Get matched with top water treatment pros in Allentown, PA

"Enjoying our new water treatment system. Our old one was leaking. Now we have a new stainless steel system in our basement. Our salesman, Scott, was very friendly and helpful. I would recommend this company to anyone who us interested in a water treatment system."

"They were very prompt in replying for what I was looking for in water treatment & purification. Also, they showed you through testing your water, how cloudy, sediment it has that makes it impure. I am very pleased with this water treatment & purification system. My sinks do not have a film left on them. My skin feels softer. My laundry is cleaner."

"Brian is very professional and provides excellent customer service. Water treatment system installation went smoothly and at a very affordable price. I highly recommend."

"Abdiel was super to work with. He really knew his stuff and explained so many things to me that I did not know before. He gave me such a great deal that i couldn't say no. The system is perfect and the water delightful. Lucian installed the system. Couldn't have asked for anyone more gentlemanly. Very meticulous about his work. Seems to be a great company all around."

"The morning that my well pump stopped working and water did not flow into my house, I had called them and they came out that same day to do the repairs. They are wonderful, well priced and very experienced! I would absolutely recommend them to anyone!!"

".We called our warranty company at 10:30.Jon and Ray came to our house at 2:00. They went to the front of our house to look at the drainage system as well as the drainage in the basement.
   They were polite and answered all my questions. I was very impressed with both of them.
  We paid $75.00 for a service fee for our warranty company so I am not sure what they charge other customers.
  
   If I ever have any problems I would definitely hire them again.
"

"Yes, one day install conversion from tank electric to tankless gas with water softener"

Dierolf Plumbing & Water Treatment is a 5-star rated plumbing and water treatment company serving homeowners throughout Montgomery, Bucks, Berks, Chester, Delaware, and Lehigh Counties. With over 25 years of industry experience, our licensed master plumbers and factory-trained water treatment specialists focus on one thing: delivering the most exceptional service experience ever.\n\nWe specialize in well inspections, professional water testing, water softeners, reverse osmosis systems, well pumps and tanks, sump pumps, water heaters, and water pressure solutions. Whether you're buying a home, improving your water quality, or upgrading your plumbing system, we provide clear options, upfront pricing, and solutions that are built to last.\n\nWith over 1,000 five-star reviews across two locations, homeowners trust Dierolf for honest recommendations, expert workmanship, and dependable results.

Our company provides exceptional service to the surrounding areas. Always taking pride our services, striving to execute with excellence, and putting our customers in the forefront, is our philosophy. Whatever your home improvement needs may be, you can count on our company to leave you satisfied and happy. Call today , you'll be pleased you did. Thank you!

"Excellent! I am new to the area and having Mark on my side has been a blessing. Not only does he knows his stuff and provides a competitive price but he is also very professional and kind. He made sure I passed the home inspection, did washer and dryer connections, and service my heating system. 100% recommended!"