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Find Water treatment & purification system repair or service pros in Washington

Avatar for National Water Service Corp
National Water Service Corp
4.6(
114
)
Water Treatment & Purification System - Repair or Service

Serving Washington, DC and surrounding areas

In business since 1979

Free estimates

Emergency services offered

"National water has done a great deal of work for us. When we bought our house in 2001 NWS installed our water purification system any water related needs. I highly recommend them & we will continue to use their services. My husband pays the bills so I'm not sure about the fees but they know what they're doing, professional, friendly & honest."
Water Treatment, water softener, solution feeder, constant pressure well pump system
Tankless Water Heater
Whole House Water Treatment with Twin PFA/PFOAs remediation filters
Installing a new well line from the well to the house
Tankless Water Heater and Traditional Water Heater

+31

Recommended by92%of homeowners
Avatar for F.H. Furr Plumbing, Heating, Air Conditioning & Electrical
F.H. Furr Plumbing, Heating, Air Conditioning & Electrical
4.7(
608
)
Water Treatment & Purification System - Repair or Service

Serving Washington, DC and surrounding areas

In business since 1981

Free estimates

Emergency services offered

"Service technician Joseph Sellers answered our call for air conditioning unit inspection and service. Excellent. He was personable, professional, and very knowledgable. He explained everything in detail and took care of our problem on the spot in a couple of hours."
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1 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Sila Heating, Cooling and Plumbing
Sila Heating, Cooling and Plumbing
4.6(
2,180
)
Water Treatment & Purification System - Repair or Service

Serving Washington, DC and surrounding areas

In business since 1989

Free estimates

Emergency services offered

"Sila was great about scheduling repair visit same day. Repairman showed up early (good), diagnosed problem before he even got to the unit (bad capacitor, buzzing), had part onboard truck, and then fixed it in less than 20 minutes, total visit. Charged me $439. Cost was $149 for diagnostic/visit + $290 for replacing the part. Repair was so quick that it was less labor than would have been required for a more common diagnostic. Since doing research after the visit, I'm of the opinion that the cost was excessive -- perhaps twice what it should have been. Service was good, but I would think twice before using Sila again, say, to replace this 17 yo system down the road."
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+4

Recommended by91%of homeowners
Avatar for Jiffy Plumbing & Heating, Inc.
Jiffy Plumbing & Heating, Inc.
4.3(
1,155
)
Water Treatment & Purification System - Repair or Service

Serving Washington, DC and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"Great job by Jiffy. They had to pull a new water line under my townhouse slab foundation to replace the leaking poly water line. Pete Kristiansen, who is very knowledgeable and experienced, knew exactly what needed to be done. Plus it was a fair price. Highly recommend them."
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+8

Recommended by85%of homeowners
PRESSLEY PLUMBING SERVICE
4.6(
19
)
Water Treatment & Purification System - Repair or Service

Serving Washington, DC and surrounding areas

In business since 2003

Emergency services offered

Credit card accepted

"I have been very pleased with the quality of work done and the quality of fixtures installed too. He gave me estimates of how much things would cost and was true to his word. I feel like I have found someone that has not forgotten customer service and quality. I will use Pressley Plumbing again."
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Recommended by88%of homeowners
Avatar for Capitol City Plumbing LLC
Capitol City Plumbing LLC
4.8(
22
)
Water Treatment & Purification System - Repair or Service

Serving Washington, DC and surrounding areas

Free estimates

Emergency services offered

Credit card accepted

"Excellent customer service! Explained processes and gave great guidance and feedback. Plumbing issues solved in a timely manner. I’ve used this company multiple times. This is my go to for all plumbing needs. Five stars!!!"
Plumbing Project
Old Garbage disposal
Plumbing Project
Hole in garbage Disposal
New Garbage Disposal installed

+16

Recommended by100%of homeowners
Avatar for Kelly Plumbing & Heating
Kelly Plumbing & Heating
4.5(
84
)
Water Treatment & Purification System - Repair or Service

Serving Washington, DC and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"It went really well. Mr.Kelly and his team were very professional. I didn't know anything about repairing and cleaning a gas fireplace, but Mr.Kelley took the time to explain everything to me. I really appreciated that. I will definitely use them in the future. I would also recommend them to family and friends."
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+2

Recommended by89%of homeowners
Showing 1-10 of 37
FAQs for water treatment & purification system repair or service projects in Washington, DC

If your water softener is over 10 years old or if repair costs approach the price of a new unit, it might be time to replace it. Most water softeners last between 10 and 15 years. Replacing an aging unit can improve your water quality and help you avoid frequent repair costs. For a newer system with minor issues, repairing may be the best option. Consider the age and condition of your system to decide what's most cost-effective.

Water treatment systems remain dependable for 10 to 20 years with proper maintenance and care. A well-maintained system secures full performance by following a scheduled upkeep plan and professional inspections. Consistent maintenance guarantees continuous water purification, ensuring that the system operates at its peak efficiency and delivers high‑quality water throughout its lifespan.

Faulty water softeners exhibit clear symptoms that signal the need for immediate attention. Noticeable mineral build-up around faucets, discolored water, dry or itchy skin following a shower, and altered laundry texture indicate that the system is underperforming. Recognizing these issues early and addressing them promptly prevents further damage and maintains optimal water quality. Early intervention ensures that your water system continues to operate reliably and efficiently.

The Washington, DC homeowners’ guide to water treatment & purification system repair or services

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