October Is Breast Cancer Awareness Month

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

Professional Water Heater Replacement Services

Warm water should flow the moment you need it. If you’re standing at the faucet waiting and nothing changes, your water heater may be done.

At GEM Plumbing & Heating Services, LLC, we provide professional water heater replacement services Whether your system has quit entirely or performance has dropped off noticeably, our licensed plumbers will help you choose the right replacement and install it correctly. Give us a call today for water heater replacement services in Medford.

(833) 222-2953


We Serve the Medford Area

Medford homeowners deserve plumbers who show up prepared and treat the job seriously.

Our technicians work this area regularly and understand the housing here. GEM has the team and resources to respond quickly, and our reputation depends on getting it right. We don’t cut corners or treat your home like an afterthought.

Years in Business

Skilled employees

Emergency Service

Trucks on the Road


(833) 222-2953

Same-Day Water Heater Replacement Services

Going without hot water disrupts everything. GEM can typically have yours working again today.

Showers, laundry, dishes, cleaning. All of it stalls when hot water fails. GEM offers same-day replacement services in Medford because waiting until tomorrow compounds the problem. We arrive on schedule, evaluate your situation, and install your new system before you go to bed.

GEM Makes the Water Heater Replacement Process Easy

A failed water heater is stressful. The replacement process should reduce that stress, not add to it.

GEM handles the logistics so you can focus on everything else.

Call or book online to set up an appointment. Same-day availability is common, especially for urgent situations.

Our plumber examines your current system and your home’s plumbing layout. We explain what we find, present your options, and give you pricing before any work starts.

With your go-ahead, we handle everything. Old unit out, new unit in, all connections verified safe and code-compliant.

We confirm proper operation before leaving and show you how the system works. If you have questions, we answer them.

(833) 222-2953


GEM technician standing beside branded service van

(833) 222-2953

Here’s Why You Should Replace Your Water Heater

Water heaters wear out. Replacing yours before complete failure means you control the timeline instead of reacting to a crisis.

Modern water heaters use less energy to produce the same hot water. Your utility bills reflect that difference every month.

Temperature swings and capacity problems disappear with a new system. Hot water works the way you expect it to.

Proper installation by experienced plumbers means equipment that runs better and lasts longer. Cutting corners on installation costs more in the long run.

Updated mechanical systems matter to buyers. A new water heater removes a concern from the inspection list and signals a well-maintained home.

Why Medford Residents Choose GEM for Water Heater Replacements

When you need a water heater replaced, you want competent work, clear communication, and fair pricing. That should be standard.

GEM has operated in Massachusetts since 1949. We’ve built our reputation by meeting those basic expectations consistently.

Our plumbers serve Medford and the Greater Boston area regularly. We’ve worked in the older housing stock throughout this city, from the dense neighborhoods near the squares to the residential streets further out. We know what to expect.

Seventy-five years of water heater replacements. We’ve encountered every setup and handled every complication. Your situation won’t surprise us.

GEM handles plumbing, HVAC, and electrical under one roof. One company for your home’s critical systems simplifies your life.

Our team size and truck inventory let us offer same-day replacement across Medford when you need it.

The price we quote is the price you pay. No hidden fees, no surprise line items after the work is done.

Mass Save offers rebates on qualifying high-efficiency water heaters. GEM identifies what applies and assists with the paperwork. Financing is available if you prefer to spread payments.

We install equipment from manufacturers with proven reliability and stand behind the installation work ourselves.


