4.6
Based on 8352 reviews
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Carrier Residential Factory Authorized Dealer
North American Technician Excellence - NATE - Certifying the Finest in HVACR
Mass Save | Heat Pump Installer

Your Worcester Home Runs Better with GEM

Worcester keeps growing while its housing stock stays rooted in decades past.

Whether you own a triple-decker on Vernon Hill, a Victorian near Clark, or a single-family in Greendale, your home’s systems need technicians who understand what they’re working with.

GEM Plumbing & Heating Services, LLC has served Central Massachusetts for over 75 years. We respond same-day across Worcester with technicians who arrive prepared, diagnose accurately, and fix problems so they stay fixed.

When your family needs heating, cooling, plumbing, or electrical services in Worcester, trust ours. Call GEM today.

Years in Business

Skilled employees

Emergency Service

Trucks on the Road


(833) 222-2953

Reliable Service Across the City

Worcester’s too big for service that only covers certain neighborhoods. GEM responds throughout the city, from Main South to Tatnuck.

Our technicians know Worcester’s streets and its housing. They understand the older construction common across most neighborhoods and the specific challenges these buildings present. When you call GEM, you get professionals who can handle what your Worcester home requires.

We provide clear pricing before starting any work, communicate throughout the process, and stand behind every repair we complete.


Why Worcester Homeowners Choose GEM

Over 75 years serving Massachusetts families with consistent quality and honest service.

Every GEM technician, plumber, and electrician holds proper licensing, passes background checks, and maintains NATE certification.

Our 500-vehicle fleet serves Vernon Hill, Shrewsbury Street, Green Island, Greendale, Main South, and every Worcester neighborhood.

When systems fail, waiting makes everything worse. We respond quickly to get your home working again.

You know what the job costs before we begin. No surprises, no hidden charges.

Members receive priority scheduling, maintenance discounts, and regular service that prevents costly breakdowns.

Carrier Factory Authorized Dealer and National Grid certifications demonstrate our commitment to quality.

We’ve served this city for decades and take pride in keeping Worcester homes comfortable.


Getting the Help You Need Is Simple

Worcester life moves fast. Getting your home fixed shouldn’t slow you down.

Call with a problem, get a technician who knows what they’re doing, and move on with your day. GEM handles the entire process from diagnosis through completion without complications or delays.

Call or book online. We offer flexible scheduling including same-day appointments throughout Worcester.

Your technician explains what’s wrong, what needs to happen, and exactly what it costs before any work begins.

We complete repairs correctly, clean up thoroughly, and confirm everything works before leaving.

(833) 222-2953

What Our Customers Are Saying

100% Satisfaction Guarantee

4.6
Based on 8352 reviews
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 โ€œDeepBlueโ€
Excellent work on a tricky situation by two proโ€™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. Iโ€™ve been a customer for a very long time.
Debra DeFilippo
A very detailed write up with estimates was provided- love that! Then I donโ€™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.

customer and technician interaction

Peace of Mind, Worry-Free

Maintaining your home can be stressful. Let us help.

Preserve your home’s value, extend your equipment’s life span, and ease your worries with our membership plans.

Well-maintained systems run better, last longer, and save you money on energy bills. Regular care prevents breakdowns, extends equipment life, and keeps your home comfortable year-round. When it’s time to sell, buyers notice homes with documented maintenance history.

Our screened, trained, and experienced technicians serve Worcester homes around the clock.

We’ve serviced the triple-deckers throughout Vernon Hill and the Canal District where aging systems serve multiple families. We’ve worked in the Victorians near the colleges where original plumbing and electrical have seen generations of use. We’ve handled calls in Greendale and Tatnuck where mid-century construction brought different challenges. And we’ve kept pace with newer development downtown where modern systems still need professional attention.

Worcester’s housing tells the city’s history, and our technicians understand what each era of construction requires.

With us, you can spend less money to take better care of your home.

Membership plans pay for themselves. You get discounted rates on service, priority scheduling when problems happen, and regular maintenance that prevents expensive emergency repairs. Efficient systems cost less to run, and catching issues early saves you from major expenses down the road.

Keep all parts of your home operating at peak efficiency with regular maintenance tune-ups.

Your HVAC, plumbing, and electrical systems work together to keep your home running. Regular tune-ups ensure everything operates efficiently, safely, and reliably. We inspect, clean, and adjust systems before problems start, so you avoid breakdowns when you need your systems most.


