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.


Skilled employees

Trucks on the Road

Years in Business

Emergency Service


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 8551 reviews
I found my water heater leaking on a Friday late afternoon called GEM the came out explained everything to my and gave me quote..came to my house the next morning and installed the new water heater and explained everything to me.. very good to deal with.
Christopher, John, Steven, Brody and Joseph were all punctual and attentive. Great to meet so many great crew members. Getting the problem fixed and keeping me aware of future needs with my equipment before they become real issues. I appreciated the staff immensely from the technicians to the call team members.
GEM did good job in closing the ceilin and matching to the existing pattern
Fantastic, and quick service! Tyler was extremely polite and an accomplished HVAC person. He explained the problem with my AC unit in great detail, and fixed it in no time at all. He also offered to incorporate my seasonal maintenance into this visit, which I am very pleased with. I recommend Tyler on every level!! Virginia Fay. 👍
Efficient and informative and friendly service, thank you!
This is definitely a five star review and if you had more stars, I would grant those as well. Jordan is an amazing young man. He is respectful knowledgeable and extremely patient. Fixed/updated everything that needed it in a very timely manner and checked everything twice. Now I’m going to request his coming back next time!!
Jared was great, super knowledgeable super personable, easy to work with.
I cannot say enough good things about this company! From getting the initial walk through done, to designing the ductwork, and executing their plan, every step has been amazing. They got the work done incredibly fast, cleaned up after themselves, and offered very high quality systems. Highly recommend!
Outstanding service, prompt courteous and knowledgeable
Team arrived exactly when expected. Knowledgeable and efficient. Richard F was able to diagnosis and fix a problem with our AC in short order. Continue to highly recommend.
The GEM plumbers were fantastic. They hooked up a new spigot and a back flow preventer for the drip irrigation system I will have installed soon. They explained everything, they were fast and respected my home during the job. I highly recommend GEM for your next plumbing repair or upgrade.
Today Nicole from GEM extended the pipe and added a female adapter for the irrigation system. She was speedy and fantastic!
Josh was very pleasant, helpful and efficient. He worked on adding a valve to our boiler. Not sure how to answer other questions.
Called GEM this morning when I discovered that our water heater decided to stop working some time in the night. Ari in the office was extremely nice and was able to schedule a technician to come out same day. John was great, super helpful, and knowledgeable. He explained the system we have and what was going on. He was great with answering my questions and I really appreciated his taking the time to go over the various components of the water heater as well as answering my questions about their membership maintenance program. I look forward to working with GEM moving forward.
Professional installers from start to finish.
Douglas V. was prompt, provided great service and quality work. Douglas is professional and knowledgeable in his field. Highly recommend for HVAC repairs and maintenance needs.
Very nice technicians polite and did a great job tune up on my generator thank you
Aaron came for a 2nd successful visit. This time to figure out the cause of low/no water pressure in some of our H&C setups for 5 bathroom sinks. He left with 3 sinks H&C flowing freely & demonstrated the need for 2 new faucet installations so Hot H2O could be restored to the remaining sinks. Much appreciated as others had immediately started talking about replacing pipes without investigating less complicated solutions. As before, Aaron was a professional pleasure to have in our home & pricing will be the only holdup for us to continue with the faucet installations. Due to him, I have high hopes for the GEM electrician arriving next week & the HVAC maintenance later this month.
Courteous friendly service people, give complete information about work needed.
Those guys were awesome. They were very respectful and professional.
We have been a customer of Gem plumbing for a long time, yesterday Alexander R was out, He was the very best technician we have ever had. He was polite, considerate professional, detailed, informative and very thorough. Thank you for being a company that we can trust. we have always been happy with all your technicians and your work. A company we can count on that is saying something in today’s market.
Timely and professional service. Took the time and effort to complete job in the right way.
Very helpful in getting to me earlier than expected during the heat wave. I would recommend GEM to everyone.
Chris did a great job. Very pleasant and professional!
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.


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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.