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 8501 reviews
Although, we had to drop a lot of money today. We are very appreciative of David Santiago and Colin D. David explained everything that was wrong with our system. Even tried to find a way to fix the disaster. Even though we both knew, it wasn't worth it. That's where Colin come in and broke the heart breaking news but helped us find options and worked with us. With that we are VERY thankful for you both! GEM has a life long customer. Thanks guys.
Alex did a great job and most importantly, gained the confidence of my wife. Not an insignificant accomplishment in the middle of major repairs that required shutting off water and not flushing toilets, etc. Thanks Alex!
Anthony from Carmine’s arrived in the time slot given to me. He was very professional, knowledgeable and had a great disposition. Anthony was also very patient and answered the countless questions I had. I would definitely recommend Anthony Pena and Carmine’s for any issues regarding your plumbing needs, and more.
Technician was very knowledgeable, professional and thorough. I was extremely pleased with his service.
Techs were very informative- helpful and thorough
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.
Gem is the most efficient and well organized company i have ever done business with ii the past 5 years. professional at all levels
Came in for one issue but ended up dealing with a different issue and was fixed same day
Douglas was great. Accommodated our grandkids naps. Friendly & efficient.
Quick, thorough, cost-effective services!
Prompt courteous service. Highly recommend Gem!
Joan with Gem Plumbing and Heating was professional, knowledgeable, and did excellent work. He replaced our tankless water heater pump and explained everything very clearly. We really appreciate his expertise and would definitely recommend him!
The best ,very professional spent time and explained everything. Aaron was extremely nice and knowledgeable . The most important thing is he fixed the problem that another company didn’t. I am a true believer and signed up to be a. Member for on going maintenance.
I have been looking for a quality heating and plumbing company for some time. Gem is it.
Great timely service
Dave and Kyle are extremely knowledgeable on these water systems. Dave found the problem right off the bat. We are pleased that experienced people work for your company.
Dave is awesome! Knew exactly what to do and quick and efficient! Very nice guy! And Kyle is sweet! Hope to see them again! 5 plus starts from me! Thank you guys 💙
Very fast install of 7-zone mini split system and required panel upgrade. From first call to work completion was less than a week. No quality issues of install and the workers were great. Overall GEM is very expensive, but quality and speed are fantastic.
Just completed AC tune up with Nick R. Courteous and knowledgeable service. Thorough and friendly. Arrived on time and explained his intent. Highly recommend!
Richard F. was the first Gem employee I met. My original appointment was to have the air conditioner yearly service (central air). After opening the side panel Richard showed me the black mold and rust inside the unit. NO ONE had ever opened the side panel during a yearly service appointment. There were years of built up black mold. I will NEVER use the companies I have used in the past. Richard presented 2 options. He was not pushy. He simply presented the information to me and answered all of my questions. Richard is respectful both professionally and personally. We scheduled the appointment for the following day (removal of the old unit and condenser and installation of the new.

The following day Richie and John arrived at 7:45AM. Leo then arrived. They worked from the time they arrived (7:45AM-5:00PM) until they completed the job. They are respectful both professionally and personally. They thoroughly explained all the work they did and gave me information that I did not know previously. Again, we get the a/c serviced yearly and no one had ever explained anything. They cleaned up after completing the work. I mean immaculately.
He came over on Easter Sunday and helped us with a big problem that could not wait. He explained everything in detail. He stayed until the problem was resolved. Really nice guy.
Tech was efficient, skilled, client focused and really nice
Very professional and nice. Answer our questions, highly recommended
Joe and Richard are extremely pleasant and professional. I was pleased that when I got the phone call saying that they would arrive in 45 minutes they were at my door in 45 minutes! We are very pleased that we called GEM Heating and Plumbing.
Solid squad, I was sad to hear Bill is retiring. Highly recommend GEM to anyone who has HVAC, plumbing, or electrical needs.


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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.