October Is Breast Cancer Awareness Month

Proceeds of New Installations to Benefit The Gloria Gemma Breast Cancer Research Foundation

GEM plumber servicing residential water heater

Dependable Hot Water for Johnston Homes

Every household needs reliable hot water, from quick morning showers to loads of laundry and stacks of dishes.

That’s exactly what you get with GEM Plumbing & Heating Services, LLC. For more than 75 years, families across Rhode Island have counted on GEM for reliable water heater installation. Our licensed plumbers bring expert workmanship, straightforward advice, and same-day service so you’re never left waiting for hot water. Call GEM today for water heater installation services in Johnston.

(833) 222-2953


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

A failing water heater demands quick action, and GEM has the resources to respond.

With more than 700 employees and over 500 service trucks, we reach Johnston homes promptly. Our technicians work throughout town, from the working-class neighborhoods near Thornton to Graniteville and the Simmonsville area. We know the housing here. Colonials have different plumbing setups than ranches, and understanding those differences helps us recommend the right equipment. When you call GEM for water heater installation in Johnston, expect reliable scheduling, honest assessments, and professional workmanship. Contact us today to schedule service.

(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

Water heater problems create immediate disruption. Your reliable hot water supply disappears, and daily tasks become difficult. GEM’s efficient process gets things back to normal quickly. Here’s how installation works for Johnston homeowners:

Contact GEM to schedule a service visit that works with your calendar. Our technician arrives at your Johnston home ready to evaluate the situation.

We inspect your current system and provide an honest quote explaining costs and options. Our plumbers make sure you understand everything before any work begins.

With your approval, our licensed team handles the entire job. We remove the old water heater, install your new system correctly, and ensure all connections are safe and code-compliant.

We test your new water heater completely before finishing. Our technician explains its operation, answers your questions, and confirms you’re satisfied with the results.


