October Is Breast Cancer Awareness Month

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

Restore Hot Water to Your Waltham Home

When hot water disappears, everything becomes harder. Freezing showers. Greasy dishes. Laundry piling up. You need a plumber who diagnoses accurately and repairs correctly.

GEM Plumbing & Heating Services, LLC’s licensed, local technicians deliver expert water heater repair in Waltham, MA, restoring comfort with same-day response, honest pricing, and skilled workmanship. Whether your unit is dripping, rumbling, or failing to heat, we’ll identify the issue and restore hot water safely and efficiently.

(833) 222-2953


24/7 Emergency Water Heater Repair in Waltham

Water heater emergencies strike without notice. A 3 a.m. flood or holiday breakdown demands immediate attention.

GEM provides true 24/7 emergency water heater repair in Waltham for urgent situations. Leaking tanks, total hot water loss, or gas odors require fast action. Our emergency team works nights, weekends, and holidays with fully equipped trucks. Call GEM any time for emergency water heater service in Waltham.

(833) 222-2953


Serving Waltham Homeowners Since 1949

GEM isn’t a faraway franchise. We’re a New England company serving local families for over 75 years.

Our technicians live in communities like Warrendale and South Side. We understand plumbing challenges Waltham homes face, from hard water damaging elements to aging equipment in older buildings. When you call GEM for water heater repair in Waltham, you get technicians who know this area and treat customers like neighbors.

Years in Business

Skilled employees

Emergency Service

Trucks on the Road

GEM technician working on indoor HVAC system with homeowner

(833) 222-2953

GEM’s Approach to Water Heater Repair

Getting your water heater fixed shouldn’t create additional anxiety.

When hot water fails, you need a predictable solution. At GEM, repairs are simple and straightforward. Here’s our process:

When you reach out, our team sends a Waltham-area plumber who arrives quickly. We inspect your tank, elements, thermostat, valves, and safety systems.

You receive a clear explanation of the problem and sensible options for repair or replacement.

From fixing leaks to replacing elements, most work finishes in a single visit.

Before leaving, we confirm your water heater runs safely and efficiently.

Indicators Your Water Heater Needs Service

Tank water heaters typically signal trouble before total failure. Catching these warnings early prevents bigger problems.

Contact GEM if you notice these symptoms.

A failing element causes water to deplete faster than usual or fail to heat properly. Waltham homes with multiple bathrooms notice this first.

Even minor leaks cause rust and damage if ignored. Many Waltham homes store water heaters where leaks go unnoticed until significant damage occurs.

Crackling, popping, or rumbling indicates sediment accumulation. Waltham’s water accelerates mineral buildup inside tanks, requiring regular service.

Discolored water signals internal corrosion or anode rod deterioration. Without attention, this leads to tank failure.

Water swinging between hot and cold indicates thermostat or element problems. This frequently affects older Waltham water heaters.

Waltham homeowners often see increased utility costs when water heaters struggle. Sediment, worn parts, or age force systems to overwork. Our technicians diagnose the cause and restore efficiency.

Customer and technician shaking hands on the front porch

(833) 222-2953

GEM Technician Explaining Plans to Customer

(833) 222-2953

GEM Is Waltham’s Dependable Plumbing Team

When your water heater breaks, you want assurance the repair will be done right. GEM delivers exactly that.

For over 75 years, Waltham homeowners have trusted GEM for honest, quality plumbing backed by local expertise. Our team treats every home with respect, arriving punctually, explaining clearly, and working safely.

With 500+ trucks and 700 employees, we often reach your Waltham home the same day you call.

You know the cost before work starts, and you always pay a fair rate.

Our Waltham plumbers hold full licensing and training to repair all tank water heater brands.

We arrive on schedule, protect your property, and clean up before leaving.

Book online anytime or call our local team for fast assistance.


