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

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 Northwood, NH and surrounding areas

Approved

In business since 2016

Free estimates

Credit card accepted

"We were really pleased with their overall situations,. They came in and evaluated our situation and looked at the unit. They explain everything about the new unit. They gave us a written quote They told us when they were going to be there and they showed up on time. We found them to be very trustworthy and they finished on time. They were neat. Other than the installation we wouldn't have known they were here. We were pleased with the experience. From beginning to end it was a good experience. We would recommend them."
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 Northwood, 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
6 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 Northwood, 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"
10 neighbors recently requested a quote
Avatar for Absolute Water System LLC
Absolute Water System LLC
4.7(
30
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Northwood, NH and surrounding areas

In business since 1981

Emergency services offered

Credit card accepted

"They were the first to give us a quote and were able to come out as soon as we needed them to. Installation was smooth, and they have been good at following up to make sure the system is working. Because our radon is still slightly high, they are doing another radon test and will follow up if it comes back high yet again. We would definitely recommend them to others!"
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Recommended by96%of homeowners
Showing 1-10 of 30

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