4.6
Based on 8530 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

When Your Portsmouth Home Needs Professional Help

When something breaks in your Portsmouth home, you need technicians who understand island weather and coastal conditions.

A heating system failing during a winter nor’easter or a plumbing issue in a waterfront home can disrupt life quickly on Aquidneck Island. Homes face salt exposure, strong winds, and seasonal shifts that place extra demands on Portsmouth heating, cooling, plumbing, and electrical systems. GEM Plumbing & Heating Services, LLC provides reliable, year-round expertise tailored to island living. When your home needs help, call GEM.

Years in Business

Skilled employees

Emergency Service

Trucks on the Road


(833) 222-2953

Service That Understands Portsmouth’s Character

Portsmouth homeowners value the town’s blend of rural character and waterfront access, creating properties with diverse requirements.

Historic farmhouses, waterfront estates, and contemporary residences all require technicians who understand quality workmanship. Our professionals arrive prepared, work cleanly, and provide solutions that last. When your Portsmouth home needs attention, you deserve service that respects the rural and waterfront character of this community.


Why Portsmouth Homeowners Choose GEM

Over 75 years serving New England families who appreciate reliable service from experienced professionals.

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

Our 500-vehicle fleet serves Portsmouth and the surrounding island communities with reliable response times.

Your schedule matters. We respond quickly and work efficiently throughout Portsmouth.

Farmhouses, waterfront properties, and homes on generous lots all receive appropriate expertise.

Members receive priority scheduling, maintenance discounts, and regular service that protects system performance.

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

Portsmouth’s location places it conveniently within our standard service territory.


Getting the Help You Need Is Simple

Professional service should involve clear communication and transparent pricing, not uncertainty.

GEM serves Portsmouth with straightforward processes. Call, schedule, receive quality work.

Call or book online. We accommodate Portsmouth schedules with flexible appointment times and same-day availability.

Your technician evaluates the situation, explains findings clearly, and provides pricing before beginning work.

We complete repairs properly, protect your floors and furnishings, and confirm everything functions before leaving.

GEM technician working on indoor HVAC system with homeowner

(833) 222-2953

What Our Customers Are Saying

100% Satisfaction Guarantee

4.6
Based on 8530 reviews
Great team came to fix our leaking pipe. Truly professional. Did what needed to be done and were extremely well versed in codes and fixing mistakes of the past.
Had a furnance replaced. Went with a tank less water and furnace combi. Best decision made.
Excellent Service!! As usually
Nick is extremely knowledgeable and polite. Service to our AC was exceptional.Thank you. Highly recommend GEM…and especially Nick.
They provided fast and professional service.
Thank you Ryan for helping my case today. Called GEM this morning because my water heater broke out of the blue and there was water all over my basement. They put me on an emergency list and within an hour I had the guys here to check it out. Unfortunately I needed a new water heater and they were able to help me with that. They were fast, cordial and very efficient. Iโ€™m recommending them to everyone I know and have their number saved on my phone.
Joe and Danny came and did a great job. Replaced three-valve shower faucet with a single valve.
David came to fix the flange for my toilet. He made a quick and effective diagnosis and then did the repair in just a few hours, anytime I run into plumbing issues ill be calling GEM again, wonderful service
he did a great job
GEM came thru when our sinks were clogged. Colin exhibited professionalism in every way
Thoughtful and shared every step.
GEM workers well qualified, friendly and extremely helpful. Installed two new units in one day – efficient and excellent work.
Great service and smart young man Jordan was able to quickly solve problem with my AC unit and was extremely professional and talked me through the problem!
Thank you so much to Bill and Anthony for coming out and repairing our furnace. They were both very friendly and knowledgeable and answered all of my questions! Thank you again!!
Jonathan was very neat and helpful with my emergency plumbing needs
Honest and fair. Work was clean and well communicated. Response to issue was 24 hours. The three techsโ€ฆAnthony, Brody, and Nick, were polite quiet clean work and communicated step by stepโ€ฆ job well done.
Paul V from Carmineโ€™s, arrived promptly and was very professional, knowledgeable, patient and has a great demeanor. He changed the control board of my HAVAC unit, and gave me great suggestions of the usage of it. Paul is very sincere and you can see his dedication to his work. I would definitely recommend Carmines and Paul V for any of your HAVAC needs.
Friendly, explained what was being done and what to watch out for.
Great job by David
Victor is the best. He fixed our clogged pipes and came out right away
Great service ! They were on time, respectful and took care of business quickly and efficiently
Lost our well water tank, great job with replacement. While here had them replace kitchen faucet and garbage disposal also. Will use GEM from now on!
Eric and Steve are great. Got the job done fast. Cleaned up. Terrific work.
We had 2 very old direct vent gas wall heaters replaced. Evan and Steve are the best. They explained everything and did a awesome job for never putting in these Rianni heaters . Kept me informed and answered all my questions and eased my concerns . Couldn't of asked for two better guys. The electrician and his assistant were outstanding with the fact the house was
built in 1925 with older wiring . Chen and his assistant installed 2 dedicated circuit for both heaters to run on and it works out great as now my air conditioner will run on the dedicated circuit this summer. Would recommend all of them for future heating needs .
We had the bathroom one downsized to a smaller unit with no issue what so ever even with them having to remove the bigger one they had put in they were happy to accommodate the issue
They are sweet, knowledgeable and quick. Thank you guys for an excellent job done, I appreciate it.