GEM technician servicing a Carrier outdoor unit

Heating and Cooling Services in Worcester, MA

Worcester winters hit hard and summers bring real heat. Your HVAC system works year-round to keep your household comfortable.

GEM provides complete heating and cooling services across the city, from emergency repairs to system upgrades that improve efficiency and lower operating costs.

(833) 222-2953

Heating & Cooling Icon

Furnaces for Worcester Homes

A furnace failure during a Worcester winter affects everything. Work, sleep, and daily routines all suffer until heat returns.

GEM’s heating technicians respond throughout the city to restore warmth quickly. From minor repairs to full system upgrades, we provide clear guidance and dependable workmanship at every step.

  • Furnace Installation: We match furnaces to your Worcester home’s heating requirements, ensuring adequate capacity and efficient operation through the coldest months.
  • Furnace Replacement: When your furnace costs more to keep running than to replace, we install modern equipment that heats better and uses less fuel.
  • Furnace Repair: Ignition problems, blower failures, and uneven heating all indicate issues we can identify and resolve to restore reliable warmth.
  • Furnace Maintenance: Annual service catches problems early, maintains efficiency, and helps your furnace last significantly longer.
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Air Conditioning Services in Worcester

Worcester summers bring humidity that makes working AC essential for actual comfort, not just convenience.

Our cooling technicians keep systems running through heat waves with responsive service and lasting repairs.

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Heat Pumps

Heat pumps offer heating and cooling in one system, making them practical for Worcester homeowners looking to consolidate equipment.

GEM helps Worcester homeowners maximize heat pump performance through expert installation, timely repairs, and regular maintenance. Our certified technicians understand these systems thoroughly.

  • Heat Pump Installation: We configure heat pump systems for effective year-round operation, properly sized for your Worcester home.
  • Heat Pump Replacement: When your current heat pump loses effectiveness, newer technology delivers significant improvements in performance.
  • Heat Pump Repair: Mode switching problems, reduced output, and unusual cycling all respond to our diagnostic approach.
  • Heat Pump Maintenance: Seasonal service maintains proper refrigerant levels and keeps all components functioning correctly.
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Ductless Mini-Splits

Many Worcester homes lack ductwork in certain areas, and additions often weren’t connected to central systems. Ductless units solve these problems.

GEM’s ductless specialists design and install systems that heat and cool specific areas without requiring ductwork modifications. The result is quiet, efficient comfort exactly where you want it.

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Boilers

Boiler heat remains widespread across Worcester, especially in the multi-family buildings and older homes throughout the city.

GEM’s heating team provides comprehensive boiler services to keep your system safe, efficient, and dependable. We service both gas and oil boilers using quality components and proven techniques.

  • Boiler Installation: We install boilers sized for your home’s distribution system, ensuring even heat throughout every room.
  • Boiler Repair: Pressure issues, leaks, uneven heating, and ignition problems all fall within our expertise.
  • Boiler Maintenance: Annual cleaning and inspection prevents efficiency losses and extends your boiler’s working life.
A piggy bank represents Mass Save rebate savings

Oil-to-Gas Conversions

Natural gas offers cleaner operation and often lower costs than oil heating.

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Radiant Heating Systems

Radiant heat delivers consistent warmth without the air movement and dust circulation of forced-air systems.

GEM installs and services radiant heating that keeps Worcester homes comfortable with quiet, even heat.

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Indoor Air Quality Solutions

Indoor air quality affects health and comfort year-round, especially in tightly sealed homes during heating season.

GEM offers filtration, purification, and humidity control that improves indoor air quality throughout your Worcester home.

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Thermostats & Smart Home Devices

Smart thermostats optimize comfort and efficiency by adjusting to your actual schedule rather than running constantly.

GEM installs connected devices that give Worcester homeowners control over their HVAC systems remotely.

Plumber repairing kitchen faucet

Complete Plumbing Services in Worcester, MA

Plumbing problems disrupt households immediately. Leaks cause damage, backups create health concerns, and water heater failures affect everything.

GEM’s licensed plumbers respond throughout Worcester with the expertise to handle residential plumbing emergencies and planned improvements.

(833) 222-2953

Water Heaters

Water Heater Repair & Replacement

Hot water supports daily life from morning to night. When your water heater fails, the entire household feels it.