What Our Customers Are Saying

100% Satisfaction Guarantee

4.6
Based on 9525 reviews
Daniel Linger
13 hours ago
In a world where you call HVAC companies and either get no answer, an AI receptionist or a human who takes all your information just to tell you they can’t service you until next week, these guys were a breath of fresh air! Same day service. Fair price. Incredibly kind people from the receptionist to the service worker. Thank you guys!
Jodi Livermore
14 hours ago
I was so grateful to get such quick, great service, especially on a holiday weekend. Devin was excellent, explaining everything to me and making recommendations. My go to company for all future plumbing needs!
Brendan Murphy
20 hours ago
Incredible job on short notice- will definitely use again. Helpful, responsive, and professional which is exactly what you want with a plumber.
Bruce Keeler
2 days ago
Excellent service from Davontay and Anthony. They were quick and explained what they were doing in an easily understandable manner. Great representatives of the company!
John Walsh
2 days ago
Very professional , great communicator, also neat and tidy
Ed Wirtanen
2 days ago
I called GEM for an issue concerning my the cold water intake for my washing machine. Chris responded within a couple of hours and promptly identified the problem and installed the new part. He is very customer focused and thorough. Chris is a very friendly guy with an objective to make the job is done right.
Susan McCaffrey
3 days ago
Excellent professional service!
Barbara Amiro
3 days ago
I was very pleased with Aaron N. professionalism in servicing our water heater. This service is included in my service plan.
On time. Pleasant. Introduced themselves. Went over the work completed. Left the area clean.
Steven sogoloff
4 days ago
We did a maintenance request for our heating system. Christian and Joie were very pleasant and gave us the results based on their analysis of the system. They arrived within the time frame and completed the process in about 30 minutes.
Joanne Iachetta
4 days ago
Showed up when expected. So kind and courteous and explained everything to me that would need to be done for my plumbing issue. Would highly recommend GEM.
Vin Milano
4 days ago
Erickson was great! Explained conditions of units and recommendations for upkeep!
Doug Williams
5 days ago
The service was good.Aiden was very good. It’s just they said they were on there way 2hrs and30 min they finally arrived. Waited all afternoon
The 2 service men were on time, assessed the problem, diagnosed the issue, came up with a plan and offered several solutions for fixing our mini split. They took pictures, tried clearing out mice debris , attempted to get the outside machine to work ( apex 2 hours) Alas a no go, so we decided to scrap it and go with baseboard heater for the room over the garage. Up front information and pricing , no nonsense. Affable techs and so far great service.
Doug Dustin
5 days ago
I would recommend Nathan and GEM in the event of a plumbing emergency and or issue
David Polishook
6 days ago
No repair was performed at this time I had to pay a diagnostic fee.
Eaven though I was very specific what toilet I wanted they put the wrong one in.
Kristen Mouris
6 days ago
Absolutely incredible and fast service from Nicole T! Our upstairs toilet began leaking Saturday night and by noon on Monday we had a new toilet! Nicole was super informative and walked us through our different options every step of the way. She made an otherwise stressful situation so much easier!
Robert Mason
6 days ago
I had a great experience with Gem Plumbing and Heating. It was great starting from the initial phone conversation and continued with Brian Ciaschini. Brian was an excellent electrician, he was cordial, informative and helpful. Brian made sure everything was working perfectly! I would recommend them and I will use them again.
Friendly, efficient working time, knowledgable!
keith farnham
6 days ago
Excellent as always
Alex Fagundes
7 days ago
Exceptional service! Knowledgeable, and they left with giving me a lot of insight on boilers and options we had. They left and we felt much better.
Joanne Bennett
1 week ago
Exceptional service from GEM. Douglass is absolutely the best !!! … will use them again. Thank You!
buddy croce
1 week ago
Workers were polite and knowledgeable. They diagnosed the problem right away. And we're able to repair it same day.
Steven Pichette
1 week ago
August 27 2025 . Another excellent yearly electrical plumbing , & heating checkup by Eric Governo , Brody Lott , Aiden Cunningham and crew. Thanks! Aug 2025 – Excellent service by Jacob and his coworker . Yearly maintenance on our Generator . Great service as always . Routine maintenance appointment for our boiler . Highly recommended . 2025- same great service for our routine maintenance for our central air unit. May 14, 2026 – great yearly central air maintence by Joe and Anthony . Professional and helpful explaining the inspection they preformed August -18 2026 – we had our yearly maintence for our generator . Aiden was the Gem tech that came out and did the yearly maintence. Aiden was excellent answering all my questions regarding the generator . Was a pleasure having Aiden serviced our yearly generator maintenance August 21-2026. Gem tech Richard stopped by today to go over a couple of issues with our central air unit . Excellent visit and service . August 28 2026 – another great professional visit today by ( Senior ) Joseph . Our central air went down and was fixed in less than 24 hours . Thanks again ! Oct 1 2026 – Erikson M and Demetris arrived to inspect my furnace for its yearly tune up . Another excellent professtional visit. Thank You !


How to Know When You Need a New Water Heater Installed

Here’s what to watch for with an aging water heater.

Johnston homeowners should pay attention when these issues appear. GEM can determine whether replacement is your best option.

Water heaters don’t last forever. Once yours reaches 10 to 12 years, components wear out and efficiency drops. Replacing before failure lets you plan the upgrade instead of reacting to an emergency.

Water or dampness around your water heater signals trouble. Even small leaks indicate tank corrosion that will only worsen. Catching this early and scheduling replacement prevents water damage to your home.

If your household used to have plenty of hot water but now runs out quickly, the tank is losing capacity. Sediment buildup and aging components reduce how much hot water your system can deliver. New water heater installation in Johnston restores the supply you need.

An aging water heater works harder to heat the same amount of water, using more energy in the process. If your bills have increased without other explanation, your water heater may be the reason. A new, efficient system brings those costs down.

Water heater in a residential basement.

We Install All Types of Water Heaters in Johnston

Modern water heaters come in several varieties, each designed for specific household needs and priorities.

GEM helps Johnston homeowners navigate these options and install the best system. Here’s what we offer:

Tankless technology heats water on demand rather than storing a heated supply. When you open a faucet, cold water flows through a heating element and emerges hot instantly. This eliminates standby energy loss while providing unlimited hot water. GEM installs tankless water heaters in Johnston for homeowners seeking efficiency and endless supply.

