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Top-Rated Water treatment pros in Brookhaven - Updated Nov 2026

Avatar for Simply PUR Water Filtration
Simply PUR Water Filtration
5.0(
39
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Brookhaven, NY and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"Claudia and Vincent were very helpful in explaining how the system works. We decided to do the whole house filtration system. Vincent and his workers arrived on time and were very neat and considerate. It might be a little costly, but you cannot put a price on clean water and your health."
Pentair Fresh Point 575M
Pentair Fresh Point 575M
Farmingville Home
East Williston Home
East Chester Home

+94

Response time1 day
Response rate89%
25 neighbors recently requested a quote
Avatar for HealtheHabitats
HealtheHabitats
4.9(
50
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Brookhaven, NY and surrounding areas

Approved

In business since 2016

Credit card accepted

Customers say: Quick response

"They were great. Very short notice, so they did it on a Sunday with a full crew, even though they donâ t normally work Sundays. Did a fantastic job. Were very professional, hard working, knowledgeable, and friendly. What more could you ask for?"
Response time6 hrs
5 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Long lsland Clean Water Service, Inc.
Long lsland Clean Water Service, Inc.
4.6(
67
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Brookhaven, NY and surrounding areas

Approved

In business since 1985

Free estimates

Emergency services offered

"The receptionist was courteous and personable when I called. The workers arrived promptly. They were professional and knowledgeable. They completed the work efficiently and promptly. I have used filtered water for over ten years. This was the first time I used this company and their prices were entirely reasonable. I have a water tester. And the new water filtering system they installed passed the test for excellent water filtration."
Bypass
Whole House Water Filtration System with UV Filter
Reverse Osmosis
Reionator Pro Ultra
Reionator Pro Ultra

+6

Response time2 days
9 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for All Weather Heating & Cooling
All Weather Heating & Cooling
4.5(
70
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Brookhaven, NY and surrounding areas

Approved

In business since 1969

Free estimates

Emergency services offered

"I was very happy with my service call today! The repairman, Scott, was knowledgeable and pleasant and wore a mask and gloves throughout., so I felt safe, despite the pandemic. He serviced both of my central air systems and diagnosed the problem with the malfunctioning one and fixed it. By the time he left my house was already a much more pleasant place to be!"
Additional Photos
Additional Photos
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Additional Photos

+13

Response time3 days
7 neighbors recently requested a quote
Recommended by94%of homeowners
1-800-Plumber +Air of Central Long Island
New to Angi
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Brookhaven, NY and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

1800-Plumber +Air is located in Central Long Island, NY and is focused on being the BEST! It’s not about being better than everyone else, instead our focus is on providing you with the fast, dependable plumbing and emergency services when you need it most. Our goal is to give you the BEST experience you have ever received from a service based business.

1 neighbors recently requested a quote
Aquatron Water Solutions Inc
5.0(
7
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Brookhaven, NY and surrounding areas

In business since 1989

Emergency services offered

Credit card accepted

"Bob was very responsive and made sure that the system installed would filter out the minerals I wanted to keep out of the drinking water. Very satisfied with his work and the system he installed. I appreciated that he listened to my needs and did not try to upsell me as a lot of other installers had."
Recommended by100%of homeowners
Showing 1-10 of 46

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