New High-Efficiency Hot Water System + One Year of Free Home Comfort Club

GEM service team posing together in front of branded vehicle

Jingle All the Way to Comfort

The city that made the bells deserves AC that rings true.

Medford’s mix of historic neighborhoods, Tufts University, and evolving urban districts creates a community in motion. When summer humidity settles along the Mystic River and your cooling system fails, the discomfort affects everyone from students to families.

GEM Plumbing & Heating Services, LLC has been solving these problems for New England families since 1949. Our NATE-certified technicians arrive prepared, diagnose accurately, and repair correctly the first time. Same-day appointments, 24/7 emergency response, and transparent pricing mean your comfort returns without complications. Call GEM today for air conditioning repair services in Medford.

(833) 222-2953


24/7 Emergency AC Repairs

University schedules and family life both need AC at all hours.

When your system fails overnight or during a heat wave, GEM responds. Our technicians are available around the clock.

(833) 222-2953


Call GEM. We’re in Your Neighborhood!

GEM serves all Medford neighborhoods and surrounding Middlesex County.

Our technicians work throughout the city, from the Victorian homes near Medford Square to the neighborhoods around Tufts, from the residential streets of West Medford to properties near Wellington.

Whether you have a colonial in an established neighborhood, a condo in a newer development, or a unit in a multi-family building, we understand the varied housing stock and cooling demands across Medford. Our large HVAC fleets means there’s a GEM truck nearby whenever you need us. Need AC repair services in Medford? 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!

Commuting to Boston takes enough time. Service should be quick.

We work around your schedule and finish the job without dragging it out.

GEM technicians arrive when scheduled, fully equipped.

You know the price before work begins. That’s what you pay.

Our NATE-certified technicians diagnose problems correctly.

Every repair is tested. We explain what we did.

We Repair All Types of AC Issues in Medford

Victorian homes, multi-families, and modern condos each present challenges.

GEM’s air conditioning repair team handles every type of problem Medford residents encounter.

Medford’s 19th and early 20th century homes often have AC added later. Our air conditioning repair technicians in Medford address retrofitting challenges.

Mini-splits are popular throughout Medford. GEM’s air conditioning repair specialists in Medford service all brands.

Properties near the Mystic face higher humidity. Our Medford team diagnoses dehumidification issues.

Triple-deckers and multi-family properties have complex configurations. GEM’s air conditioning repair technicians in Medford troubleshoot shared systems.

Historic homes may limit cooling options. Our air conditioning repair team in Medford works within electrical realities.

Many Medford homes have aging systems. GEM provides expert air conditioning repair in Medford and honest replacement advice.

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 Medford?

A city between Boston and everywhere deserves service that keeps up.

GEM has delivered since 1949.

500 service vehicles. 700+ employees. GEM serves Medford quickly. 

When your system fails, GEM offers same-day air conditioning repair throughout Medford.

Middlesex County residents rely on GEM because we deliver quality.

The quote we give is the price you pay.

Heating, cooling, plumbing, electrical. One company handles it all.


