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TRUSTED BY DOVER, NH HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon16
    Verified water softener services reviews

Top-Rated Water softener pros in Dover - 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 ServiceWell Pump - Repair or Service

Serving Dover, 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
Additional Photos

+22

Response time5 days
40 neighbors recently requested a quote
Recommended by90%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 Dover, NH and surrounding areas

Approved

In business since 1998

Free estimates

Warranties offered

"The street connecting mine was under construction at the time of my appointment and the staff of US Water Consultants waited almost an hour before being allowed to pass the construction in order to keep my appointment - that's great customer service. They were knowledgeable about my problem, gave me good tips on keeping my softener in good shape and only charged me for the replacement parts. I will definitely call them again if the need ever arises."
Response time1 day
5 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Heritage Home Service
Heritage Home Service
4.2(
1,356
)
Water Treatment & Purification System - Install or Replace

Serving Dover, NH and surrounding areas

Approved (Corporate)

In business since 1988

Emergency services offered

Warranties offered

"I didn't like the fact I was going to be charged a fee to have them come to my home to see what I needed. I would recoup the fee if I hired them, but if I didn't, I lost over $80. I went with a company that provided a quote based on my water analysis and did not charge me any upfront fee."
Golf Tournament
Water quality team
HVAC tech
Electrical team
Bryan, electrician

+24

133 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for St Pierre Plumbing & Drains LLC
St Pierre Plumbing & Drains LLC
5.0(
6
)
Water Treatment & Purification System - Install or ReplaceWell Pump - Repair or ServiceWater Treatment & Purification System - Repair or Service

Serving Dover, NH and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

Professional Plumbing & Drain Cleaning in Raymond, NH.\nAt St. Pierre Plumbing & Drain Cleaning, we believe you shouldn't have to gamble on the quality of your plumbing. We deliver top-tier residential and commercial plumbing solutions with honest communication, transparent pricing, and dependable workmanship every step of the way.

Project Photos
20 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 ServiceWell Pump - Repair or Service

Serving Dover, NH and surrounding areas

In business since 1981

Emergency services offered

Credit card accepted

"George and his team were extremely friendly and professional. This is a good group of people. Courteous and thoughtful, they were able to do a complete installation of both systems from scratch in about 6 hours.
The new radon remediation system (Bubble Up) has the added benefit of boosting the fixture pressure in the house to city level or better (60-75psi) as well as completely resolving the pH level of the water.
The cost was slightly lower than the other two quotes we received, partially due to the fact that Absolute offered a "multi-system" discount since two systems were going in at the same time.
If in your service area, I would highly recommend George Doumit of Absolute Water System.
"
Additional Photos
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Recommended by96%of homeowners
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Water Softeners FAQs, answered by experts

Experts recommend that you put two to four bags of potassium chloride in your water softener every month. This amount depends on how much is in the bag (40 pounds is most common) and what your water softener manufacturer recommends. For more specific advice, talk to a water softener pro in your area and read the manual that came with your system.

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.

The most effective way to fix hard water in your shower is by installing a whole-home water softening system. This system treats water as it enters your home, removing the minerals that cause hardness before they can reach your shower or any other fixtures. While this is the most comprehensive solution, other methods are often temporary fixes. For a more affordable and shower-specific option, you can install a water-softening showerhead or a shower filter. However, these filters are generally less effective and may not remove all the contaminants that lead to limescale and hard water stains. By implementing a water softening solution, you can expect a reduction in mineral deposits and enjoy the benefits of cleaner-feeling hair and skin.

You should not use a water conditioner with a water softener because a water conditioner changes the chemistry of the water and causes the ion exchange in a softener to be ineffective. Choose a water softener if you have hard water or well water, and use a water conditioner if you need to remove certain contaminants.

The main difference between a water softener and a water filter is what they remove from the water. A water softener is specifically designed to remove hard minerals, while a filter removes a wider range of contaminants above a certain size, such as bacteria and other impurities. If your primary goal is to remove minerals, a softener is the best choice. If you want to remove various contaminants for safety or taste, a filter is more suitable. Filters are also typically less expensive to install. Depending on your water supply's specific issues, you may need to install both systems for comprehensive treatment.

The Dover, NH homeowners’ guide to water softener services

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