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TRUSTED BY SHERMAN, CT HOMEOWNERS

  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon35
    Verified water softener services reviews

Top-Rated Water softener pros in Sherman - Updated Nov 2026

Avatar for Westfair Water Systems, Inc.
Westfair Water Systems, Inc.
4.8(
46
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Sherman, CT and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"Very positive experience with Westfair Water Systems. Frank Fennell came out to my house to recommend a whole-house water softener system. Frank answered my numerous questions, spoke to me after hours to ease any concerns, and provided me with references to help with my due diligence. The installers were professional, respectful of my home, and efficient. They even came back a week later to check on the installation and perform a post-installation test to sample the water. We noticed the effects immediately and are so glad we chose Westfair and implemented the Kinetico system."
After
after
After
after
Before

+14

Response time10 hrs
29 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Eastern Water Development Co.
Eastern Water Development Co.
4.3(
64
)
Well Pump - Repair or Service

Serving Sherman, CT and surrounding areas

Approved

In business since 1966

Free estimates

Emergency services offered

"While other companies spent years trying to figure out what was wrong with my system and after much money spent on â fixesâ , Eastern Water found a small piston dysfunction and the fix was simple and not expensive. I plan to switch to them for my routine maintenance. Additionally, they were responsive, efficient and reliable. The service person was very knowledgeable and explained everything to me."
Hydraulic Fracturing
Effects of Low pH
Casing extension
Casing extension
Casing extension

+6

Response time2 days
20 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for Cassidy Plumbing and Heating, Inc
Cassidy Plumbing and Heating, Inc
4.5(
31
)
Well Pump - Repair or Service

Serving Sherman, CT and surrounding areas

Approved

Super Service Award Winner

In business since 1992

Emergency services offered

Warranties offered

"I decided to go with Cassidy because out of the 4-5 different companies I contacted, they were the first to respond in a timely manner and their dispatch fee was affordable ($79 vs >$100). The actual service they provided went well. They were on time, finished the whole project within a couple hours and were professional. However, I did remove a star from my rating because they do overprice everything. I was able to cut down my total cost by >$300 by just buying my own supplies (ex: water faucet, basket strainer, faucet aerator, etc.). They were going to charge me $125 for something I was able to get for $4 and fix on my own, which I thought was ridiculous. Overall, I would recommend because they made the whole process go smoothly but I would just be aware of their pricing and make sure they don't trip you off."
Heating System
Heating System
Plumbing
The Team
Navien Water Heater

+3

Response time2 days
Response rate100%
8 neighbors recently requested a quote
Avatar for Mosman Wellworks, LLC
Mosman Wellworks, LLC
4.8(
11
)
Well Pump - Repair or Service

Serving Sherman, CT and surrounding areas

Approved

In business since 2017

Free estimates

Credit card accepted

"It was 5:30 on a Monday morning I got up to get ready for work, I turned on the faucet and all I got was a sucking sound. No water! Eric from Mosman Wellworks responded to my request on HomeAdvisor by around 6:30. He said he would have someone at my house by around 8:30 and sure enough the technician was at my home by 8:30. He ran tests and checked the system and diagnosed it as the pressure switch and made some additional recommendations and had us up and running in no time. They were prompt, knowledgeable and courteous and very fair priced. I would use them again and I would recommend them."
Response time4 hrs
Recommended by100%of homeowners
Avatar for Housatonic Valley Well Pump Services LLC
Housatonic Valley Well Pump Services LLC
5.0(
5
)
Water Treatment & Purification System - Install or ReplaceWell Pump - Repair or ServiceWater Treatment & Purification System - Repair or Service

Serving Sherman, CT and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

"Ralph was our first call once we submitted what we needed. He was professional, happy to answer any questions and head right over to take a look for himself. He sent me a quote for review, and after getting similar prices from other providers we decided on HV Water because Ralph made my husband and I comfortable and as if he was doing this on his own house. The install day was spotless, both installers were professional, meticulous and thorough. Cannot recommend these guys enough. Thanks again for an amazing job."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
11 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Aerus Electrolux
Aerus Electrolux
4.0(
30
)
Water Treatment & Purification System - Install or Replace

Serving Sherman, CT and surrounding areas

Approved

In business since 2003

Free estimates

Warranties offered

"We were given a complete picture of our basement issues and we relieved that we don't immediately have to do remediation but could deal with the moisture and mold spores by purchasing a more powerful dehumidifier and unit to deal with the spores although we will have to deal with where the water is coming in during heavy rain."
Response time1 day
Response rate92%
56 neighbors recently requested a quote
Avatar for TPK LLC
TPK LLC
5.0(
4
)
Well Pump - Repair or Service

Serving Sherman, CT and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

TPK Plumbing LLC, has been operating for more than 30 years, our family-owned plumbing, heating, and drain cleaning company has proudly provided reliable, honest, and high-quality service to homeowners and businesses in the community. We specialize in everything from emergency plumbing repairs and heating system installations to fast, effective drain cleaning and preventative maintenance. With decades of hands-on experience, we’ve built our reputation on dependable workmanship, fair pricing, and exceptional customer care. Whether it’s a clogged drain, broken water heater, furnace repair, or complete plumbing upgrade, our licensed professionals are committed to getting the job done right the first time. We combine old-fashioned integrity with modern solutions to keep your home or business running safely and efficiently year-round.

Bathroom toilet and sink
Bathroom toilet and sink
Bathroom toilet and sink
26 neighbors recently requested a quote
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Water Softeners FAQs, answered by experts

Whether you need a permit or license for a water softener installation depends on your location, as requirements vary significantly. Some municipalities require the installer to hold a plumbing license, some mandate a permit and an inspection, and others require both. In some areas, no special permit or license is needed at all.

To determine the rules in your area, you can contact your local building department or consult a local water softener installer or plumber. Often, only certified professionals are authorized to pull the necessary permits, and they will typically handle the entire permitting process for you. Regardless of local laws, it is always recommended to hire a licensed professional to ensure the system is sized and installed correctly. You can use Angi’s state licensing tool to check an installer’s license status.

You can use a commercial water repellent treatment for glass on your shower doors to prevent water spots. Take care to only apply the product to glass. Letting air circulate also helps prevent water spots, as water is less likely to remain on the glass for a long time with good air circulation. Run your vent fan, open a window, and leave the shower door open for about half an hour after using the shower.

It depends on the type of surface. For instance, if you’re trying to get rid of hard water deposits on glass, you can spray vinegar onto the surface and wipe it off with a soft cloth or non-abrasive sponge. However, if the deposits are on granite or natural stone, it’s better to use baking soda and water rather than vinegar or other acidic cleaners.

While it depends on how complicated the unit and installation is, it takes two to four hours to install a water softener unit, on average. It might take longer if pipes need to be replaced. You should make sure the installation area is clear of any objects that might get in the way before you begin.

Because it’s been through the water cycle, evaporating and becoming slightly acidic thanks to dissolved carbon dioxide in the atmosphere, rainwater tends to be naturally soft compared to groundwater, which has just been in contact with limestone. However, the natural hardness level of water always depends on where you are and other factors.

The Sherman, CT homeowners’ guide to water softener services

From average costs to expert advice, get all the answers you need to get your job done.