4.9 
27 *The Angi rating for Water Softener Service companies in Sandy Spring, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Water Softener Service needs.
*The HomeAdvisor rating for Water Softener Service companies in Sandy Spring, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Water Softener Service needs.
Last update on January 19, 2026
Serving Sandy Spring, MD and surrounding areas
Approved
Super Service Award Winner
In business since 2017
Free estimates
Warranties offered
"Scott was super informative and helpful in showing us the difference in the water softener systems. We love that we now have the added alkaline water â on tap!â"
+1
Serving Sandy Spring, 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."
+24
Serving Sandy Spring, MD and surrounding areas
Approved
In business since 1993
Free estimates
Warranties offered
"It was an excellent experience. The tech took the time to patiently explain the issue and then set about correcting the problem. My water quality is now great and we are happy customers."
+19
Serving Sandy Spring, 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."
+22
Serving Sandy Spring, 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.."
+31
Serving Sandy Spring, MD and surrounding areas
Approved
In business since 1968
Free estimates
Emergency services offered
"They replaced and installed a new water outlet for my refrigerator water connection. It was fast and the work was done well."
Serving Sandy Spring, MD and surrounding areas
Approved
In business since 2004
Free estimates
Credit card accepted
"They were up front with what is wrong. Provided explanation of the quote. Asked permission to get access to places. They explain the reasoning for the cost and the risks if ignored. Pricing was fair. Went above an beyond to solve the water heater issue we had. Even calling in an electrician to help with a fix. They were on-time to early on their scheduled appointments. Excellent customer service."
Serving Sandy Spring, 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,
Serving Sandy Spring, MD and surrounding areas
Approved
Super Service Award Winner
In business since 2008
Free estimates
Credit card accepted
"Such a pleasure working with them. Very professional and they did the job extremely quickly. All the leaky drains fixed with no issue."
Serving Sandy Spring, 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!
From average costs to expert advice, get all the answers you need to get your job done.
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