GEM services tank and tankless systems with the urgency these situations require.

  • Traditional Water Heater Installation: We install tanks sized for your household’s usage, positioned for safe and efficient operation.
  • Traditional Water Heater Replacement: When your tank fails or efficiency drops significantly, we replace it with equipment matched to your needs.
  • Traditional Water Heater Repair: Heating problems, leaks, and thermostat issues respond to our diagnostic expertise.
  • Traditional Water Heater Maintenance: Flushing sediment and inspecting components extends tank life and maintains performance.
  • Tankless Water Heater Installation: On-demand systems eliminate tank recovery time. We install units configured for your Worcester home’s hot water demand.
  • Tankless Water Heater Replacement: When tankless equipment ages out, current models offer improved flow rates and efficiency.
  • Tankless Water Heater Repair: Error codes, temperature problems, and ignition failures all indicate issues we can resolve.
  • Tankless Water Heater Maintenance: Annual descaling maintains tankless system performance and longevity.
Drain Cleaning Icon

Drain Clog Removal & Sewer Services in Worcester

Slow drains and recurring clogs mean buildup that household products won’t clear.

GEM’s drain cleaning removes accumulated debris from your Worcester home’s drain lines, restoring proper flow.

  • Kitchen Drains: Grease, food waste, and soap build up inside pipes, gradually reducing flow. Professional cleaning removes deposits before complete blockages form.
  • Bathroom Drains: Hair, soap scum, and personal care products combine into tough clogs that standard methods can’t clear.
  • Basement and Utility Drains: Floor drains collect debris and sediment that cause backup during storms if not cleaned regularly.
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Water Filtration & Water Quality Improvements

Water quality varies across Worcester, and many households benefit from treatment that improves taste, removes hardness, or addresses contaminants.

GEM installs systems tailored to your specific concerns.

  • Water Purifier System Installation: Whole-home purification delivers cleaner water from every tap in your Worcester home.
  • Water Softener Installation: Soft water prevents scale accumulation and improves the effectiveness of soaps and detergents.
  • Water Softener Maintenance: Regular service keeps softening systems functioning effectively.
  • Water Softener Repair: When your softener stops working properly, we identify the problem and restore operation.
  • Water Softener Replacement: Aging softeners lose effectiveness. Modern equipment delivers better results more efficiently.
Well Systems Icon

Well System & Well Pump Repair

When your well pump malfunctions, household water supply stops completely. GEM provides professional well pump services including installation, repair, and replacement to maintain dependable water flow for Worcester area properties on private wells.

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Kitchen & Bath Remodels

Outdated plumbing fixtures affect both the function and value of your Worcester home.

Corroded faucets, sluggish drains, and inconsistent pressure indicate systems ready for upgrades. GEM’s plumbers install modern fixtures that improve daily convenience while complementing your home’s style.

  • Kitchen Faucets
  • Bathroom Faucets & Toilets
  • Garbage Disposal
  • Hot Water Dispenser
  • Drinking Water Filter
  • Appliance Hook Up
  • Cooking Upgrades
  • Spa Bathroom
Leaks Icon

Plumbing Leaks

Ceiling stains, musty odors, and dripping sounds often signal hidden leaks causing ongoing damage.

In older Worcester properties, worn connections and aging pipe materials frequently develop small leaks that grow into expensive problems. Our technicians use specialized detection equipment to locate leaks precisely, complete permanent repairs, and prevent water damage from spreading through walls, floors, and foundations.

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Hydro Jetting

When standard drain snaking can’t clear stubborn blockages, hydro jetting scours the entire pipe interior with high-pressure water.

This service safely removes grease accumulation, tree root intrusion, and years of buildup from Worcester drain lines. Hydro jetting restores full flow capacity and reduces future clog frequency throughout your plumbing system.

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Sump Pumps

Worcester basements face water intrusion during wet seasons, and functional sump pumps prevent serious damage.

GEM keeps these essential systems working reliably.

  • Sump Pump Installation: We install pumps with appropriate capacity and proper discharge routing to protect your basement.
  • Sump Pump Replacement: When your pump fails or can’t handle water volume, we upgrade to equipment that can.
  • Sump Pump Repair: Pumps running constantly, failing to activate, or making unusual sounds need attention before the next storm.
  • Sump Pump Maintenance: Regular testing ensures your pump performs when conditions require it.
Electrician installing a pendant light in a kitchen.

