October Is Breast Cancer Awareness Month

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

GEM service team posing together in front of branded vehicle

Professional AC Repair for Wellesley Homes

When your AC fails in a Wellesley home, you need service that understands older construction.

Wellesley’s colonials, Capes, and estate homes often have cooling systems retrofitted into structures that weren’t designed for them. When your air conditioner fails on a humid summer day, you need technicians who know how to work with historic construction.

GEM Plumbing & Heating Services, LLC has been doing exactly that for New England families since 1949. Our NATE-certified technicians diagnose accurately and repair correctly the first time. Same-day appointments, 24/7 emergency response, clear pricing. Call GEM today for air conditioning repair services in Wellesley.

(833) 222-2953


24/7 Emergency AC Repairs

Historic homes with modern expectations require responsive service.

When your system fails at night or during a heat emergency, GEM responds. Our technicians are available around the clock to restore your comfort whenever problems occur.

(833) 222-2953


Call GEM. We’re in Your Neighborhood!

GEM serves every Wellesley neighborhood and surrounding Norfolk County.

Our technicians work throughout town, from the grand estates of Wellesley Farms and Cliff Estates to the charming streets near Wellesley Square, from the family neighborhoods of Wellesley Hills to the properties near Babson and Wellesley College.

Whether you have a colonial built before 1939, a mid-century Cape in a quiet neighborhood, or a renovated home with modern systems, we understand the varied cooling demands across this community. One of New England’s largest HVAC fleets keeps a GEM truck nearby whenever you need us. Need AC repair services in Wellesley? Give GEM a call today!

Years in Business

Skilled employees

Emergency Service

Trucks on the Road

GEM technician working on indoor HVAC system with homeowner

(833) 222-2953

It’s Easy to Schedule Your AC Repair With GEM!

Demanding schedules require service that adapts to your needs.

We make it work.

GEM technicians reach Wellesley on schedule, equipped for the job. Your time is respected.

You know the price before work begins. The quote is the bill.

Our NATE-certified technicians solve problems correctly, whether in historic construction or modern installations.

Every repair is tested before we leave. We explain what we did and remain available for questions.

We Repair All Types of AC Issues in Wellesley

Colonial estates and renovated antiques present unique challenges. We’ve seen them all.

GEM’s air conditioning repair team handles every type of problem Wellesley homeowners encounter.

Your AC operates continuously but temperatures keep rising. Our air conditioning repair technicians in Wellesley will diagnose whether it’s refrigerant loss, compressor trouble, or restricted airflow and restore cooling quickly.

When your system shuts down before reaching the set temperature, something is forcing early shutoff. GEM’s air conditioning repair specialists in Wellesley will identify the cause and get full cycles running again.

If your bills increased without changes in usage, your AC is compensating for a problem somewhere. Our Wellesley team will find the inefficiency and correct it.

New sounds from your air conditioner indicate something is loose, worn, or failing inside. Our air conditioning repair team in Wellesley will locate the source and repair it before it worsens.

When one level stays comfortable but another won’t cool, airflow or capacity is the issue. GEM’s air conditioning repair technicians in Wellesley will diagnose the imbalance and restore even temperatures.

When your air conditioner won’t power on at all, waiting isn’t practical. GEM provides 24/7 emergency air conditioning repair in Wellesley to restore cooling as quickly as possible.

GEM service vehicles parked outside customer home

(833) 222-2953

GEM Technician Explaining Plans to Customer

(833) 222-2953

Why Work With GEM for AC Repair Services in Wellesley?

A community built on high standards deserves service to match.

GEM delivers it.

500 service vehicles. 700+ employees. GEM has served New England since 1949, building expertise worthy of Wellesley’s homes. 

When your system fails, GEM offers same-day air conditioning repair throughout Wellesley. Comfort shouldn’t require waiting.

Wellesley families trust GEM because we consistently deliver quality that matches the expectations of this community.

What we quote is what you pay. Complete transparency, always.

Heating, cooling, plumbing, electrical. GEM handles everything your home needs.


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
16 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
16 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
17 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 👏

What to Expect When You Work With GEM

Excellence in execution should be standard practice.

Every visit follows the same high standard so you know exactly what to expect.

Our NATE-certified professionals arrive on time, work carefully, and treat historic homes with appropriate respect. They’re trained to meet high standards.

We explain problems clearly and present options without pressure. You make informed decisions.

Your price is set before work starts. If circumstances change, we discuss it first.

As a Carrier Factory Authorized Dealer and Mass Save® partner, GEM maintains certifications that matter for quality and energy efficiency.

GEM Plumbing Heating Cooling & Electrical branded technician portrait

(833) 222-2953

customer and technician interaction

Prevent Future AC Problems With GEM’s Home Comfort Club!

Preservation requires attention. Your cooling system is no exception.

GEM’s Home Comfort Club gives Wellesley homeowners annual tune-ups that identify issues before they become failures. Our technicians inspect every component, clean coils, verify refrigerant levels, tighten electrical connections, and document system condition.

For Wellesley’s larger homes with historic construction and complex cooling systems, preventive maintenance protects both comfort and investment. Members receive priority scheduling and repair discounts. Contact us to enroll or learn more!


Other HVAC Services You May Need


Schedule Air Conditioning Repair in Wellesley, MA With GEM

If your air conditioner is struggling to cool evenly, making unusual noises, or failing when you need it most, GEM is here to help. Our team takes a detail-driven approach to diagnosing problems and delivering targeted repairs that improve comfort, efficiency, and system lifespan.

Whether it’s a quick fix or a more involved air conditioning repair in Wellesley, MA, our work is backed by decades of hands-on experience and a commitment to restoring dependable cooling without cutting corners.

GEM technician in front of service truck


FAQ

Do you provide same-day AC repair throughout Wellesley?

Yes. GEM offers same-day air conditioning repair across all Wellesley neighborhoods, from Wellesley Farms to Wellesley Hills, Cliff Estates to Wellesley Square. Our large fleet ensures prompt response.

Can you work on AC systems in Wellesley’s historic homes?

Absolutely. Many Wellesley properties feature pre-war construction with retrofitted cooling systems. Our technicians understand the special considerations these homes require and can repair or optimize most installations.

What energy rebates are available to Wellesley homeowners?

As a Mass Save® partner, GEM helps Wellesley residents access rebates for energy-efficient cooling equipment. We’ll explain which programs apply and help you maximize savings on qualifying upgrades.

Why does my larger Wellesley home have uneven temperatures?

Temperature variation in substantial homes typically results from equipment capacity, ductwork design, or zone control issues. Our air conditioning repair technicians diagnose the specific cause and recommend targeted solutions.

How often should Wellesley homeowners schedule AC maintenance?

Annual maintenance is essential for Wellesley homes. Historic construction and complex systems benefit especially from regular tune-ups that maintain efficiency and catch problems before they become emergencies.

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