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24/7 Emergency Service

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Waltham, MA Furnace Repair

Whether you need emergency repair or advice on minor issues, GEM can help!

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Fast Furnace Fixes for Waltham Homes

When your furnace breaks down, dealing with repairs shouldn’t be frustrating.

Consistent heat matters for your household’s comfort, and Waltham homeowners deserve a repair team that delivers. GEM Plumbing & Heating Services, LLC makes furnace repair services streamlined and simple. Call GEM today for hassle-free furnace repair in Waltham!

(833) 222-2953

24/7 Emergency Furnace Repairs

When your furnace quits at 2 AM or during a holiday, Waltham families shouldn’t have to wait until morning.

GEM provides 24/7 emergency furnace repair in Waltham because heating problems don’t wait for business hours. Our vehicles stock parts for immediate fixes, prepared to solve your heating issues.

(833) 222-2953

Call GEM. We’re in Your Neighborhood!

GEM HVAC technicians work throughout Metro West, so Waltham homeowners get fast response when heating emergencies hit.

Our technicians serve all Waltham neighborhoods, from the historic homes near Moody Street and the established areas of Warrendale and Cedarwood to the diverse neighborhoods throughout this vibrant city. We understand the heating systems that keep Waltham families comfortable through New England winters. That local knowledge, reinforced by generations of heating expertise, makes GEM the smart choice for furnace repair in Waltham.

75

Years in Business

700

Skilled employees

24/7

Emergency Service

500

Trucks on the Road

Call (833) 222-2953 to schedule services.

Questions?

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(833) 222-2953

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

GEM makes furnace repair in Waltham straightforward from the first call to the finished job.

Waltham residents juggle busy lives in this growing city. We schedule repairs around your availability and dispatch technicians who navigate the city efficiently.

We make booking your Waltham furnace repair simple. Reach out by phone or online.

Our Waltham technicians carefully inspect your furnace to pinpoint the problem.

Waltham repairs use quality components installed by experienced technicians.

After your Waltham furnace repair, we ensure your system heats your home correctly.

Get Pre-Approved Financing

Financing Options

We Repair All Types of Furnace Issues in Waltham

GEM’s technicians provide comprehensive furnace repair in Waltham for every type of heating system problem.

From century-old homes near the common to modern apartments, Waltham’s varied buildings mean we encounter every furnace configuration.

A Waltham furnace that won’t turn on could have electrical or ignition problems. GEM’s furnace repair in Waltham quickly diagnoses startup failures.

When your Waltham furnace runs but produces inadequate warmth, something is limiting output. Furnace repair in Waltham from GEM restores full heating capacity.

Banging, rattling, or grinding from your Waltham furnace signals problems. Our Waltham furnace repair technicians fix noise sources.

A Waltham furnace that cycles every few minutes wastes energy. GEM’s furnace repair in Waltham stops rapid cycling.

When your Waltham thermostat doesn’t control the furnace properly, communication has failed. Furnace repair in Waltham from GEM restores control.

When Waltham heating costs spike, efficiency problems are driving up costs. Our Waltham furnace repair restores efficiency.

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(833) 222-2953

Don’t Trust Your Home & Family to Just Anyone.

Book an Appointment
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(833) 222-2953

Why Work With GEM for Furnace Repair Services in Waltham?

Waltham families need a heating repair company that delivers honest service and reliable results.

This city blends historic character with modern growth. GEM matches that mix with old-fashioned service quality and up-to-date technical expertise.

GEM delivers same-day furnace repair in Waltham because we understand you can’t wait.

Waltham residents rely on GEM for heating, plumbing, electrical, and cooling needs.

For over 75 years, GEM has provided furnace repairs in Waltham and across Massachusetts.

We keep billing simple and surprise-free.

Waltham families consistently recommend GEM for furnace repair.