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.

You are covered around the clock with technicians who work across Portsmouth every day and understand how island weather, coastal exposure, and varied home styles influence system performance.

We service boilers in older homes along East Main Road where radiant heat requires experienced attention. We maintain heat pumps in the waterfront properties around Common Fence Point where efficient, all-season systems are ideal for coastal conditions. We install and support mini-splits near Portsmouthโ€™s historic center where preserving original architecture makes ductless solutions the right fit.

We size and replace water heaters in Island Park properties where seasonal use and high-demand periods require flexible capacity. We upgrade electrical panels near Bristol Ferry as families add EV chargers, home offices, and modern appliances. We install and maintain generators throughout Portsmouth where island geography and bay exposure can lead to longer outage times during major storms.

From Melville to Sandy Point, and from Prudence Island to the Mount Hope Bridge, our teams understand what Portsmouth homes genuinely need because we have been solving these problems for years.

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 performing in-home HVAC service consultation

Heating and Cooling Services in Portsmouth, RI

Portsmouth winters demand reliable heating, and humid bay summers make air conditioning valuable for comfortable living.

GEM provides comprehensive HVAC services throughout Portsmouth, from emergency repairs to system replacements.

(833) 222-2953

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Furnaces for Portsmouth Homes

When your furnace fails during a Portsmouth winter, you need technicians who respond promptly and understand the community’s varied housing stock.

GEM’s heating specialists restore warmth to homes throughout town with expertise across furnace types and brands.

  • Furnace Installation: We size and install furnaces matched to your Portsmouth home’s heating requirements.
  • Furnace Replacement: When furnaces reach end of service life, we help select equipment that meets your comfort expectations.
  • Furnace Repair: Ignition problems, blower malfunctions, and heat distribution issues all respond to our diagnostic expertise.
  • Furnace Maintenance: Annual service maintains efficiency and catches developing problems before they cause disruption.
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Heat Pumps

Heat pumps provide efficient year-round comfort, practical for Portsmouth homeowners seeking both performance and energy savings.

GEM helps Portsmouth families maximize heat pump benefits through proper installation and maintenance.

  • Heat Pump Installation: We configure heat pump systems for optimal performance in Portsmouth’s island climate.
  • Heat Pump Replacement: Current heat pump technology offers significant improvements over older units.
  • Heat Pump Repair: Mode switching problems and output issues indicate conditions our technicians resolve effectively.
  • Heat Pump Maintenance: Regular service maintains efficiency and extends equipment lifespan.
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Ductless Mini-Splits

Portsmouth’s historic homes, many built before ductwork was standard, benefit from ductless systems that provide comfort without major construction.

GEM’s ductless specialists design and install systems that heat and cool specific areas while preserving historic character.

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Air Conditioning Services in Portsmouth

Bay exposure adds humidity to Portsmouth summers, making reliable air conditioning valuable for comfortable living.

Our cooling technicians keep your system running through heat waves with responsive service.