Conventional tank systems maintain a reservoir of heated water ready whenever you need it. These reliable, proven systems offer affordable installation and dependable daily performance. Most Johnston families find tank water heaters meet their needs effectively without unnecessary complexity.

Hybrid units extract warmth from surrounding air to heat water, achieving efficiency far beyond conventional heaters. They keep a tank of hot water available while dramatically reducing energy use. Johnston homeowners focused on long-term savings and rebate eligibility often choose hybrid systems. GEM installs these throughout town.

GEM Plumbing Heating Cooling u0026 Electrical branded van close-up

(833) 222-2953

Johnston Residents Trust GEM for Water Heater Installation: Here’s Why

Hot water matters every single day. It’s essential for bathing, cleaning, cooking, and more. When Johnston homeowners face water heater challenges, GEM is the company they call.

GEM has served Rhode Island families for over 75 years. Our reputation in Johnston reflects decades of quality work, fair dealing, and commitment to customer satisfaction.

Water heater failures can’t wait for scheduling convenience. GEM’s large team and extensive fleet mean we can often provide same-day service to Johnston homes.

Beyond water heaters, GEM provides plumbing, heating, cooling, and electrical services. One company for all your home systems means consistent quality and simplified scheduling.

We provide detailed quotes before work begins. Johnston homeowners know exactly what they’re paying without worrying about hidden fees appearing on the bill.

A new water heater shouldn’t strain your finances. GEM identifies available rebates and offers financing options that make upgrades manageable.

Regular maintenance prevents problems and extends equipment life. Our Home Comfort Club includes scheduled service, priority appointments, and member discounts.


Our GEM Family Cares for Your System’s Entire Life

Water heaters run constantly to meet household demands, and that continuous operation causes gradual wear.

Routine maintenance catches developing problems before they become failures. GEM’s Home Comfort Club provides inspections, sediment flushing, and component monitoring that keep your system efficient. We help Johnston homeowners maximize their water heater’s lifespan while avoiding unexpected breakdowns.

customer and technician interaction

GEM technician in front of service truck

Contact GEM for Water Heater Installation Services in Johnston

Ready to restore reliable hot water to your Johnston home?

GEM makes it happen. Our skilled plumbers help you choose the right water heater, complete installation professionally, and ensure dependable performance going forward. Call GEM today or contact us online to schedule your water heater installation in Johnston.


Other Water Heater Services You May Need


Water Heater Installation FAQs

Are high-efficiency water heaters worth the extra cost?

For most Johnston homeowners, yes. High-efficiency models cost more upfront but reduce monthly energy bills, often paying for themselves within a few years. Heat pump water heaters in particular can cut water heating costs by 50% or more compared to standard electric tanks. Combined with Rhode Island Energy rebates, the net cost difference shrinks significantly while the savings continue for the life of the equipment.

Can GEM handle water heater emergencies in Johnston?

Yes. We provide 24/7 emergency service throughout Johnston and the Providence metro area. If your water heater fails unexpectedly, leaks, or poses a safety concern, call us immediately. Our technicians can respond quickly to assess the situation and get your hot water restored as soon as possible.

Should I get a gas or electric water heater for my Johnston home?

That often depends on what’s already in your home. If you have natural gas service and existing gas lines to your water heater location, a gas unit typically offers faster recovery times and lower operating costs. If you’re electric-only, an electric water heater or heat pump model avoids the expense of running new gas lines. GEM evaluates your Johnston home’s infrastructure and helps you choose the option that makes practical and financial sense.

What maintenance does a water heater need?

Regular maintenance includes annual flushing to remove sediment, periodic anode rod inspection, and checking the pressure relief valve. These simple tasks extend equipment life and maintain efficiency. Many Johnston homeowners find it easier to have GEM handle maintenance through our Home Comfort Club, which includes scheduled service visits and priority scheduling if problems arise.

What rebates are available for water heater installation in Johnston?

Rhode Island Energy offers rebates on qualifying high-efficiency water heaters, including heat pump models that can significantly reduce energy costs. The rebate amounts vary by equipment type, and eligibility requirements change periodically. GEM stays current on available incentives and helps Johnston homeowners identify which models qualify. We can also assist with the paperwork to make sure you capture available savings.