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  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon31
    Verified water softener services reviews

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

Avatar for Hague Quality Water of Maryland, Inc.
Hague Quality Water of Maryland, Inc.
4.7(
326
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Gaithersburg, MD and surrounding areas

Approved

In business since 1993

Free estimates

Emergency services offered

"The service person was very professional. We recently purchased home. No manuals for water system anywhere to b found. The service person took his time and clearly explained everything. Filters were then changed. He clearly knew what he was doing."
 MD Green Reg
Working hard to be green
Our Hague Equipment
 100% wind energy
New Install

+24

30 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Atlantic Blue Water Services
Atlantic Blue Water Services
4.8(
125
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Gaithersburg, MD and surrounding areas

Approved

In business since 1994

Free estimates

Emergency services offered

"They replaced my leaking Poly water line from the street to the house with a new copper line. They tried to pull the new line through but were unsuccessful so they eventually had to trench through my yard to install the new copper line. In order to do this, they did have to cut through my concrete driveway which I had to get patched. After some adjustments were made with the new water pressure valve the system works great."
The Fleet
The Building on Rt. 140
Main water line replacement!
Well Pump Replacement
Training Session!

+22

Response time10 hrs
Response rate88%
88 neighbors recently requested a quote
Avatar for Leaf Home Water Solutions
Leaf Home Water Solutions
4.2(
202
)
Water Treatment & Purification System - Install or Replace

Serving Gaithersburg, MD and surrounding areas

Approved (Corporate)

In business since 2020

Free estimates

Warranties offered

"The installer Dustin was great! He was on time and professional. The installation was completed in about four hours as stated the job would be. I am happy with my water softener system and so is my skin!"
Leaf Home Water Solutions
Leaf Home Water Solutions
Will filtered water help me save money?
What does filtered water taste like?
How do I know what contaminants are in my water?

+44

139 neighbors recently requested a quote
Recommended by71%of homeowners
Avatar for Beacon Home Services, Inc.
Beacon Home Services, Inc.
4.6(
2,092
)
Well Pump - Repair or Service

Serving Gaithersburg, MD and surrounding areas

Approved

In business since 2002

Free estimates

Emergency services offered

"Fantastic company. We had a water heater installed. The installer was fantastic. He was on time, professional and extremely knowledgeable. We will use them again. If I could give them 10 stars I would.."
Beacon Home Services - Electric, Plumbing, Drains
New water heater replacement
Our Team
Electrician - Installing 2 new electrical panels
Beacon Home Services - Electrician

+31

Response time30 mins
Response rate100%
580 neighbors recently requested a quote
Chesapeake Water Treatment, Inc.
4.4(
32
)
Water Treatment & Purification System - Install or Replace

Serving Gaithersburg, MD and surrounding areas

Approved

In business since 1993

Credit card accepted

Customers say: Quick response

Chesapeake Water Treatment, Inc., in business since 1993, offers complete environmental systems. Our water and air filtration system carry a lifetime warranty, you can even take it with you move. \nPlease give us a call today. Moreover, you can call to arrange a free and home estimate,

Response time1 day
Response rate90%
60 neighbors recently requested a quote
Avatar for Michael Bonsby HVAC, Plumbing & Electrical
Michael Bonsby HVAC, Plumbing & Electrical
4.6(
113
)
Water Treatment & Purification System - Install or Replace

Serving Gaithersburg, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2008

Free estimates

Credit card accepted

"very courteous; the original project was to fix leaks from the toilet; I asked the team if they could also fix a water connection to outside faucet, they agreed after checking with the office. So all in all, great technicians highly recommended"
AC
AC
AC
Furnace
Response time10 mins
Response rate100%
Recommended by93%of homeowners
Markool Heating & Cooling, LLC
4.7(
18
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Gaithersburg, MD and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

Welcome to Markool Heating & Cooling. We proudly provide the highest quality of service and craftsmanship for each aspect of your project. Our depth of knowledge and experience solidify our belief that customer service stands as the highest priority. We eagerly look forward to working with you and making your vision a reality. Give us a call, text, or email today, and let us get started!

Response time1 day
15 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Benjamin Franklin Plumbing
Benjamin Franklin Plumbing
3.9(
107
)
Well Pump - Repair or Service

Serving Gaithersburg, MD and surrounding areas

Approved

In business since 1949

Free estimates

Credit card accepted

Benjamin Franklin Plumbing® of Mount Airy traces its roots as a company all the way back to 1949. We started offering plumbing services in 1991 and haven't looked back since! Our team is comprised of a selection of the most skilled plumbers in Mount Airy and serving the DC metro area who are constantly receiving industry-leading training to stay updated with the latest plumbing developments. \n \nWe treat customers with respect, do the job right, and always clean up after ourselves. Our plumbing repair specialists proudly serve residents in Mount Airy, Frederick, Baltimore, Gaithersburg, Ellicott City, Columbia, Towson, Westminster, and all throughout the Washington DC area. Whether you need an emergency pipe repair or require routine maintenance, Benjamin Franklin Plumbing® of Mount Airy is ready to help!

Water Heater 1
Water Heater 2
Water Treatment
Fixed Leak 2
Leaking Under Sink 1

+12

Response time6 hrs
15 neighbors recently requested a quote
Recommended by58%of homeowners
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Water Softeners FAQs, answered by experts

Drinking hard water is not known to have any negative health impacts. Using hard water can lead to dry skin and hair, and the minerals in hard water can build up in pipes, faucets, and appliances. Hard water is more of a threat to your plumbing than it is to your health.

Hard water is not considered unhealthy and is safe to drink, cook with, and bathe in. It doesn't pose a risk to your physical health and can even help you get enough essential minerals like calcium in your diet. However, it can negatively affect skin and hair. Using hard water for washing can contribute to dry skin, an itchy scalp, and may worsen conditions like eczema by altering the pH balance. Additionally, some people do not like the taste of hard water.

A tankless water heater should be at least 10 feet away from a water softener, although the pros you hire for water softener installation can help you determine the correct distance. These two units need to have some distance between them to prevent hot water from the tankless water heater from flowing backward into the water softener when it runs a regeneration cycle.

Yes. To get soft water, you can install a water softening system, which will replace the calcium and magnesium ions in the water with sodium or potassium ions. Water softeners cost anywhere from $200 to $6,000, depending on the size and complexity of the system. You can either install a water softener for the whole house or just at your shower heads. If you’re sensitive to sodium or potassium, you can install a salt-free water conditioner.

Installing a water softener could help reduce calcium buildup in your pool if your pool has high calcium hardness as a result of hard drinking water in your home. Pool softeners work by exchanging calcium and magnesium for sodium, so if you use softened water to top off your pool, it may help keep calcium hardness from rising over time. However, it won’t lower the calcium hardness of the water already in your pool and isn’t a practical way to control pool calcium levels. The average water softener installation cost is between $200 and $6,000.

The Gaithersburg, MD homeowners’ guide to water softener services

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