, prompt courteous and knowledgeable
Team arrived exactly when expected. Knowledgeable and efficient. Richard F was able to diagnosis and fix a problem with our AC in short order. Continue to highly recommend.
The GEM plumbers were fantastic. They hooked up a new spigot and a back flow preventer for the drip irrigation system I will have installed soon. They explained everything, they were fast and respected my home during the job. I highly recommend GEM for your next plumbing repair or upgrade.
Today Nicole from GEM extended the pipe and added a female adapter for the irrigation system. She was speedy and fantastic!
Josh was very pleasant, helpful and efficient. He worked on adding a valve to our boiler. Not sure how to answer other questions.
Called GEM this morning when I discovered that our water heater decided to stop working some time in the night. Ari in the office was extremely nice and was able to schedule a technician to come out same day. John was great, super helpful, and knowledgeable. He explained the system we have and what was going on. He was great with answering my questions and I really appreciated his taking the time to go over the various components of the water heater as well as answering my questions about their membership maintenance program. I look forward to working with GEM moving forward.
Professional installers from start to finish.
Douglas V. was prompt, provided great service and quality work. Douglas is professional and knowledgeable in his field. Highly recommend for HVAC repairs and maintenance needs.
Very nice technicians polite and did a great job tune up on my generator thank you
Aaron came for a 2nd successful visit. This time to figure out the cause of low/no water pressure in some of our H&C setups for 5 bathroom sinks. He left with 3 sinks H&C flowing freely & demonstrated the need for 2 new faucet installations so Hot H2O could be restored to the remaining sinks. Much appreciated as others had immediately started talking about replacing pipes without investigating less complicated solutions. As before, Aaron was a professional pleasure to have in our home & pricing will be the only holdup for us to continue with the faucet installations. Due to him, I have high hopes for the GEM electrician arriving next week & the HVAC maintenance later this month.
Courteous friendly service people, give complete information about work needed.
Those guys were awesome. They were very respectful and professional.
We have been a customer of Gem plumbing for a long time, yesterday Alexander R was out, He was the very best technician we have ever had. He was polite, considerate professional, detailed, informative and very thorough. Thank you for being a company that we can trust. we have always been happy with all your technicians and your work. A company we can count on that is saying something in today’s market.
Timely and professional service. Took the time and effort to complete job in the right way.
Very helpful in getting to me earlier than expected during the heat wave. I would recommend GEM to everyone.
Chris did a great job. Very pleasant and professional!
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.


GEM technician portrait in front of GEM service truck

(833) 222-2953

4 Clear Signs Your Home Could Benefit from a Tankless Water Heater

Traditional water heaters are reliable for a time, but there are clear signs that an upgrade is overdue.

Watching for these issues can save you money, improve comfort, and prevent future emergencies.

If your showers or laundry cycles leave you waiting for water to heat up, your current tank may not meet your household’s needs. Tankless systems provide endless hot water on demand.

Older tanks heat and store water constantly, wasting energy. Switching to a tankless model can reduce your utility costs by heating only what you need.

Traditional tanks take up significant space in basements, closets, or utility rooms. Tankless units are compact, freeing up space and giving your home a cleaner, modern look.

Visible rust, corrosion, or leaks indicate your water heater is at the end of its life. Replacing it with a tankless system prevents damage and improves reliability.

How Long Can You Expect Your Tankless Water Heater to Last?

Tankless water heaters are built for longevity, often lasting 20 years or more with proper care, roughly twice the lifespan of traditional tank models.

Their durable components and efficient design help minimize wear, giving you reliable hot water for many years. With regular care, a tankless water heater can provide your home with consistent comfort and fewer replacements.

Unlike traditional units that often fail after a decade, a well-maintained tankless system is engineered to provide reliable service for decades.

Since these systems don’t store water, they are significantly less prone to the rust and sediment buildup that typically shortens the life of tank-style heaters.

Most tankless models are designed with modular parts, allowing for easy repairs and component swaps rather than requiring a full unit replacement when a single part wears out.

Why New England Homeowners Rely on GEM for Tankless Water Heater Installation

Choosing GEM means working with a team you can trust for a major home upgrade.

From expert installation to long-term support, we make your project smooth and reliable. Here are some reasons why homeowners across New England choose GEM for tankless water heater installations:

We understand that waiting for hot water isn’t an option. GEM works quickly to get your system up and running as soon as possible.

With years of hands-on experience installing tankless systems across Rhode Island and Southeast Massachusetts, GEM has the know-how to handle any home.

We provide clear, honest guidance about system choices and installation, helping you make decisions that fit your home and budget.

Every GEM technician is fully licensed and insured, giving you peace of mind that your installation meets all local codes and safety standards. We stay current with industry certifications and regional requirements.

We stand behind our work with strong warranty coverage on both labor and equipment, protecting your investment for years to come. If issues arise, we’re here to make things right.

GEM provides upfront, detailed pricing before any work begins, so you know exactly what to expect. We believe in honest estimates with no surprise charges or last-minute add-ons.

Water heater in a residential basement.

(833) 222-2953


customer and technician interaction

Our GEM Family Cares for Your System’s Entire Life

Your homes HVAC, plumbing and electrical systems work hard all year. Regular maintenance keeps it running efficiently, quietly, and reliably for years to come.

Our Home Comfort Club makes maintenance easy with annual tune-ups, priority scheduling, and discounts on repairs. We catch problems before they become emergencies and keep your home’s systems running the way they should, year after year.


Maintaining Your Tankless Water Heater for Long-Term Comfort

A tankless water heater delivers consistent hot water, but regular care is key to keeping it performing at its best.

Flushing the system, checking for mineral buildup, and inspecting components periodically ensures efficiency, prevents corrosion, and extends the life of your unit.

GEM’s Home Comfort Club takes the worry out of maintenance. Members get routine service visits, automatic reminders, and priority scheduling so their tankless system runs smoothly and provides hot water for years to come. Ask about the Home Comfort Club today!

GEM technician in front of service truck



Schedule Your Tankless Water Heater Installation With GEM

Upgrading to a tankless water heater is a smart investment in comfort, efficiency, and peace of mind.

Reach out today to schedule your free consultation or chat with our team to learn how a tankless water heater can transform your home’s hot water experience.

What Is a Tankless Water Heater and How Does It Work?

A tankless water heater, also known as an on-demand system, heats water only when you need it rather than storing it in a tank. As water flows through the unit, it is heated instantly, eliminating standby energy loss and providing a continuous supply of hot water. This design is more compact and energy efficient than traditional systems, making it a practical option for many homes.

How long does a tankless water heater installation take?

Most installations are completed in a single day, depending on your home’s size and existing plumbing or electrical setup. Some projects may take longer if upgrades or adjustments are needed. GEM works efficiently and keeps you informed throughout the process.

What type of tankless water heaters does GEM install?

GEM installs high-quality, energy-efficient tankless gas and electric tankless water heaters from trusted manufacturers. These systems are selected for reliable performance and long-term durability. Your technician will recommend options that fit your home’s needs and usage.

Will installation require modifications to my home?

Some installations may require minor updates to plumbing, gas lines, or electrical connections. These adjustments help ensure the system operates safely and efficiently. GEM completes all work cleanly and prepares your system for immediate use.