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Boilers

Boiler heat remains common in Portsmouth’s historic farmhouses and established homes, providing reliable warmth through radiators and baseboard systems.

GEM’s heating team provides comprehensive boiler services for safe, efficient operation.

  • Boiler Installation: We install boilers matched to your home’s existing heat distribution configuration.
  • Boiler Repair: Pressure problems, leaks, and circulation issues all fall within our expertise.
  • Boiler Maintenance: Annual service maintains safety, efficiency, and reliability throughout the heating season.
A piggy bank represents Mass Save rebate savings

Oil-to-Gas Conversions

Where natural gas service reaches your Portsmouth property, converting from oil can simplify maintenance and reduce costs.

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Radiant Heating Systems

Radiant floor heat provides even warmth without drafts, working well in Portsmouth homes of every era.

GEM installs and maintains radiant systems throughout town.

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Indoor Air Quality Solutions

Portsmouth’s coastal setting creates air quality considerations many homeowners address with treatment systems.

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

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Thermostats & Smart Home Devices

Smart thermostats provide control and efficiency benefits for Portsmouth homeowners regardless of home age.

GEM installs connected devices that modernize comfort management.

GEM HVAC technician performing outdoor system maintenance

Plumbing Services in Portsmouth, RI

Your plumbing should work without you thinking about it. GEM provides trusted plumbing services to our Portsmouth neighbors.

From emergency repairs to planned renovations, GEM’s licensed plumbers handle every plumbing challenge Portsmouth homes present.

(833) 222-2953

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Plumbing Leaks

Water stains, musty odors, and unexpected moisture often signal hidden leaks causing ongoing damage.

In Portsmouth’s varied housing stock, aging connections develop leaks that threaten floors, walls, and finishes. Our technicians locate leaks precisely and complete permanent repairs.

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Hydro Jetting

When standard drain clearing can’t remove stubborn blockages, hydro jetting scours pipe interiors with high-pressure water.

This service removes grease accumulation and root intrusion from Portsmouth drain lines, restoring full flow capacity.

Water Heaters

Water Heater Repair & Replacement

When your water heater fails, morning routines and daily household convenience suffer immediately.

GEM provides Portsmouth homeowners with complete water heater services from diagnosis to installation.

  • Traditional Water Heater Installation: We install tank units sized for your household’s hot water requirements.
  • Traditional Water Heater Replacement: When repair isn’t practical, we remove old equipment and install appropriate replacements.
  • Traditional Water Heater Repair: Temperature inconsistencies, leaks, and unusual noises all indicate conditions we can address.
  • Traditional Water Heater Maintenance: Regular service extends tank life and maintains efficiency.
  • Tankless Water Heater Installation: Endless hot water and energy efficiency make tankless units popular in Portsmouth homes.
  • Tankless Water Heater Replacement: When tankless units age out, we install current models with improved features.
  • Tankless Water Heater Repair: Error codes and temperature problems indicate issues we can resolve.
  • Tankless Water Heater Maintenance: Annual service maintains tankless performance.
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Drain Clog Removal & Sewer Services in Portsmouth

Slow drains and blockages disrupt household routines and require professional clearing.

GEM’s drain specialists restore proper flow throughout your plumbing system.

  • Kitchen Drains: Grease accumulation and food debris create kitchen drain clogs we clear effectively.
  • Bathroom Drains: Hair, soap residue, and mineral buildup respond to professional drain clearing techniques.
  • Basement and Utility Drains: Floor drains collect debris and sediment that cause backup during storms if not cleaned regularly.
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Well System & Well Pump Repair

Many Portsmouth properties rely on private wells for water supply. GEM provides well pump installation, repair, and replacement to maintain reliable water flow for homes throughout this community.

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Kitchen & Bath Remodels

Outdated plumbing affects both function and aesthetics in Portsmouth’s varied homes.

Dated fixtures, inefficient configurations, and aging supply lines indicate systems ready for professional upgrades. GEM’s plumbers install fixtures that complement your home’s character while meeting modern standards.

  • Kitchen Faucets
  • Bathroom Faucets & Toilets
  • Garbage Disposal
  • Hot Water Dispenser
  • Drinking Water Filter
  • Appliance Hook Up
  • Cooking Upgrades
  • Spa Bathroom
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Water Filtration & Water Quality Improvements

Portsmouth water quality, whether municipal or well-sourced, benefits from treatment systems that address hardness and impurities.

