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

Hot Water You Can Count On, Day After Day

From morning showers to washing dishes after dinner, hot water keeps your household running smoothly. When your water heater fails, you need help from a team that treats your emergency like their own.

That’s exactly what you get with GEM Plumbing & Heating Services, LLC. For more than 75 years, families across Massachusetts 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 Wellesley.

(833) 222-2953


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

GEM knows Wellesley inside and out, from Wellesley Hills to Wellesley Farms and the college area. We’ve installed water heaters in the stately colonials, Tudor estates, and contemporary homes throughout this community.

Being local means we respond faster and serve you better. With our fully stocked trucks and dedicated team, we’re ready to deliver same-day service when your hot water suddenly stops. When you need water heater installation done right, we’re already close by and ready to help.

(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

We know that replacing your water heater can feel overwhelming. GEM’s proven process makes it easy. Here’s what to expect when you need a new water heater installed in Wellesley:

We evaluate your existing water heater and learn about your family’s hot water usage patterns.

You receive clear recommendations with upfront pricing. We discuss options and answer questions before any work starts.

Our team handles removal, installation, and all connections. Every step follows manufacturer specifications and local codes.

We test the system, demonstrate controls, and ensure everything works perfectly. Your space is left clean and your hot water restored.


What Our Customers Are Saying

100% Satisfaction Guarantee

4.6
Based on 9508 reviews
Joanne Bennett
8 hours ago
Exceptional service from GEM. Douglass is absolutely the best !!! … will use them again. Thank You!
buddy croce
8 hours ago
Workers were polite and knowledgeable. They diagnosed the problem right away. And we're able to repair it same day.
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 !
Kate Kelley
1 day 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
1 day ago
Christopher was efficient and courteous and completed my boiler and split unit heat annual maintenance quickly. Highly recommended!
Maureen Walsh
1 day 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
1 day 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
1 day ago
Seemed very knowledgeable and very informative. Friendly service as well.
Jim Harrod
1 day 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
1 day 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
3 days ago
Colin was so helpful and efficient. Highly recommend
Cp School
3 days ago
Courteous, knowledgeable and prompt service!


How to Know When You Need a New Water Heater Installed

Watch for these signs that your water heater needs replacing.

Watch for these indicators in your Wellesley home. When they appear, GEM provides honest advice about your options.

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 Wellesley 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 Wellesley

Your home’s hot water needs depend on your family size, daily routines, and available space. GEM helps you find the right fit.

Here’s a look at the types of water heaters we install in Wellesley:

Tank water heater installation in Wellesley is the tried-and-true choice for most households. These units store 40-80 gallons of heated water, ready whenever you need it. Tank models work with gas or electric power, install affordably, and deliver dependable performance for families running showers, laundry, and dishes throughout the day. For consistent hot water without surprises, a properly sized tank water heater gets the job done.

Tankless water heater installation in Wellesley appeals to homeowners who want endless hot water and energy savings. These compact units heat water on demand as it passes through, so you never run out mid-shower. Tankless systems mount on walls, freeing up floor space in tight basements or utility closets. GEM installs tankless water heaters in Wellesley homes looking for efficiency and long-term value.

Whether tank or tankless, today’s high-efficiency water heaters cut energy use without sacrificing performance. GEM installs ENERGY STAR certified models that qualify for rebates and lower your monthly utility bills. We’ll help you weigh upfront costs against long-term savings to find the smartest choice for your Wellesley home.

GEM Plumbing Heating Cooling u0026 Electrical branded van close-up

(833) 222-2953

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

Choosing the right company for water heater installation matters. Here’s why Wellesley homeowners choose GEM.

GEM has kept Massachusetts families comfortable for over 75 years. Our long-standing reputation reflects our commitment to quality and integrity.

Hot water emergencies demand fast action. GEM’s extensive fleet and team mean we can reach you quickly and complete most installations the same day.

Every GEM plumber is licensed, insured, and trained to the highest standards. We’ve spent decades earning our reputation for quality workmanship and integrity.

We believe in straightforward service without confusion or hidden fees. You’ll know exactly what your installation costs before we begin.

We select water heaters for quality and efficiency. The brands we install deliver dependable hot water and long service life.

From your first call to our office to the final walkthrough with your technician, we focus on your comfort and peace of mind every step of the way.


Our GEM Family Cares for Your System’s Entire Life

Keep your water heater running like new with regular professional maintenance. Small investments in upkeep prevent costly problems.

GEM’s Home Comfort Club makes upkeep easy. Members enjoy annual maintenance visits, priority scheduling, and exclusive discounts on repairs and future installations. We catch small problems before they become expensive emergencies, helping your water heater last longer and perform better.

customer and technician interaction

GEM technician in front of service truck

Contact GEM for Water Heater Installation Services in Wellesley

Ready for reliable hot water again? GEM makes it happen.

Contact us to schedule water heater installation in Wellesley. From emergency replacements to planned upgrades, our process is simple, our pricing is clear, and our results are guaranteed. Call GEM today or contact us online to schedule your water heater installation in Wellesley!


Other Water Heater Services You May Need


Water Heater Installation FAQs

What happens to my old water heater when you install the new one?

We take it with us. GEM handles complete removal and disposal as part of every water heater installation in Wellesley. Our technicians disconnect the old unit, drain any remaining water, remove it from your home, and ensure proper disposal. You don’t need to worry about getting rid of a heavy, bulky appliance yourself.

Does Mass Save 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 Wellesley 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.

My water heater is having problems. Should I repair or replace it?

That depends on what’s wrong and how old the unit is. A relatively new water heater with a failed heating element or faulty thermostat is usually worth repairing. But if your system is approaching 10 years old and showing multiple symptoms like inconsistent temperatures, strange noises, and rust in the water, replacement is typically the smarter investment. GEM serves Wellesley with honest recommendations, not upsells. We’ll tell you what we’d do if it were our own home.

Can I get same-day water heater installation?

In most cases, yes. GEM maintains a large fleet of service trucks throughout the Greater Boston area, and we stock common water heater sizes so we can respond to emergencies quickly. If your water heater fails in the morning, we can often have a new one installed by afternoon. Call us and we’ll let you know what’s available for your Wellesley location that day.

What if my water heater fails on a weekend or holiday?

GEM offers emergency service 7 days a week. Water heater failures don’t wait for convenient times, and neither do we. If your Wellesley home loses hot water on a Saturday night or holiday morning, call us. We’ll respond to restore your comfort.