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  • Average homeowner rating star icon4.1
    Average homeowner rating
  • Verified reviews icon21
    Verified water softener services reviews

Find Water softener pros in Friendly

Avatar for Tankless Concepts

Tankless Concepts

4.99(
117
)

Tankless Concepts

4.99(
117
)
Customers say: Super punctual
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We specialize in the installation and servicing of Rinnai and Navien tankless water heaters and boilers. We are proud to be recognized by Rinnai as the Top Dealer/Installer in Maryland, Virginia and Washington DC. We have earned Rinnai's "Advanced Comfort Expert (ACE)" status. We are also proud to be an authorized dealer / service provider for Navien. We are a nine-time recipient of the Angie's List esteemed Super Service Award and have been featured in their Super Service Spotlight and in Advice from Angie's List by Angie Hicks. We have over 25 years of gas experience and have been installing and servicing tankless water heaters since September of 2004. We offer in-home consultations and provide professional estimates within 24-48 hours of consultation. We stand behind our installations with a two-year (2-year) warranty on workmanship and materials and we provide maintenance and repair service for every appliance that we install.

"So glad we found this company! We had a few estimates and Tankless Concepts was by far the most knowledgeable and professional with reasonable prices. They were able to explain every aspect of the job to get the correct system and installation for our home. When it came time to install the team was super friendly and helpful and they were able to make on-site adjustments to help us get everything just right. We are very happy with how things turned out and would absolutely recommend for anyone considering having a tankless water heater."

Andy T on June 2024

We specialize in the installation and servicing of Rinnai and Navien tankless water heaters and boilers. We are proud to be recognized by Rinnai as the Top Dealer/Installer in Maryland, Virginia and Washington DC. We have earned Rinnai's "Advanced Comfort Expert (ACE)" status. We are also proud to be an authorized dealer / service provider for Navien. We are a nine-time recipient of the Angie's List esteemed Super Service Award and have been featured in their Super Service Spotlight and in Advice from Angie's List by Angie Hicks. We have over 25 years of gas experience and have been installing and servicing tankless water heaters since September of 2004. We offer in-home consultations and provide professional estimates within 24-48 hours of consultation. We stand behind our installations with a two-year (2-year) warranty on workmanship and materials and we provide maintenance and repair service for every appliance that we install.

"So glad we found this company! We had a few estimates and Tankless Concepts was by far the most knowledgeable and professional with reasonable prices. They were able to explain every aspect of the job to get the correct system and installation for our home. When it came time to install the team was super friendly and helpful and they were able to make on-site adjustments to help us get everything just right. We are very happy with how things turned out and would absolutely recommend for anyone considering having a tankless water heater."

Andy T on June 2024


Avatar for DJ's Plumbing Services LLC

DJ's Plumbing Services LLC

4.96(
91
)

DJ's Plumbing Services LLC

4.96(
91
)
Customers say: Quick response
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers

**SPECIAL $199 Garbage Disposal & $225 Toilet Installation**We are a small plumbing company located in Maryland. We service all your plumbing needs. Our website is www.djplumbingservices.com . No job to small or big .We have 24 hour emergency service and we are dedicated to customer satisfaction

"I reached out to DJ's Plumbing Service to replace a leaking garbage disposal. Mr. Donald was very professional and went out of his way to accommodate my schedule. He performed the work quickly and tested the new equipment to ensure that there were no leaks. I also appreciate that he upgraded the garbage disposal to a much better model than I anticipated. I will definitely call DJ's Plumbing Service for future work."

Yvonne D on December 2019

**SPECIAL $199 Garbage Disposal & $225 Toilet Installation**We are a small plumbing company located in Maryland. We service all your plumbing needs. Our website is www.djplumbingservices.com . No job to small or big .We have 24 hour emergency service and we are dedicated to customer satisfaction

"I reached out to DJ's Plumbing Service to replace a leaking garbage disposal. Mr. Donald was very professional and went out of his way to accommodate my schedule. He performed the work quickly and tested the new equipment to ensure that there were no leaks. I also appreciate that he upgraded the garbage disposal to a much better model than I anticipated. I will definitely call DJ's Plumbing Service for future work."

Yvonne D on December 2019


Avatar for Environmental Testing & Research Laboratories, Inc

Environmental Testing & Research Laboratories, Inc

4.85(
347
)

Environmental Testing & Research Laboratories, Inc

4.85(
347
)
Customers say: True professional
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018


"Prompt, helpful and at a reasonable cost."

Prabal S on May 2018

Licensed master electrician serving all of southern Maryland. No job too small. We accept major credit cards. Senior discounts. Free estimates. Residential and commercial.

"Prompt, helpful and at a reasonable cost."

