Welcome to our Web site!

You have reached Castle Water your local RAINSOFT® Dealer.  We are located in Greencastle, PA.   Look around to learn more about water and air quality.  Learn about the different types of water treatment methods.   We sell all types of RAINSOFT® Water & Air Treatment Equipment to solve virtually any problem.  Our premium water and air treatment products deliver the best quality available on the market.  From soft clean luxurious water to fresh clean air,  Castle Water is here to delivery outstanding products and award winning customer service.  Our EC4 Water Conditioner carries a LIFETIME GUARANTEE ON ALL PARTS!!!

Many RAINSOFT® water & air treatment products and components are tested and certified  by various independent testing and validation organizations.

Water Quality Association	Consultants of Europe	Canadian Standards Association	TUV Rheinland of North America	Underwriters Laboratory