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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GEM Technicial Inside Van


(833) 222-2953

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 9198 reviews
Devontay Vaz and his colleague did an excellent job servicing our scheduled maintenance on our Heating and Cooling Mini Split system which is part of our Maintenance Plan. They took the time to explain the process from start to finish. They also made sure to explain the future unit maintenance after the summer season, which we found VERY helpful. We have been members of Gem Heating and Plumbing for years now. As always, the technicians were polite, professional, and knowledgeable about their work. With life being busy, Gem always call us as a reminder to make these scheduled appointments. Thank you, Gem Plumbing!!
John is great.
If l owned a business l’d hire Tom in a New York minute!!
Very thorough heating system maintenance. Aaron and Pedro were on time , polite, and professional. Very happy with this company.
On time, very personable. Had good knowledge of a/c systems.
Great service, very quick and friendly
Joe Hawksley Sr came and inspected our HVAC. He explained the features of the system to us in a businesslike and courteous manner. We bought the service contract and it was well worth it. Thanks
Professional and diligent. Would recommend.
Very helpful and efficient upon arrival I had kind of a strange and unique issue but it was all handled. While the cost is a bit on the expensive side with paying a flat fee for someone to come out it is definitely a great option in a pinch needing a last minute service
Above and beyond. Efficient and professional
Very courteous, professional
On time and quickly diagnosed the problem and solved the problem. He had the needed parts in his van. The cost was reasonable. I highly recommend Corey and GEM
Selected G.E.M. for new Carrier central a/c- had a very rocky start with scheduling which they cancelled several times. However, Tim in sales is fantastic and did great recovery-as has been every technician. We have used GEM now for a/c and plumbing (Moen Flo install followed by installation of a water pressure valve). In every case, service has been excellent. They’re expensive no doubt but they’re quick and efficient and stand behind their work.
Great service, friendly and knowledgeable
Doug from GEM performed a PM on our Central AC system and was professional and knowledgeable…would definitely recommend!
He explained everything in detail and fixed problem. Friendly and experienced.
Thank you. I would highly recommend Gem plumbing. Thank you Joseph 😊.
Excellent service! The inspection was a breeze!
Nicole Tradd from GEM came out to perform a water test, and she was outstanding. She was professional, knowledgeable, and took the time to explain everything clearly without any pressure. Her expertise and excellent customer service gave us a great impression of GEM. Because of our experience with Nicole, we’ll absolutely be using GEM for our future plumbing, electrical, and HVAC needs. Highly recommend!
The technicians that came to my home were very knowledgeable and friendly. They also made me aware of an important service that needs to be performed in the near future.
Very courteous and efficient work done.
Great all around for a large on-demand heating installation project . Very talented team. Very impressed . Will definitely use GEM in the future
This company is very professional and orderly. I called them up and they had somebody out there the next day. They communicated very well letting me know when they were arrive. They finished the job within three hours of arriving. They were very efficient and nice. I would highly recommend them!
Technician Joseph answered a call for my central air not coming on.
He was experienced and knew what to check out. Also, very friendly. I had central air working in no time at at all!!! Thanks Joseph.
The air conditioner serving the second floor of my brand-new house had problems from day one. For months, the builder kept sending different technicians, each trying to fix one issue after another, but no one addressed the actual cause. As a result, the upstairs bedrooms became unbearably hot, and we often had to sleep in the first\-floor family room just to stay comfortable.

Eventually, instead of waiting any longer for another warranty visit, I called GEM Plumbing & Heating – and I’m so glad I did.

GEM sent a technician, Dory, the very next day. He quickly identified the real problem: a refrigerant leak. It turned out that the builder’s technicians had been treating only the symptoms of the leak, such as condensate buildup, rather than finding and fixing the root cause.

Dory returned the following day with the necessary equipment, and resolved the issue. The air conditioning has been working great ever since.

I only wish I had called GEM from the beginning instead of enduring an uncomfortable summer.

A huge thank you to GEM—and especially to Dory—for real expertise and the outstanding service. Highly recommended!
Michael A. really helped us out by replacing our outdoor outlets, and then turning them all to face the way I needed them to work best for me. He also picked out an excellent flood light for our driveway. Michael was super friendly and efficient. Thank you!!


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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.

GEM technician in front of service truck



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.