Enjoy Cleaner, Healthier Water Throughout Your Home

Your family deserves clean, safe water, and it shouldn’t be a guessing game. If your tap water tastes strange, leaves stains, or makes you worry about what’s in it, you’re not alone.

Many New England homes deal with hard water or contaminants. A whole-home water purifier fixes these problems by treating water at the source, delivering cleaner, better-tasting water to every tap.

GEM Plumbing & Heating Services, LLC installs high-quality systems that remove impurities, protect plumbing, and give homeowners confidence in the water they’re drinking and bathing in. With more than 75 years serving Rhode Island and Southeast Massachusetts, GEM helps you choose the right purifier and installs it with care and clarity.

A professionally installed water purification system makes everyday life easier, healthier, and more comfortable.

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Understanding Whole-Home Water Purification Systems

Clean water is something every home relies on, but not every plumbing system delivers it.

Many homeowners don’t realize that tap water can carry sediment, chlorine, minerals, and contaminants that affect everything from taste to the lifespan of your appliances. A whole-home water purifier is installed at the main water line, so it treats every drop before it reaches faucets, showers, and appliances. Water passes through advanced filtration media that traps impurities, reduces odors, and neutralizes unwanted chemicals, ensuring clean, safe water throughout your home.


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GEM’s Seamless Installation Process

Installing a whole-home water purifier is a big upgrade, and it helps to know exactly what to expect. GEM explains how the process works so you understand how your system is set up and how it protects your home.

We start by evaluating the water entering your home and identifying any contaminants or concerns. This helps us determine exactly what type of filtration system will provide the results you’re looking for.

No two homes are the same, and neither are their water needs. We provide a clear set of options tailored to your water test, household size, and plumbing system, so you can choose confidently.

Our licensed plumbers install your system at the point where water enters your home, ensuring the purifier protects every tap. We work efficiently while maintaining clean, code-compliant craftsmanship.

Once installed, we run a full system check to confirm proper flow, filtration, and operation. If adjustments are needed, we make them on the spot for peak performance.

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What Our Customers Are Saying

100% Satisfaction Guarantee

4.6
Based on 8414 reviews
Thomas Ladd
Solved our problem! Terrific! Patient and polite technician.
Gem has always been my lifesaver and yesterday they came through again. When GEM came yesterday for the annual boiler cleaning they discovered that my boiler was leaking carbon monoxide gas. It had not been leaking the year before so carbon monoxide leaking from your burner. It’s like a tire that’s going flat in the air is coming out. It only gets worse. They gave me an estimate on replacing it, I did some research and they said that they couldn’t install it the next day. The price was in line with everything I had researched and the Bernar rated very high on Trustpilot as did the warranty. Having worked with GEM before, I trust them and I made the deal. Today two men arrived two more came then the Electrician.They got the old burner out they got the new burner installed. They cleaned up the basement and I now have heat and no carbon monoxide.Thanks for being there again GEM.
Daniel Penick
Nice people, quick to respond and knowledgeable. Highly recommend them for emergencies. Orlando C. saved us, thanks
A. H.
A+ service
Ruth D.A
This was the second time Steve serviced my AC system. He is knowledgeable and courteous. He did an excellent job!
Steve, thank you for going above and beyond.
I highly recommend Gem Plumbing and Heating to colleagues, family and friends.
Amanda Bishop
I had contacted GEM because the heat had gone out in my tenants apartment. Anthony and Nehemias came out and determined the issue to be with the pressure switch. They were able to replace the pressure switch and get the heat up and running. They also changed the air filter and performed some system maintenance. Anthony and Nehem were so nice! They explained everything, answered all of my questions, and reviewed with me all of the work that was done once they had finished. I signed up for the GEM Home Comfort Club and am very happy with the service received.
Matthew Cedor
Efficient and informative.

Took the time to answer all of my questions.

Thank you!
Jessica Fairfield
Great job, explained everything and fast! Thx guys!!
Stephanie Igoe
Cameron and Mason provided efficient and effective repair after hours. They were extremely courteous and professional. I am very thankful for them helping us at night.
Lauren Horne
Technician was very polite and informative. Offered good information and was sympathetic about the situation.
David Shikiar
Friendly guy. Got the job done.
Nancy Grasing
Joe arrived the same day I called, assess the problem, and was able to make repairs the next day! Amazing service and a great job
Carlos Santos
Great job very pleasant
Stephanie Boosahda
Spot on estimate, professional, knowledgeable, well-mannered, easy scheduling … Not a thing to complain about; highly recommend.
William Kirk
Easy to work with, always on time and professional
Christine Kirk
Our technician was Joseph. He arrived on time and was very pleasant. He was thorough and explained everything.
Ritesh Patel
Best explanation & so knowledgeable Aaron & Tim.I recommend Gem Plumbing & Heating for anyone!!
Valerie Smith
Joseph K from GEM solved our heating issue. He was professional, thorough and helpful. Our heating system is working perfectly. Highly recommend GEM. All the technicians we have dealt with have been fabulous!
Donna Wenners
had to get a new furnace installed, Alecs and Ethan showed up right on time. They worked tirelessly all day long to make sure everything was up and running. They were professional and courtesy, worked neatly and efficiently. Could not have asked for a better team for our project.
Eva Bickford
Our technician was personable and efficient. He was kind to my 2 dogs as well.
John Peters III
Fantastic service. Quick scheduling; fast and efficient service.
Marcel Desrosiers
Had my A/C maintenance today by David S and his assistant. They were very efficient and got the job done quickly. I like that explained everything as they worked and gave me information about my system.
Richard Killeen
I would again highly recommend Gem!
Douglas and Christopher came installed new insulation on the outside lines, cleaned the whole system And removed mold from the units and added a UV light Air scrubber in the attic. Nice job done by all.
Edward Maloney
I met two fine gentleman this morning. It is great to be updated on arrival times.
Cory explained what was going to be done and approximately how long it would take.
Donald Roy (Don)
Technician that came to our home was very professional and was well prepared to address reason for visit.


