Whole-Home Water Filtration for Long Island Homes

Get Pure, Clean, Alkaline Water Throughout Your Home

Enjoy better tasting water and everyday wellness with our advanced in-home filtration systems.

Free In-Home Consultation

Tell us a little about your home, and we will help you choose the right filtration path.

Optimizing Your Water

Elevating Your Health

Superior Taste

Cleaner, smoother water that makes every glass taste better.

Advanced Filtration

Whole-home systems designed to reduce common contaminants.

Essential Minerals

Balanced filtration that supports water you actually want to drink.

Eco-Friendly

Efficient systems built to support long-term household use.

The pHountain Advantage

Discover the water benefits of pHountain whole-home systems, designed for cleaner water and better daily use.

Alkaline System

Alkaline System

  • Balances water for a cleaner, smoother taste
  • Compact footprint for a modern utility area
  • Service-backed installation and support
View Alkaline Systems
Reverse Osmosis

Reverse Osmosis

  • Great for targeted drinking-water purification
  • Reduces sediment, odor, and unwanted taste
  • Ideal for kitchens that need an extra layer of clarity
Explore Whole-Home Filtration
Whole-Home System

Whole-Home System

  • Filters water at the point it enters your home
  • Helps protect showers, appliances, and fixtures
  • A strong foundation for family-wide water quality
Explore Whole-Home Filtration
Doctor recommended badge

Doctor Recommended

  • Health-minded approach to whole-home water care
  • Consultation-first recommendations
  • Built around long-term household confidence
View Testimonials
Doctor Recommended
Trusted recommendations for family-focused water care.

What homeowners are saying

Proof that better water changes how families feel about everyday living.

4.9
Based on 140 reviews
powered by Google
Lautaro Epstein
21:55 12 May 26
I am so happy with this whole system. From our super friendly and supportive Sales Rep, Greg, to the professional and excellent work of plumbers Billy and Joe, Phountain makes the whole experience seamless and ensures all worries are addressed. We got the Jumbo system rated for 2,000,000 gallons which should last us about 25-30 years!! We also got the mineralizer under the sink to bring our drinking water to a pH over 9.4!

Billy and Joe were amazing, super friendly, and explained everything they did at every step. The quality of the work is really nice and looks built to last! The pictures speak for themselves! We can’t wait to see the results of our clean and high alkalinity water over time!

We will be recommending Phountain to all our family and friends!
mary white
16:26 12 May 26
Excellent knowledge, informative, highly recommend Michael and Mason, choose Phountain and know that your water is safe
Frank Giordano
20:35 07 May 26
The Whole House system is great! It works perfect. Thank you to the water specialist who helped me out! 10/10 system
Kenny Calderon
00:23 04 May 26
We recently had a whole home water filtration system installed, and the entire experience was outstanding from start to finish.

Mason was incredibly professional, knowledgeable, and easy to work with. He took the time to clearly explain how the system works, the benefits for our home, and answered every question we had without any pressure. You can tell he truly knows his stuff and cares about making sure you’re comfortable with your decision.

Installation day went just as smoothly thanks to Tom. He was punctual, respectful, and did a very clean, neat job. The setup looks great, and you can see the pride he takes in his work. Everything was installed efficiently and left spotless.

We were previously clients at the Phountain Port Jefferson location and would regularly pick up our filtered water there. Now, having the convenience of clean, filtered water right at home has been a complete game changer.

Overall, we couldn’t be happier with the service and quality. Highly recommend this company to anyone considering a whole home water filtration system, you’ll be in great hands from consultation to installation.

Thanks Phountain!
Madeline Russo
21:01 22 Apr 26
We got a water kit in the mail to test our water. After a week of waiting I received a call from a wonderful man who told me everything I needed to know about how to get great clean water. I then made an appointment with a water technician to come out. Jay was wonderful and educated me a lot on how bad our water is on Long Island. The plumbers did an excellent job as well! I am so happy I went with Phoutain and I will be recommending them to all my family and friends! :)
We recently had a whole home system installed and LOVE it- just wish we did it sooner! From start to finish, the process was seamless. Our plumber Joe explained everything and was very knowledgeable about the product! We were amazed at how much sediment was in our copper pipelines-gross!! It’s a great feeling knowing we can drink water from the tap- no more plastic bottles! You can 100% taste the difference when drinking and our skin feels better after a shower. Highly recommend, you won’t regret the investment.
John Faracco
19:09 05 Feb 26
⭐⭐⭐⭐⭐

I had a great experience with pHountain Water Filtration. From the initial consultation to installation, everything was professional, efficient, and transparent. The team took the time to explain the system, answered all my questions, and made sure everything was set up perfectly.

The difference in water quality was noticeable immediately—cleaner taste, better clarity, and peace of mind knowing my family is using high-quality filtered water. Customer service was excellent, pricing was fair, and the whole process was seamless.

Highly recommend pHountain Water Filtration to anyone looking to improve their home or business water quality.
I would strongly recommend pHountain Water
Rose Valdes
20:25 25 Jan 26
I purchased this filtration system over 5 years ago and it’s changed my life! The quality of the water is so good for your hair and skin, it has a great taste and saves so much money on bottled water. The health benefits are amazing and I would recommend it to anyone! The service they provide is exceptional. They are extremely professional and knowledgeable. Always responsive to questions and respond in a timely manner. Best decision we made for our family.
Frank Rivera
22:25 30 Dec 25
Just had a new water filter installed by Phountain Water Filtration.
My wife and I are beyond Satisfied with it!

They are extremely knowledgeable!
And offer a great product!
From beginning to end Glenn has been a pleasure to do business with.
And his crew of professional plumbers besides being really polite. They went the extra mile to assure everything would be perfect!

If you're considering a water filtration system for your home or business.
I highly recommend them!
william murphy
17:43 19 Dec 25
I called phountain and I had them come to my home . i had the sales man give me information on a full in home Water Filtration System. I like what I heard from the sales man. Then I purchased the system . I had them come and install the system. We totally love it . It changed our life so much . The salesman and installers were the best very clean and neat and professional . I would recommend this to anyone out there. Give them a call

Our Service Areas

Serving Long Island Homeowners

Service area map of Long Island

Long Island

FAQ

Clean answers for common water questions

What is a whole home water filtration system?

A whole home water filtration system treats the water as it enters your home so every faucet, shower, and appliance benefits from cleaner water throughout the house.

What contaminants can it help reduce?

Depending on the selected system, filtration can help reduce sediment, chlorine taste and odor, chemicals, and other common water quality concerns.

How often does the system need maintenance?

The systems are designed for low maintenance. During your consultation we will recommend the right service schedule based on your home and water source.

What areas of Long Island do you service?

pHountain serves Nassau County and Suffolk County, including communities across the North Shore, South Shore, and East End of Long Island.

Will I still have good water pressure?

Our recommended configurations are chosen to protect flow and preserve household water pressure while improving the quality of the water in your home.

How do I get started?

Request a free in-home consultation and a pHountain specialist will review your water quality needs, explain the options, and recommend the best next step.

Advanced water filtration system

System Customizer

Customize Your Water System

Choose a filtration setup that fits your home, your water source, and the level of protection you want. We help simplify the selection process so you can move forward with confidence.

Knowledge Hub

A few quick reads before you choose a system



Location & Contact

Visit the pHountain office in Islip

384 Moffitt Blvd, Islip, NY 11751

Schedule a Consultation

Request a FREE in-home water test

Send your details and we will confirm availability.