What Our Customers Are Saying

100% Satisfaction Guarantee

4.6
Based on 9522 reviews
Matt Brown
12 hours ago
Dory did great work!
RJ
12 hours ago
Joe and Diego were wonderful!!! Knew exactly what they were doing!!! And they both put me at ease right away! Give them both a raise pls.
Edgar Mendez
14 hours ago
Everything is good 100×100 perfect
Bethany Bomar
18 hours ago
Thank you so very much. Cleaned up the things previous service people did not bother with, climbed up into my waycup attic to service that unit also…and you left everything orderly and shiny. Yay GEM guys!
Frank Andrade
1 day ago
Outstanding all the way around. Knowledgeable, honest, and personable. Made a $20,000 bill feel much better.
Joie and Cristian were awesome to work with. They worked on getting my mini split system ready for winter. They were both experienced, efficient, answered all my questions and were just great to speak with.
Dale Easton
1 day ago
Joseph was very professional, courteous, and knowledgeable. He was also pleasant in our discussion of my heating issues.
Rebecca Boff
1 day ago
Fantastic work fixing my toilet and working with myself and the condo association as the water needed to be turned off to several buildings. Professional, friendly and efficient! Jon and Ethan were great! Easy financing options were available, couldn't have gone better, thank you so much!
On time cordial and efficient
Mark Harnois
1 day ago
Tony’s the best!
Explained everything in detail. They were excellent in explaining and showing us how it works. Thank you
Very helpful!!!
Brody and his partner repaired our furnace outage in less than 10 minutes.
CG
1 day ago
Aiden did an excellent job of getting my generator up and running and explaining the system to me Friendly and professional service
Furnace annual inspection.
Dawn Williams
2 days ago
Marcello and his coworker were here within an hour of calling for and urgent issue. They were professional and courteous. Took time to explained the work and cost expectation. And fixed the issue within 45 minutes. So thankful for their help.
Bill Wiech
2 days ago
2 Pro electricians came out it was an emergency within 4 hours throughout my house the phenomenal job respectful Everything went perfect a little pricey but when it's an emergency it's an emergency highly recommend g e m electrical
Lisa
2 days ago
We always call GEM first! Easy appointments. Walter and Anthony were so nice and helpful! Thanks!
Gem is always reliable. Technician was very knowledgeable, really understood steam system, burner components and was a good communicator, able to answer all my questions and give guidance on aspects of water levels and valve settings.
Ashley Trainor
2 days ago
Tony from GEM was amazing! He came to our home and diagnosed the issue, picked up the part, and had hot water to our home within a short period of time! He’s professorial and intelligent! Highly recommend!
Omar and the guys were very professional. They did a great job installing the mini-split. They were very informative. They showed me how to run the cold air and the heat. Omar put down cloths on my floor to protect them, I was thankful for that. I will definitely refer Gem if any of my friends are interested in a mini-split or mini-split.
GEM's arrived on time, checked the HVAC and made recommendations. The gentlemen were neat, clean and polite.
Heather Brennan
2 days ago
Brody was amazing and helped get the system up and running.
E. H.
2 days ago
They were on time, very quick, very polite and provided a link to something that I can purchase on my own to save money.
Peter Morritt
2 days ago
We had a oil furnace and oil tank installed. They took great care of our home and went above and beyond my expectations. They made a very stressful situation something easy to deal with from the communication to sales to install. I thought at first the price was a little high but for the level of professionalism I received it was worth it.


What Working With GEM Looks Like

From Warrendale to Waltham Center, homeowners trust GEM because we make water heater repair straightforward.

Calling an unfamiliar plumber can feel uncertain. GEM eliminates that concern with transparent service throughout.

Every technician entering your Waltham home has cleared thorough background checks and maintains current certifications.

Our plumbers describe problems, show issues when possible, and answer questions before beginning work.

We offer appointment windows that accommodate your life. Need early or late times? We make it work when possible.

Our water heater repairs in Waltham include written warranty protection. If something’s wrong afterward, we return and fix it.

GEM Plumbing Heating Cooling u0026 Electrical service truck exterior

(833) 222-2953

customer and technician interaction

Prevent Issues with GEM’s Home Comfort Club

Remove uncertainty from home maintenance with GEM’s Home Comfort Club. This membership keeps your heating, cooling, plumbing, and electrical systems running optimally.

As a member, you receive priority scheduling, exclusive discounts, and annual tune-ups that catch small issues before emergencies. It’s the simplest way to protect comfort and save money.


Other Water Heater Services You May Need


Book Water Heater Repair in Waltham Now

Cold showers and tepid water don’t need to disrupt your routine. GEM’s Waltham water heater repair team diagnoses problems and restores hot water quickly. From element failures to leaking tanks, we handle everything with same-day service and upfront pricing. Call GEM or book online to schedule repair today.

GEM technician in front of service truck


Waltham Water Heater Repair Questions

Is repair or replacement the better option?

Age and condition guide this choice. Water heaters under 10 years with isolated issues typically warrant repair. Units past 12 years, especially with leaks or corrosion, often make replacement smarter. GEM’s plumbers assess your situation and offer honest recommendations.

Does GEM work on all water heater brands?

Yes. Our Waltham team repairs all major brands of traditional tank water heaters. Electric or gas, our licensed plumbers diagnose quickly and restore hot water.

What causes complete hot water failure?

Total failure usually stems from element burnout, thermostat malfunction, sediment blockage, or power issues. GEM technicians identify the cause and restore operation.

What makes my water heater rumble?

Sediment at the tank bottom creates rumbling during heating. Minerals accumulate over time, trapping heat and causing uneven boiling. Regular maintenance prevents this.

My water heater leaks – what now?

Shut the supply valve above the tank first, then cut power at the breaker or gas valve. Call GEM immediately. Leaks indicate loose fittings or tank failure. Our team offers same-day Waltham service and recommends the best solution.