What Our Customers Are Saying

100% Satisfaction Guarantee

4.6
Based on 8352 reviews
review us on
Amita Clark
Service is always Great. Joe from GEM was very knowledgeable and did an excellent job.
Michael LaPoint
Very nice guts very professional they did a great job I'm glad I chose GEM thank you chris
Nick Pedrotti
The entire experience was A+. The 2 guys who came out were very friendly, explained everything very well and did a great job. A little pricey but they arrived at my house within 2 hours, took their time but also did not make haste.
John F Ryan
Friendly and efficient team.
Great service.
Roxann Joseph
They were fine did not service our type of boiler
Paula Helm
We have two bathrooms again! Nicole did a fantastic job. Hardworking, honest and knowledgeable, she is truly an asset to the GEM company!!
nancy scorpio
Alex went above and beyond
Lu-Ann L. Ferreira
I just can't say enough about this company and mostly about their workers. This particular project was lead by David C. and was a huge success as I knew it would be. Courteous knowledgeable fair trustworthy honest timely and any other positive word you can think of. David C. You will be back to get my house where I want it to be. Nobody likes to see plumbers coming but I do !!!!
Dave “DeepBlue”
Excellent work on a tricky situation by two pro’s! You have to appreciate people who care about their craft!
Nicki Cicogna
As always great service, quick service, very knowledgeable technicians who take the time to explain everything. I continue to be very pleased with Gem. I’ve been a customer for a very long time.
Debra DeFilippo
A very detailed write up with estimates was provided- love that! Then I don’t have to rely on my memory at all!
James Kelley
Had a hot water heater issue. They came and gave me all the options available to me. Very professional people to deal with. Due to the estimated cost, I will be getting several estimates.
WiseOldOwl2
I've used GEM on multiple occasions and I've found them to be the best at each service they've provided for me. Even their customer service is great.
Marcel Desrosiers
Always great service from GEM !
Just had routine service on my old furnace and William T. and Devanti did a great job!
JC
Chris & Baxter were top notch. Very professional. Great guys. Very personable, polite, & honest. They came out same day, identified the issue very quickly & fixed it even faster. I was thrilled with these guys. Huge thanks fellas!! JC
Cynie Linton
Xavier was extremely helpful, and patient during the service call answering all of my questions in detail. The service could not have been better.
John Barrows
Colin was here promptly at8:00 pm and quickly unclogged my toilet and was on his way to!
James Cerep
The issue was my generator. Technician was very informative, courteous and found the issue. Part was replaced. The generator checked for any other issues. Job well done by Stepen. Issue
Paul G. Monahan
Fixed,,nice man,professional,,beautiful
June Mandosa
Gem did a great job installing GFI outside. Nice guys!!
Carolyn Davis
My tankless water heater failed on Memorial Day weekend and I called Gem plumbing emergency service. I needed to replace my entire combi heating system. It took six days to replace everything but the support was exceptional. They were very professional, told me stop by step what was needed, and accommodated all my needs. I highly recommend them.
Walt Canavan
Two guys were great great personalities great workers could be more pleased
Ellen Farrell
I was able to get an appointment for the very next day for their Promotional $89 cooling tuneup. Their technician Davontay was prompt, knowledgeable and very professional
Othieno Gordon
Great customer service!!! THANK YOU!
Linda Lufkin
Water pipes in basement needed to be replaced. Jim from Gem worked efficiently. Everything was neat and clean. Highly recommend Jim.

Save on Your HVAC Service

Take advantage of our current offers & coupons!

All Offers
Mass Save Heat Pump Installer Network logo

Save on Energy Upgrades

with GEM and Mass Save® Rebates

Explore Rebates

  • $89

    Cooling System Tune-Up

    Expires:

    04/30/2026

    $89 – Cooling System Tune-Up

    *Excludes oil systems. Only for one system. One per customer. Not to be combined with any other offer. If you’re Home Comfort Club member, maintenance is included in your membership. Must schedule by 4/30/2026.

  • Up to $2,000 OFF

    New Cooling System Install

    Expires:

    05/31/2026

    Up to $2,000 OFF – New Cooling System Install

    *Qualifying equipment only. One per customer. Not to be combined with any other offer not stated here. Residential Only.

  • 5% OFF

    Any Service for Seniors & Veterans

    5% OFF – Any Service for Seniors & Veterans

    *Cannot be combined with any other offer or discount. Residential only. Must be presented at time of service.

  • Up to $1,000 OFF

    Ductless Mini Split Install

    Expires:

    05/31/2026

    Up to $1,000 OFF – Ductless Mini Split Install

    *Qualifying equipment only. One per customer. Not to be combined with any other offer not stated here. Residential Only.

  • Financing

    On Work Over $500

    Financing – On Work Over $500

    *Subject to approved credit. Qualifying equipment and services only. See full disclosures at https://askgem.com/financing/.

What to Expect When You Work With GEM

GEM makes furnace repair in Waltham a straightforward experience.

Waltham homeowners receive clear communication and professional service. We explain the diagnosis, discuss options, and complete repairs efficiently.

Waltham repairs draw on proven techniques and reliable components.

The price we quote is the price you pay.

We explain our progress during the job.

GEM’s Waltham crews are licensed professionals focused on lasting repairs.

GEM Plumbing Heating Cooling & Electrical branded technician portrait

(833) 222-2953

Call (833) 222-2953 to schedule services.

Questions?

customer and technician interaction

The Home Comfort Club

Service plan starting at

$49.99 /mo

All Service Plans

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

Prevent unexpected furnace breakdowns in Waltham with regular maintenance from GEM’s Home Comfort Club.

The Home Comfort Club provides Waltham residents with annual tune-ups, priority service, and repair discounts. Enroll by phone or online today!

Schedule Furnace Repair in Waltham With GEM

When your furnace struggles against Massachusetts winters or stops producing heat altogether, every cold hour affects your household. GEM dispatches skilled technicians to identify heating problems, execute reliable repairs, and confirm proper operation before leaving. From startup failures to thermostat issues, GEM handles Waltham furnace repairs with the expertise your system requires.

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We’re Here to Help!

Quality, Friendly Service in Southern New England

(833) 222-2953

Schedule Today

Other HVAC Services You May Need

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Furnace Replacement

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Furnace Maintenance

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Heat Pumps

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Ductless

Furnace Repair FAQs for Waltham Homeowners

How fast can GEM respond to Waltham furnace emergencies?

GEM offers 24/7 emergency furnace repair in Waltham. Our system supports fast scheduling for most calls.

What causes a Waltham furnace to produce weak heat?

Weak heat from a Waltham furnace often indicates dirty burners or airflow restrictions. Furnace repair in Waltham from GEM restores full output.

Does Mass Save serve Waltham homeowners?

Yes. Mass Save offers rebates for qualifying equipment in Waltham. Our technicians are aware of current rebate offerings.

Why does my Waltham furnace cycle so frequently?

Fast cycling commonly indicates filter issues, thermostat issues, or oversized equipment. Furnace repair in Waltham from GEM stops short cycling.

When should Waltham homeowners schedule maintenance?

Waltham homeowners should schedule furnace maintenance annually before heating season.

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