What Our Customers Are Saying

100% Satisfaction Guarantee

4.6
Based on 9506 reviews
Kate Kelley
15 hours ago
I had a plumbing emergency today & GEM had a guy on my doorstep within 1/2 hour. I couldn’t even get a return phone call from anyone else. Excellent service!
Robert Smith
15 hours ago
Christopher was efficient and courteous and completed my boiler and split unit heat annual maintenance quickly. Highly recommended!
Maureen Walsh
15 hours ago
Rainey was excellent . He explained why my system failed and explained what a new system would cost . We agreed to replace our furnace which was 24 years old . Rainey and Pedro showed up at 8 and before 4 I had a new furnace installed and the old one hauled away .Easily explained all the process , he was excellent
Kate Pomert
15 hours ago
the price put me in sticker shock …..but the work was exceptional. they did a great job and explained to me what they did.
Buck Bruce
16 hours ago
Seemed very knowledgeable and very informative. Friendly service as well.
Jim Harrod
16 hours ago
I was thoroughly impressed with the superb HVAC maintenance service I received from David Santiago and trainee, Kevin today! Before David and Kevin arrived I was very disappointed with having had my original service date rescheduled to what I thought were spurious reasons? In fact David and Kevin arrived after the designated rescheduled date and time today. GEM's communication was excellent throughout and their people seemed genuine and concerned. When David and Kevin arrived it turned the whole situation around. They could not have been more professional and knowledgable! I am now firmly committed to GEM and their Home Comfort maintenance program.
Maren Stack
20 hours ago
Professional, informative, and reliable!
Malek Askar
2 days ago
We just had our heating system replaced. We went from forced hot water system to a central heating and air conditioning system done by GEM plumbing and heating company We had Omar and Michael work in our home for 5 days they installed all the ductwork, the furnace and the condenser. These guys were very professional, kind, clean and informative throughout the whole install every day they explaind what they did and what is the expectation for the next day. Today was the last day they walked me through the whole system, how to change the filter how to operate the new thermostat and what to look for when things are not working properly. I say thank you to the whole team from planing to done, all went great to expectations
Donna Rubinate
2 days ago
Erickson was great. Efficient, friendly and through. Very professional
Dawn Riall
2 days ago
Ryan and his crew were excellent. They were very knowledgeable and took the time to explain things to me. They were helpful and looked for alternatives for my situation. Not looking to simply make a buck and drive up the bill. Even went out of their way to clear way the awful spiders and buckets of water. Would highly recommended Ryan and Gem. Thank you.
Perfect call: rapid diagnosis and plan for repair
Jillian Johnson
2 days ago
Responsive. Organized. Tracks warranties and sets up maintenance schedule.. Various experience levels for specific jobs. Quality work. Pricier but worthy.
Nelson did a great job
On time, friendly, professional and thorough testing and maintenance of old gas boiler and hot water heater, tested all radiators. Great communication about exact arrival time and throughout the process. GEM has well trained professionals. Excellent service as part of my maintenance contract.
Mary Maltezos
2 days ago
Both techs were very professional and answered any questions we had. Also showed us how ro replace humidifier filter when needed. Worked steadily, cleaned furnace and replaced parts requested.
Our service rep Rainey was very professional knowledgeable and described the work and process of how GEM works in an easy to understand way. This was our first time using gem and we had a great experience
AXS441 GM
2 days ago
9-30-26 Excellent! Extremely detailed and thorough. Explained all actions clearly, and very pleasant, and knowledgeable. Very impressed and hope to receive his services in the future. Thank you, A ———————- For Friday. Aug. 21, 2026 by John Excellent!! He checked all vents and 2 air handlers To track locations of Freon. Determined proper pressure levels and other settings were ok but not cooking. Very thorough and knowledgeable. Since performed all these checks, Can he return to finish his work!!! Thank you, Ayres Services were related to lg heat pump, Not items that follow… And price not determined not finished..
Alice Wood
2 days ago
Cane same day, very efficient and great helpful hints, very personable
Thanks to Nehemias and Partner for a great job routine maintaining of my hvac system!
Paul Allen
2 days ago
Great customer service
Heidi Gobeille
2 days ago
Colin was so helpful and efficient. Highly recommend
Cp School
3 days ago
Courteous, knowledgeable and prompt service!
I had a leak coming from my shower into the downstairs. The plumbers were very thorough and found the leak. They cleaned up afterwards and a great job. They kept us informed throughout the process.
Robert Davis
3 days ago
Installers came on time. Finished on time, explained all operational details clearly. Very professional
Excellent customer service. Gem sent their worker to My house and he did a great job 👏

Keep Your New Water Heater in Top Shape with Routine Maintenance

Regular maintenance keeps your new water heater efficient and extends its lifespan.

Sediment accumulates, anode rods deteriorate, and small issues grow into expensive ones without periodic attention. GEM offers maintenance services designed to catch problems early and keep your system running well. Call GEM today to learn more.

customer and technician interaction


GEM technician in front of service truck

Choose GEM for Water Heater Replacement Services in Medford

Straightforward service from plumbers who know what they’re doing. That’s GEM.

We’ve replaced water heaters for Medford homeowners for decades and we’re ready to help you. Give us a call or contact us online today.



Water Heater Replacement FAQs

What water heater options work well for Medford’s older housing stock?

Many Medford homes date to the early or mid-twentieth century with basements that fit traditional tank water heaters. For tighter spaces, tankless models mount on walls and free up floor area. Our plumbers assess your specific layout and recommend what fits best.

What’s the most energy-efficient water heater option?

Heat pump water heaters rank among the most efficient, moving heat instead of generating it directly. High-efficiency tankless models also perform well. Mass Save offers rebates on qualifying equipment, and GEM helps identify eligible models.

Does GEM offer same-day water heater replacement in Medford?

Yes. We know hot water failures are urgent. Our team coverage and stocked trucks make same-day service possible across Medford. Call early for best availability.

How does local water quality affect water heater lifespan?

Hard water accelerates sediment buildup, reducing efficiency and shortening equipment life. Annual flushing and regular maintenance help mitigate this. GEM technicians can advise on maintenance schedules suited to local water conditions.