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

Avatar for H2O Care Inc
H2O Care Inc
4.7(
51
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Manchester, NH and surrounding areas

Approved

In business since 1987

Free estimates

Emergency services offered

"We were having so many issues with flooding and hard water. H20 Care came in found the issues and fixed them. We have not had any flooding issues since. We also decided to have a Reverse Osmosis System installed on our Well and let me tell you "BEST DECISION EVER" no more hard water, our skin is softer, the drinking water is crisp, clear and even tastes better. I can't thank them enough! Water issues, the only number you need is to H20 Care Inc! 5STARS"
Whole House Reverse Osmosis Desalination System
High efficiency water softener with sediment and carbon filtration to correct hard water, manganese and sediment build-up as well as chlorine taste & odor on this public water supply.
The water from this private well revealed high radon and iron in the lab water test.  This system eliminated these water quality issues.
Additional Photos
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+22

Response time5 days
41 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Ethical Home Pro LLC
Ethical Home Pro LLC
4.9(
29
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Manchester, NH and surrounding areas

Approved

In business since 2016

Free estimates

Credit card accepted

"They were very professional and did a fantastic job. They showed up on time, installed the system in a timely manner, spent extra time unclogging all pipes and faucets from the excess minerals. They arranged for the electrician to add extra plug sockets. They did a great job explaining the system and cleaned up after themselves."
water softener and pressure tank
Water Treatment
Response time12 hrs
Response rate87%
Recommended by100%of homeowners
Avatar for US Water Consultants, Inc.
US Water Consultants, Inc.
4.6(
98
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Manchester, NH and surrounding areas

Approved

In business since 1998

Free estimates

Warranties offered

"I am very happy with the work that was done by their team. They even helped with a small related issue that wasn't part of the original contract free of charge. I would recommend them for water filter and softener installation."
Response time1 day
5 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for H2O in the 603 Water Treatment, LLC
H2O in the 603 Water Treatment, LLC
5.0(
7
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Manchester, NH and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"Brian responded promptly, was professional and courteous. He came right away to do an assessment and returned within a few days to install a new water softener system. He presented me with a lower cost option that could have been done same day but I chose to replace a 17 year old system with a new system that is more accurate (better monitors water use) and less costly to operate because it uses less salt. He performed several preventative maintenance updates: re-piped and plumbed in a new particulate cartridge, cleaned the screen on the radon system and replaced the solenoids, all within the cost of what other companies quoted for only the water softener replacement. The last technician that serviced our water systems (Radon & RO) rushed through the job and left them in worse shape than they were before he "serviced" them. Brian recognized the issues and fixed them. I will now be using H20inthe603 for all of my water treatment service. Thank you Brian for a job well done!"
Local Installation
New Construction
Water Softener
Response time4 hrs
26 neighbors recently requested a quote
Recommended by50%of homeowners
Avatar for Clear Water Pump & Well Service, Inc.
Clear Water Pump & Well Service, Inc.
4.4(
39
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Manchester, NH and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

"We had an emergency so we contacted Clear Water. They responded immediately and I worked with Paul who was amazing. He was knowledgeable and professional and got us up and running in no time. I could not recommend them more. Thanks Paul!"
Residential water well drilling for residential customer in MA
Water Filtration solution
Recent residential water filtration installation. Clean safe water!
Recent residential water filtration installation
Response time1 day
102 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for NH Watercare Corp.
NH Watercare Corp.
4.6(
16
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Manchester, NH and surrounding areas

Approved

In business since 1980

Free estimates

Emergency services offered

"Attended to my issue from the start. The work was repaired and replaced within a few weeks. Another company took a water sample and never got back to me with a quote or addressed any of my specific issues."
Municipal filtration
The well from hell
Response time2 days
12 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for N & N Water Solutions
N & N Water Solutions
5.0(
7
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Manchester, NH and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

"Everyone I encountered with through NNN water solutions was super helpful and extremely knowledgeable. They were very patient with me as I was very nervous to comit to purchasing but they answered any question or concern I had. Installation was quick the guy was done within a few hrs. I normally don’t bother writing reviews but I’m so excited to have my new water system! I have really bad eczema and since having the new system my skin is so much less irritated. It is amazing the difference clean water will do"
12 neighbors recently requested a quote
Avatar for GM Mechanical LLC
GM Mechanical LLC
5.0(
9
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Manchester, NH and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"Gage has been excellent to work with. We will hire him any time we need something in the future. The work site is always clean, the new install always looks tidy. He has installed a water filter, fixed several leaks in old plumbing, replaced hose bibs, worked on our booster and expansion tank, replaced fixtures. It's always great work."
Additional Photos
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+11

Response time1 day
Response rate100%
Recommended by88%of homeowners
Showing 1-10 of 47

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