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Why Partner with Long Island Clean Water Service, Inc. for Better Water?

It’s simple… the science.

Here at Long Island Clean Water Service, Inc. , we use only EcoWater systems.

With a legacy exceeding 80 years, EcoWater systems are built on best-in-class technological innovation. EcoWater continues to set the standard for the water treatment industry. Today, as the world’s largest manufacturer of residential water treatment systems, EcoWater’s products–combined with our expertise at Long Island Clean Water Service, Inc. –are the second to none when it comes to improving the quality of your water.

With an EcoWater system from Long Island Clean Water Service, Inc., you get:

  • Exclusive, patented, proven technology to improve the quality of your water.
  • Dealers who are water treatment professionals – not just plumbers or retailers.
  • A full line of reverse osmosis water filters for clear, clean drinking water.
  • Products specifically designed for municipal, rural, or problem water.
  • A full line of water softeners and filters to improve your water quality for bathing, laundry, and appliances.
  • Dealers who provide installation and exceptional customer service.
  • Highly-efficient electronic digital demand and memory to reduce salt, water, and electricity.
  • Convenient and easy to operate electronics.
  • Wireless remote monitoring of salt level and operation so you don’t have to remember to check.
  • EASE™ phone-and-fix technology to eliminate unnecessary service calls.
  • Patented stratified resin bed and washed quartz underbedding for efficient water treatment.
  • Patented valve with Teflon® double-disc for improved performance and durability.
  • Counter-current regeneration to remove hardness, not deposit it on the bottom of the tank.
  • Refiner option to remove unwanted chlorine taste and odor from your supply.
  • The most comprehensive manufacturer’s warranty in the business.

Water conditioners, refiners, & filters

EcoWater Systems line of water conditioners, refiners, and filters are the most innovative, highest-quality products on the market. With an array of exclusive features. We know not all water is the same. That’s why Long Island Clean Water Service, Inc. can test your water to identify the right product for you. Regardless of your water conditions, Long Island Clean Water Service, Inc. offers the appropriate solutions.

Reverse Osmosis (RO) Filtration

The perfect complement to an EcoWater System refiner or softener for the water-conscious family is an EcoWater reverse osmosis drinking water system. Our exclusive line of reverse osmosis systems are specifically designed to provide clean, clear, better-tasting drinking water by removing more than 95% of dissolved solids including many harmful contaminants. Now you can have bottle-quality water at your tap.


With an EcoWater RO system you get:

  • Three or four-stage water filtration.
  • Semi-permeable membranes to reject solids.
  • Specially formulated pre-and post-filters to reduce contaminants, eliminate odors, and improve taste.
  • Automatic shut-off to conserve water.
  • Optional electronic monitor to alert you when filters need changing.
  • Space-saving designs.

Fill out the form below or call (516) 591-3246 for more information & a free quote!

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Based on 314 reviews
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Mark and Juan were just fantastic! They were knowledgeable and professional and patient with my many questions! Highly recommend LICWS! 😊
I highly recommend this company. Our water specialist and installation technicians were excellent. The company was very responsive, and the installation was efficient. We are very happy with our decision to install a whole house filtration system. We were especially happy with the technicians, Mark and James.
Response from the owner: Thank you so much for such a wonderful review and welcome to the clean water family! We will continue to provide you with the cleanest water possible.
Friendly and knowledgeable staff and a great product!
I love my system. I love that I feel safe, drinking my water and serving my guest it as well. Service is always impeccable from the phone call to the men coming and doing the service. Always within the timeframe that they say. That's very important to me. I hate waiting around all day. And even if you feel antsy about the time they're coming and you call them, they do break it down to a smaller timeframe.