GEM installs and services water treatment equipment throughout town.

  • Water Purifier System Installation: Whole-home filtration improves water quality at every tap and appliance.
  • Water Softener Installation: Soft water prevents scale buildup and extends plumbing system life.
  • Water Softener Maintenance: Regular service keeps softening systems functioning properly.
  • Water Softener Repair: When softeners malfunction, we diagnose and correct problems promptly.
  • Water Softener Replacement: Aging softeners lose effectiveness and benefit from replacement.
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Sump Pumps

Waterfront and low-lying Portsmouth properties benefit from working sump pump protection.

GEM keeps these important systems ready when groundwater rises.

  • Sump Pump Installation: We install pumps with capacity matched to your property’s water intrusion patterns.
  • Sump Pump Replacement: When pumps fail, prompt replacement protects basements and finished spaces.
  • Sump Pump Repair: Pumps cycling constantly or failing to activate need professional attention.
  • Sump Pump Maintenance: Regular testing confirms your pump will function during coastal storms and high tides.
GEM HVAC technician installing ceiling fan indoors

Power Your Home With GEM’s Portsmouth Electricians

Portsmouth’s electrical systems range from original wiring in historic farmhouses to modern installations in newer construction.

GEM’s licensed electricians serve Portsmouth with expertise across all residential electrical work.

(833) 222-2953

Lighting Icon

Indoor & Outdoor Lighting Design

Proper lighting enhances Portsmouth homes and properties while improving safety and security.

GEM electricians install lighting solutions that complement your home’s character.

  • Indoor Lighting: Recessed fixtures, pendant lights, under-cabinet illumination, and accent lighting tailored to your home’s style.
  • Outdoor Lighting: Landscape, pathway, and security lighting that improves safety while highlighting your property’s features.
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Standby Generator Repair & Installation in Portsmouth

Power outages affect island communities, and generators keep essential systems operational when storms strike.

GEM installs and maintains backup power for Portsmouth homes with sizing guidance and ongoing service.

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Electrical Panel Upgrades

Your electrical panel must safely handle modern power demands as you add appliances, devices, and technology.

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

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Surge Protectors

Coastal storms and grid fluctuations expose Portsmouth homes to damaging power surges.

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

Rewiring service icon representing professional plumbing repairs

Rewiring & Wiring Installation

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

Flickering lights, frequently tripped breakers, and warm outlets indicate systems needing professional attention. GEM replaces outdated wiring to current codes while respecting historic details.

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Commercial Electrical Services

Portsmouth businesses along East Main Road and throughout town depend on consistent electrical service.

Our commercial electricians handle lighting upgrades, panel work, safety inspections, and emergency repairs for local businesses.

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EV Chargers

Home charging makes electric vehicle ownership practical for Portsmouth residents commuting to Providence or Newport.

GEM’s certified electricians install Level 2 chargers that provide faster charging speeds with professional wiring.

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Smart Home Installation

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

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

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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 Portsmouth home with tested battery backup.

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

When your Portsmouth home needs professional attention, GEM provides the expertise and quality service you expect.

We’ve served New England families since 1949, including the island communities of Aquidneck. Call us or schedule online for same-day response throughout Portsmouth.

GEM technician in front of service truck


Frequently Asked Questions

Does GEM serve all of Portsmouth?

Yes. From Common Fence Point to Island Park, from the Mount Hope Bridge to the Middletown line, we serve every Portsmouth address including Prudence Island.

How quickly can I get service?

Same-day appointments are available for most calls. Portsmouth’s island location is well within our service network.

Do your technicians have experience with historic homes?

Yes. Portsmouth’s farmhouses and older properties require technicians who understand historic construction. Our team adapts approach to building age and character.

What makes GEM different from other providers?

We combine comprehensive capabilities with genuine commitment to quality work. Portsmouth homeowners receive service that respects their property’s character and island setting.

How can I prevent emergency repairs?

Regular maintenance catches problems before they become emergencies. GEM’s Home Comfort Club includes scheduled service that keeps Portsmouth homes running reliably.