Prabal S on May 2018


Avatar for Pristine Water Treatment

Pristine Water Treatment

4.83(
95
)

Pristine Water Treatment

4.83(
95
)
Customers say: Quick response
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers

Financing available with qualified purchase. Trade ins welcome for new whole house water treatment systems. We service all makes and models water treatment equipment. We also do minor plumbing work. New Systems we include a lifetime transferable warranty. All new systems are chemical free. ***Proud Winner of Water Quality Products Dealer of the Month*** http://www.wqpmag.com/family-legacy 10% off Senior Citizens and Military drinking water,drinking water filter,home water treatment system,reverse osmosis system,water filter,water filtration,water heater,water purification,water softening,water treatment

"Pristine did a great job. We were pleased they were willing to hook up existing equipment, as some companies had refused to. (Our previous company had gone out of business, and they complimented the existing work.) They worked quickly and cleaned up after themselves. Now our water is acid free and has fewer minerals. No more white powder everywhere!"

Jessica B on March 2021

Financing available with qualified purchase. Trade ins welcome for new whole house water treatment systems. We service all makes and models water treatment equipment. We also do minor plumbing work. New Systems we include a lifetime transferable warranty. All new systems are chemical free. ***Proud Winner of Water Quality Products Dealer of the Month*** http://www.wqpmag.com/family-legacy 10% off Senior Citizens and Military drinking water,drinking water filter,home water treatment system,reverse osmosis system,water filter,water filtration,water heater,water purification,water softening,water treatment

"Pristine did a great job. We were pleased they were willing to hook up existing equipment, as some companies had refused to. (Our previous company had gone out of business, and they complimented the existing work.) They worked quickly and cleaned up after themselves. Now our water is acid free and has fewer minerals. No more white powder everywhere!"

Jessica B on March 2021


Avatar for National Water Service Corp

National Water Service Corp

4.61(
104
)

National Water Service Corp

4.61(
104
)
Customers say: Super punctual
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers

At National Water Service, we set the standard for home water treatment, purification, as well as a complete line of well pumps, boosters, etc. In dealing with Residential areas, one of the important things a homeowner needs to consider is water quality. It is important to note that whether on City Water or a Well System, water quality can vary quite a bit from neighborhood to neighborhood. National Water Service is happy to do a basic analysis at no charge. And if extensive testing is deemed necessary, we have testing services available. National Water Service has been installing and servicing complex water systems in Restaurants, Hotels, Hospitals, Shopping Centers, and various other sites all over the the DC Metro area for over 45 years. We work with Architects, Builders, and Construction Firms to create custom applications for Water Treatment and Purification. Our installers are all professionally trained in both Water Treatment, Purification and well pump service.

"Pitless adapter replacement."

joshua g on August 2020

At National Water Service, we set the standard for home water treatment, purification, as well as a complete line of well pumps, boosters, etc. In dealing with Residential areas, one of the important things a homeowner needs to consider is water quality. It is important to note that whether on City Water or a Well System, water quality can vary quite a bit from neighborhood to neighborhood. National Water Service is happy to do a basic analysis at no charge. And if extensive testing is deemed necessary, we have testing services available. National Water Service has been installing and servicing complex water systems in Restaurants, Hotels, Hospitals, Shopping Centers, and various other sites all over the the DC Metro area for over 45 years. We work with Architects, Builders, and Construction Firms to create custom applications for Water Treatment and Purification. Our installers are all professionally trained in both Water Treatment, Purification and well pump service.

"Pitless adapter replacement."

joshua g on August 2020


"A tub facet and shutoff valve were replaced."

Sharon M on June 2020

Competetive Pricing. Award winning. [email protected] [email protected]

"A tub facet and shutoff valve were replaced."

Sharon M on June 2020


Avatar for CroppMetcalfe

CroppMetcalfe

4.53(
174
)

CroppMetcalfe

4.53(
174
)
Customers say: True professional
46 years of experience

CroppMetcalfe was founded and established in 1979 by Mitchell Cropp, and has remained a family owned business by Mitchell and his sons ever since. CroppMetcalfe's mission has always been to provide the ultimate in total comfort systems for your homes and businesses. Additional phone - (540) 347-3024.

"technicans showed up right away and on time. Justin the apprecitice did a great job of being there and helping the process. The senior man inspected the celing and determined a leak on the roof. I'm just glad it wasn't the fire sprinkling system. All in all, a great job. thanks again. Angies List members, hire these guys! Dave Miller"

David M on October 2020

CroppMetcalfe was founded and established in 1979 by Mitchell Cropp, and has remained a family owned business by Mitchell and his sons ever since. CroppMetcalfe's mission has always been to provide the ultimate in total comfort systems for your homes and businesses. Additional phone - (540) 347-3024.