Power Your Home With GEM’s Worcester Electricians

Electrical problems demand professional attention. Flickering lights and tripping breakers indicate issues that shouldn’t wait.

GEM’s licensed electricians serve Worcester with the expertise these systems require.

(833) 222-2953

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Standby Generator Repair & Installation in Worcester

Worcester sees power outages during storms, and backup generators keep essential systems running until power returns.

GEM installs and maintains generators that provide automatic protection when the grid fails.

  • Generator Installation: We size generators for your home’s critical loads and install them with proper transfer equipment.
  • Generator Replacement: When your generator becomes unreliable, we upgrade to current equipment with better performance.
  • Generator Repair: Generators that won’t start or run poorly need service before the next outage.
  • Generator Maintenance: Regular service ensures your generator activates immediately when needed.
Lighting Icon

Indoor & Outdoor Lighting Design

Good lighting affects how your home looks, feels, and functions throughout the day and night.

GEM electricians install lighting solutions that enhance your Worcester property.

  • Indoor Lighting: Recessed fixtures, pendant lights, under-cabinet illumination, and accent lighting tailored to your Worcester home’s style and function.
  • Outdoor Lighting: Durable, efficient landscape and security lighting for walkways, driveways, patios, and yards that improves safety and curb appeal.
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Electrical Panel Upgrades

Your electrical panel must safely handle your Worcester home’s power demands as you add appliances, devices, and technology.

GEM’s electricians evaluate your current capacity, explain upgrade options, and install panels that deliver reliable power with room for future needs.

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Commercial Electrical Services

Worcester businesses depend on consistent electrical service to operate efficiently and safely.

Our commercial electricians serve retail locations, office buildings, and light-industrial facilities throughout the city. We handle lighting upgrades, panel work, safety inspections, and emergency repairs that keep local businesses running.

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Surge Protectors

Storm activity, grid fluctuations, and aging infrastructure expose Worcester homes to damaging power surges.

Whole-home surge protection installed at your electrical panel guards every circuit and connected device against voltage spikes that destroy electronics and appliances.

Rewiring service icon representing professional plumbing repairs

Rewiring & Wiring Installation

Older Worcester properties often contain wiring that cannot safely meet modern electrical loads.

Flickering lights, frequently tripped breakers, and outlets that feel warm indicate systems needing professional attention. GEM replaces outdated wiring to current codes, delivering safe, reliable power throughout your home.

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EV Chargers

Home charging makes electric vehicle ownership more practical and convenient for Worcester drivers.

GEM’s certified electricians install Level 2 chargers in garages and driveways, providing faster charging speeds and professional wiring that meets safety standards.

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Carbon Monoxide & Smoke Detector Installation

Properly placed and maintained detectors provide critical early warning against invisible dangers.

Our electricians install smoke and CO detectors in optimal locations throughout your Worcester home, test each unit, and ensure battery backup systems function correctly.

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Smart Home Installation

Connected devices and smart home systems add convenience, efficiency, and control to modern Worcester homes.

GEM’s electricians install and integrate smart thermostats, lighting controls, security components, and energy monitoring systems that work together seamlessly.

Ready for Reliable HVAC, Plumbing, and Electrical Services in Worcester?

Worcester deserves service from professionals who know the city, respond quickly, and complete work correctly.

GEM has been that team for Central Massachusetts since 1949. Call us or schedule online for same-day response throughout Worcester.

GEM technician in front of service truck


Frequently Asked Questions

What areas does GEM serve in Massachusetts?

GEM serves Worcester and communities throughout Central and Eastern Massachusetts, plus all of Rhode Island. Our large fleet provides fast response across our entire service area.

How quickly can I schedule service?

Same-day appointments are available for most calls. We’ll match you with a technician who can reach your Worcester home quickly.

Are your technicians licensed and insured?

Every GEM technician, plumber, and electrician carries proper licensing and insurance and has passed background checks. HVAC specialists hold NATE certification.

What systems do you service?

We work on all major HVAC, plumbing, and electrical brands regardless of age or manufacturer.

How can I avoid emergency repairs?

Regular maintenance catches most problems before they cause failures. GEM’s Home Comfort Club includes scheduled tune-ups, priority service, and member discounts.