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The Everyday Benefits of a Whole-Home Water Purifier

After your whole-home water purifier is installed, you’ll notice the difference.

From brighter laundry and spotless dishes to smoother skin and hair, every part of your home benefits from cleaner, safer water.

By reducing mineral scale and sediment, your water heater, fixtures, and pipes operate more efficiently and last longer.

Filtered water makes cooking, drinking, and brushing your teeth more enjoyable. Many homeowners notice the difference immediately.

Purified water helps maintain natural moisture, preventing dryness and irritation throughout the winter months. You may also notice your hair feels softer and more manageable after every shower.

These systems capture chemicals, bacteria, and sediment before they reach your family, providing year-round peace of mind. Consistent filtration ensures the water you use for drinking, cooking, and bathing stays cleaner day after day.

How Long Do Whole-Home Water Purifiers Last?

A quality whole-home water purifier is built to last, often providing 5-10 years or more of reliable service when properly maintained.

The system’s longevity depends on regular care, including timely filter and component replacements, which keep the purifier working efficiently and your water consistently clean. Most filters need to be changed every 6-12 months, while specialized components may have their own schedules. Following the manufacturer’s guidelines ensures the system continues performing at its best, protecting your plumbing, appliances, and family for many years.

High-quality whole-home systems are designed to be a long-term investment, typically providing 5 to 10 years of consistent water filtration.

Regularly replacing sediment and carbon filters every 6 to 12 months prevents clogs and ensures the system doesn’t experience unnecessary strain.

While the main housing is built for the long haul, specialized media like UV lamps or resin beds have unique replacement cycles to maintain peak sterilization.

Why New England Homeowners Choose GEM for Water Purifier Installation

Choosing a company to work on your home’s water system takes trust.

GEM provides clarity, craftsmanship, and dependable service that homeowners rely on year after year.

Founded in 1949, GEM has grown into one of the region’s most established home service providers, trusted for honest work and long-term reliability.

We treat your home with the same respect we give our own. We show up on time, communicate clearly, and deliver clean, code-compliant work.

From plumbing and HVAC to electrical, you get full-service convenience with one trusted partner who understands your home inside and out.

We help you understand your options clearly, showing how each system performs and what it delivers for your home. You’ll get practical guidance and honest recommendations so you can make a confident choice that fits your family’s needs and lifestyle.

Our technicians understand the specific water challenges facing our region, from the high mineral content in well water to the unique treatment needs of municipal supplies.

We don’t just install your system and disappear; we offer ongoing maintenance programs to ensure your purifier continues to deliver bottled-quality water.

GEM technician testing kitchen faucet water flow

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customer and technician interaction

Our GEM Family Cares for Your System’s Entire Life

Your homes HVAC, plumbing and electrical systems work hard all year. Regular maintenance keeps it running efficiently, quietly, and reliably for years to come.

Our Home Comfort Club makes maintenance easy with annual tune-ups, priority scheduling, and discounts on repairs. We catch problems before they become emergencies and keep your home’s systems running the way they should, year after year.


Ready for Cleaner, Healthier Water?

Upgrading your home’s water quality doesn’t need to be complicated. GEM walks you through every step, from choosing the right filtration system to installing it with precision and care.

If you’re tired of guessing what’s in your water – or dealing with stains, bad taste, or appliance wear – a whole-home purifier can make an immediate difference. GEM is here to help you take that step with confidence.

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Frequently Asked Questions About Water Purifier Installation

How long does water purifier installation take?

Most installations are completed in a single visit, though timing may vary based on your plumbing setup. We’ll give you a clear timeline before work begins.

Do whole-home water purifier systems filter all water in the house?

Yes, these purifiers are installed at the main water line so every faucet, shower, and appliance receives filtered water. This delivers consistent results throughout your home.

What contaminants can these water purifiers remove?

Depending on the model, filters can remove sediment, chlorine, minerals, and other impurities. We’ll match your system to your specific water test results.

Will a water purifier reduce hard water?

Some systems can, while others work alongside water softeners for full treatment. We’ll help you determine what combination is best for your home.

Do I need to replace my water purifier’s filters regularly?

Most systems require periodic filter changes to stay effective. GEM can handle this as part of routine maintenance or your Home Comfort Club membership.