"technicans showed up right away and on time. Justin the apprecitice did a great job of being there and helping the process. The senior man inspected the celing and determined a leak on the roof. I'm just glad it wasn't the fire sprinkling system. All in all, a great job. thanks again. Angies List members, hire these guys! Dave Miller"

David M on October 2020


Avatar for Blue Dot Services

Blue Dot Services

4.41(
501
)

Blue Dot Services

4.41(
501
)
Customers say: True professional
59 years of experience

For fast and exceptional service for your heating, cooling or Indoor Air Quality needs, call us now: 443-955-5739. Contact Blue Dot Services of Maryland today for your residential heating and cooling needs. Our staff is ready to answer your calls 24 hours a day, 365 days of the year with friendly service. Our Trust Certified technicians are true experts in their field - individuals you can rely on to be prompt, courteous, and do the job right. Comfort, Courtesy and Peace of Mind, Right on the Dot...with Blue Dot! Blue Dot Gives You… Personalized, Individual Attention 24/7 availability Emergency service Appointments that are convenient for you Background checked and drug tested professionals Up-front estimates before the work begins Guaranteed satisfaction Blue Carpet Service License # 17840, 68820, PA127936

"Blue dot lies!! I had a technician to my home who diagnosed the problem as a leak i paid the invoice they sent another technician to do the repair and this technician reassessed and provided a new diagnosis alleged that my Freon was “ stolen” from my unit and over charged me to refill the tank. Now all the Freon is gone again and i cannot seem to get a technician back to the home to repair the problem that i paid for in the initial service call. DO NOT trust this company. I was bamboozled their own technicians don’t trust each others work hence I’m in a hot house and out of a lot of money for a Freon refill that clearly leaked out with the leak that blue dot technician claimed he could not find. Run far and don’t allow these people near your unit THEY LIE and take money"

Tonya P on June 2025

For fast and exceptional service for your heating, cooling or Indoor Air Quality needs, call us now: 443-955-5739. Contact Blue Dot Services of Maryland today for your residential heating and cooling needs. Our staff is ready to answer your calls 24 hours a day, 365 days of the year with friendly service. Our Trust Certified technicians are true experts in their field - individuals you can rely on to be prompt, courteous, and do the job right. Comfort, Courtesy and Peace of Mind, Right on the Dot...with Blue Dot! Blue Dot Gives You… Personalized, Individual Attention 24/7 availability Emergency service Appointments that are convenient for you Background checked and drug tested professionals Up-front estimates before the work begins Guaranteed satisfaction Blue Carpet Service License # 17840, 68820, PA127936

"Blue dot lies!! I had a technician to my home who diagnosed the problem as a leak i paid the invoice they sent another technician to do the repair and this technician reassessed and provided a new diagnosis alleged that my Freon was “ stolen” from my unit and over charged me to refill the tank. Now all the Freon is gone again and i cannot seem to get a technician back to the home to repair the problem that i paid for in the initial service call. DO NOT trust this company. I was bamboozled their own technicians don’t trust each others work hence I’m in a hot house and out of a lot of money for a Freon refill that clearly leaked out with the leak that blue dot technician claimed he could not find. Run far and don’t allow these people near your unit THEY LIE and take money"

Tonya P on June 2025


Gidders & Sons Plumbing LLC

4.81(
42
)

Gidders & Sons Plumbing LLC

4.81(
42
)
Customers say: True professional
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers

We are a small family owned and operated business. All plumbing services are performed by licensed and insured professionals. We do not advertise commercially, all work is through references or as the preferred plumber for multiple local neighborhoods.

"They did a good job. They were easy to work with, very reliable, he understand the plumbing, and very good customer service."

George K on July 2021

We are a small family owned and operated business. All plumbing services are performed by licensed and insured professionals. We do not advertise commercially, all work is through references or as the preferred plumber for multiple local neighborhoods.

"They did a good job. They were easy to work with, very reliable, he understand the plumbing, and very good customer service."

George K on July 2021

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Water Softeners questions, answered by experts

Yes, it’s fine to drink softened water. However, if you follow a low-sodium diet or have high blood pressure or sodium-related health concerns, make sure to speak with your doctor beforehand. If they advise against drinking water that’s been softened with sodium, you might be able to use potassium in your water softener instead.

The license requirements for water softener installation depend on your location. Some municipalities require that the installer hold a plumbing license, some require a permit and an inspection, but no license for the installer, and some require a permit and a license for the installer. Regardless of the local laws in your area, it’s always a good idea to hire a licensed plumber or installer. These pros will install your system properly and have the experience to size the system appropriately. Use Angi’s state licensing tool to check your installer’s license status.

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.

Water softeners are worth the money if you live in an area with hard water. Hard water is safe to drink, but it poses serious threats to your plumbing system. The minerals in hard water will gradually build up on the inside walls of your pipes, reducing water flow to your fixtures. The minerals can also gradually corrode your plumbing system, reduce its lifespan, and increase the risk of leaks. Hard water also makes soap and detergent less effective. Water softener systems can solve all these issues, making them a great investment.

Most experts agree there’s not much difference health-wise between hard water versus soft water. That said, hard water is more likely to cause skin dryness and issues that go along with it, like an itchy or flaky scalp. Hard water can also decrease the life span of your household appliances and make it more difficult for soap to do its job.

The Friendly, MD homeowners’ guide to water softener services

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

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