Certified Water Services


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Address: 1669 Edgewood Road Suite 204 , Yardley, PA 19067
  • Main: 215-968-8860
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About Certified Water Services

Certified Water Services is a family owned and operated water treatment, purification, and testing company serving the tri state area. When you call CWS, you will talk to a Water Quality Association certified expert. When we test and analyze your water we will recommend what we would do if we had our family living in your home. Top quality, professional grade, water treatment systems that solve your water problems. And since we are not a franchise (we do not have to pay for billboards or Super Bowl ads), our prices are extremely competitive.

Opening hours

Mon - Thu
Sat - Sun

Products & services

Water Testing


Water testing and analyses- most of our tests can be done in home, but we are also able to provide Read more

Reverse Osmosis System from Certified Water Services thumbnail

Reverse Osmosis System


The GOLD standard for drinking water purification. Read more

Water Softners (Conditioners)- Sales, Installation, Service, and Repair from Certified Water Services thumbnail

Water Softners (Conditioners)- Sales, Installation, Service, and Repair


Benefits of conditioned, soft water for in your home: Softer skin, hair, towels, clothes, and use less soap ; Clean Read more

Reverse Osmosis Drinking Water FIlter Sales, Installation, Services, and Repair


Reverse Osmosis drinking water systems are th e gold standard for drinking water purification. Read more


Free RO w/ Purchase & Installation of a water softener

05/24/2016 - Coupon # : [Mention that you found this co]

Receive a FREE reverse osmosis water purification system with the purchase and installation of a water softener!

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$679-Complete Reverse Osmosis System & Installation*

05/10/2016 - Coupon # : [Mention that you found this co]

*A designer faucet in either brushed nickel, oil rubbed bronze, or chrome, is included. Custom faucets are extra.

View coupon

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