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  • Average homeowner rating star icon4.3
    Average homeowner rating
  • Verified reviews icon12
    Verified water softener services reviews

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

Avatar for Karsare Water Systems, LLC
Karsare Water Systems, LLC
5.0(
24
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or ServiceWell Pump - Repair or Service

Serving Union, KY and surrounding areas

Approved

In business since 1994

Free estimates

Warranties offered

"Mike and his team were very responsive from my first contact with Karsare Water Systems. I had a water softener system that developed a problem. Mike came to my home to access my situation and to troubleshoot for possible causes. Mike was very proactive in attempting to determine if repair or replacement was best option and most cost effective. After considering 3 options provided by Mike, I elected to have my older unit replaced with a more efficient Kinetico water softener. Due to manufacturing delays caused by COVID, new unit delivery was delayed a few weeks. This was NOT the fault of Karsare. Upon receipt of new units in their inventory, company immediately contacted me to schedule install appointment. Technician arrived on time as scheduled and immediately went to work replacing my older water softener. Technician worked quickly and had new unit up and running in about 2 hours. Cleaned up area around his work space. Great experience from beginning to the end. Kinetico water systems are not the cheapest in the industry but provide a high quality water softener system for homeowners like me. Karsare is a very professional, knowledgeable, and customer focused company."
Response time1 day
Response rate90%
Recommended by95%of homeowners
Avatar for Ohio Valley Pure Water Systems, Inc
Ohio Valley Pure Water Systems, Inc
5.0(
246
)
Water Treatment & Purification System - Install or Replace

Serving Union, KY and surrounding areas

Approved

In business since 1988

Credit card accepted

Customers say: Super punctual

"I was in need of a new water softener system and looked on Angie's list for recommendations and saw the outstanding reviews for Ohio Valley Pure Water. Contacted Mike the next morning and he was able to come out and take a look later the same day. I was very impressed with Mike's professionalism and knowledge. He had informed me of several things that I was not aware of while using our old system. His pricing was lower than the previous company we had used and I got more bang for my buck! After discussing all with my husband, we decided Ohio Valley Pure Water was the only way to go. We were able to get an appointment a week later for the installation of our new system! Both Mike, the owner and Greg the installer were both very professional and knowledgeable. Can't thank Greg enough, he did an outstanding job while replacing our old system and adding a water filtration system. I am 100% satisfied with my new water softener and water filtration system and would highly recommend Mike and Ohio Valley Pure Water!"
Additional Photos
Water Treatment
Water Treatment
Water Treatment
Water Treatment

+13

2 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for K Zig Plumbing
K Zig Plumbing
4.9(
8
)
Water Treatment & Purification System - Install or ReplaceWell Pump - Repair or Service

Serving Union, KY and surrounding areas

Approved

Super Service Award Winner

In business since 1994

Free estimates

Credit card accepted

"Ken was the first plumber that gave us a reasonable price to install a shower tower. We didn't want to pay for a maintenance membership or to pay for someone's vacation house, we just wanted a simple plumbing matter taken care of. Ken was exceptional. He arrived on time, was very knowledgeable and explained every step of the procedure. We will definitely call Ken in the future for our plumbing needs. He also noticed that our pressure relief tank, for the hot water heater, was hanging low and had water inside it. It needed to be replaced and he was able to do that job too. Highly recommend!"
Response time1 day
Response rate86%
4 neighbors recently requested a quote
Avatar for Joe Lay & Sons Plumbing
Joe Lay & Sons Plumbing
4.4(
23
)
Water Treatment & Purification System - Install or Replace

Serving Union, KY and surrounding areas

Approved

In business since 1970

Free estimates

Warranties offered

"We needed to check our water heater for leaks prior to closing the sale of our house.Joe Lay were out installing a new water heater and expansion tank the next day. The technician explained how all the components were supposed to work before checking everything so we both knew we needed a new tank as well. Outstanding, professional company. Billy was very respectful, knowledgeable and professional the entire time in our home. We would highly recommend Joe Lay and Sons for any plumbing needs."
89 neighbors recently requested a quote
Recommended by57%of homeowners
Avatar for Tri State Complete Home Repair and Maintenance
Tri State Complete Home Repair and Maintenance
4.5(
77
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Union, KY and surrounding areas

Approved

Super Service Award Winner

In business since 1996

Free estimates

Emergency services offered

"I dealt with Tim for the price and project details and then Jeff was the man who came out to do the job. The deck had previously been done by a guy who did not know what he was doing so Jeff power washed the entire deck and let it dry for 24 hours, then he sanded the deck and scrubbed it down with denatured alcohol to help remove any remaining paint from before. When the deck was dry, Jeff taped off everything and proceeded to edge everything before he rolled a nice thick layer of paint on the deck. We waited another 24 hours and Jeff returned to apply a nice second coat of paint on the entire deck. Tim and Jeff are very easy to work with and I will most certainly come back to them for future projects."
Remodeling - General Project
Before ☹️
Remodeling - General Project
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Additional Photos

+5

10 neighbors recently requested a quote
Recommended by51%of homeowners
Fayette Heating & Air || H20 Maestro
5.0(
1
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Union, KY and surrounding areas

Approved (Corporate)

In business since 1971

Free estimates

Credit card accepted

Fayette Heating & Air/H2O Maestro is Kentucky's trusted HVAC, Electrical, and Plumbing company for all your complete home solution needs. \nFounded in 1971, Fayette Heating & Air is a professional Heating and Air Company that provides exceptional Residential and Commercial Services to the Central Kentucky area. Each of our Licensed Technicians and Certified Apprentices is verified as drug-free and felony-free, so you can rest assured we are only sending trustworthy people into your home or business. \n

7 neighbors recently requested a quote
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Water Softeners FAQs, answered by experts

A lower-end water softener would cost around $900, not including installation. Each home has different requirements, water hardness, and number of inhabitants, so there’s a huge range in pricing—$600 to over $6,000. The average water softener repair bill is around $500, meaning it’s a much better option to repair any issues and only replace your softener if absolutely necessary. 

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.

The most accurate way to determine whether you have hard water is to purchase a water test kit from a hardware store or send a tap water sample to a lab. But there are some signs you can look out for without professional testing. For instance, if you're consistently dealing with mineral stains on your glassware, windows, and shower doors, you're likely to have hard water. Hard water can also make it harder to lather and rinse soap, so if you're struggling to work up a good lather in the shower, hard water might be the culprit.

Softener systems extend appliance life spans, improve skin and hair health, and reduce pipe buildup by removing minerals like calcium and magnesium.

A single shower consumes an average of over 17 gallons, while brushing your teeth with the water running uses up to four unnecessary gallons. Watering the lawn spreads hundreds of gallons of water across the yard each time. Limiting water usage in these areas can significantly cut down your water bill.

The Union, KY homeowners’ guide to water softener services

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