What Our Customers Are Saying

100% Satisfaction Guarantee

4.6
Based on 9701 reviews
Bob Wittman
9 hours ago
Erickson was extremely knowledgeable, personable and professional.He was a pleasure to work with and did an outstanding job.
Dave Doyle
11 hours ago
I recently had a mini splint installed by Evan, Nick and Kerron at GEM. Fantastic experience and service–those guys did great. I also had a Generac put in a few years ago, and am pleased with the overall level of service I get from GEM. Hard to go wrong!
Deb Smith
12 hours ago
Checked my humidifier on the furnace and fixed it. Joe H fixed it, he’s great, as always.
David Casper
12 hours ago
Technicians were wonderful. Very knowledgeable and provided multiple options to address a complex problem. Thank you!!!
Paul Hoyt
13 hours ago
serviced our split system in a competent and efficient manner
Joe Lucia
14 hours ago
Tom and Ethan were professional, knowledgeable, and efficient in unclogging the impeller of our outdoor sump pump and cleaning all the leaves and debris out of the underground basins that feed the pump! Highly recommend!
Bill Scarsciotti
14 hours ago
The technicians were very friendly, courteous and through with the work and explained exactly what was done. Went the extra mile to make sure Everyting was just right and left the place clean.
Stasia Mowry
16 hours ago
A very polite and knowledgeable service technician and good service was given.
Julia Frugoli
16 hours ago
This is fourth time we've used this service. They are quick, professional and knowledgable. Very responsive and worth the money!
Anne Geary
17 hours ago
John came to my home to do yearly heating maintenance. He was very informative and thoughtful. I would recommend him he is very knowledgeable and professional.
Kyla Piquette
17 hours ago
Eric is very professional and helpful. If you contact GEM ask for Eric for your appointment.
jarrod Roach
19 hours ago
Living on the Cape finding a reliable service company can be difficult. GEM is now my go to for HVAC and plumbing service.
Elizabeth Meredith
20 hours ago
Gem is a good company with pleasant people who are always willing to help. We were recently visited by Christopher and Nicholas. Thank you for your help and advice.
Very professional and helpful really appreciate the work you guys did . Top notch
On time, courteous, efficient and explained what they did.
Roland Jarest
2 days ago
Brian and Mason were fantastic and did a great job!
⭐⭐⭐⭐⭐ I had an excellent experience with GEM Plumbing & Heating! Corey was absolutely wonderful. He was professional, knowledgeable, courteous, and very attentive. He took the time to make sure everything was done properly and provided outstanding customer service. It’s refreshing to have someone who genuinely cares about the quality of their work and their customers. I highly recommend Corey and GEM Plumbing & Heating. Thank you, Corey, for such a great experience!
Donald Dos Vais
2 days ago
If l owned a business l’d hire Tom in a New York minute!! I would definitely not score a 10, but an eleven!!!!!!
Sara
2 days ago
Devin was very knowledgeable, professional and incredibly helpful
Eileen Yee
2 days ago
GEM Service Technicians are always pleasant & efficient. GEM scheduling is difficult- , they always cancel & reschedule.
FX Flaherty
2 days ago
David S. was amazing…he not only greatly assisted us with addressing our issues but he did in such a polite and educational manner…I cannot highly recommend enough..he was great!
Jeannine Kolb
2 days ago
Christopher Brouwer is a great technician. He is knowledgeable, professional and personable. I would recommend him to anyone and would welcome him for any future work on my AC system.
Installed my air conditioner. Excellent service!!!
Barry Wepman
2 days ago
Brody and Clarissa were really great. Obviously they knew what they were doing and made reasonable recommendations about ongoing service. Most importantly we’ve got heat! And GEM has a new customer!
Robert DelBove
2 days ago
Kevin arrived on time and I was notified that he was on his way. Good communication on the dispatcher’s part. I showed him the utility room and trusted he would do the work so I got out of his way. He was efficient and got the service completed in no time.

What to Expect When You Work With GEM

Urban and suburban housing both deserve professional service.

At GEM, it is.

Our NATE-certified professionals arrive on time and respect your space.

We explain what’s wrong and present options without pressure.

Your price is set before work starts.

As a Carrier Factory Authorized Dealer and Mass Save® partner, GEM maintains certifications.

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!

Mixed housing stock needs consistent attention.

GEM’s Home Comfort Club gives Medford residents annual tune-ups that catch small problems before they become expensive failures. Members receive priority scheduling and repair discounts throughout the year. Contact us to enroll or learn more!


Other HVAC Services You May Need


Schedule Air Conditioning Repair in Medford, MA With GEM

When your air conditioner is not keeping up with daily cooling demands, GEM offers dependable service focused on careful inspection and targeted repairs. Our technicians work to identify the source of performance issues and restore steady, efficient operation.

From basic service visits to more involved air conditioning repair in Medford, MA, every job is completed by experienced professionals who prioritize quality workmanship and long term system performance.

GEM technician in front of service truck


FAQ

Do you provide same-day AC repair throughout Medford?

Yes. GEM offers same-day air conditioning repair across all Medford neighborhoods.

Can you service ductless systems in Medford?

Absolutely. We service all types of cooling equipment.

What energy rebates are available to Medford residents?

As a Mass Save® partner, GEM helps Medford residents access rebates on qualifying equipment upgrades. We handle the paperwork.

Why does my Medford home near the river stay humid?

The Mystic River valley holds moisture, especially in neighborhoods like South Medford and near Wellington. If your home feels clammy even when the AC runs, you may have undersized equipment, condensate drainage issues, or need whole-home dehumidification.

How often should Medford residents schedule AC maintenance?

Annual maintenance is recommended for all Medford homes, especially older systems working against river valley humidity.

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