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          • reverse osmosis systems
            Reverse osmosis Toronto, Ontario
            Improving residential & commercial / industrial water quality in Southern Ontario
            Serving Toronto, Richmond Hill, Vaughan, Brampton, Mississauga, Oakville, Milton, Ottawa & cities nearby
          • residential water purification
            Residential water purification solutions
            Delivering, clean, fresh, & filtered water to your Toronto or Ottawa area home
            Residential reverse osmosis (RO) systems, water softeners, iron & sulphur filters, ultraviolet (UV) sterilization systems, & carbon filters
          • commercial / industrial water treatment
            Commercial / industrial water treatment
            Enhancing the condition of Southern Ontario commercial / industrial water for 21+ years
            Commercial / industrial reverse osmosis (RO) systems, water softeners, iron & sulphur removal systems, & ultraviolet (UV) sterilization systems

          Welcome to Reverse Osmosis Toronto!

          Hills and Valley Water Systems Inc. delivers high-quality residential and commercial / industrial water treatment systems in Southern Ontario. Our professionally trained and skilled reverse osmosis Toronto team of technicians have over 21 years of experience under their belt. Home Stars has awarded our company their "best in industry" designation for the past three years running, proving that our reverse osmosis crew in Toronto has what it takes to deliver outstanding commercial / industrial and residential water treatment systems. Hills and Valley Water Systems Inc. offers many residential, and commercial / industrial water treatment products and services:


          • Residential water softeners
          • Residential reverse osmosis (RO)
          • Residential carbon filters
          • Residential iron & sulphur filters
          • Residential ultraviolet (UV)
            sterilization systems
          • Free in-home water analysis

          Commercial / Industrial

          • Commercial / industrial iron & sulphur
            removal systems
          • Commercial / industrial ultraviolet (UV) sterilization systems
          • Commercial / industrial water softeners
          • Commercial / industrial reverse osmosis (RO) systems
          • Free on-site commercial / industrial
            water analysis

          If you are a homeowner or commercial/industrial property owner in Toronto, Vaughan, Richmond Hill, Brampton, Mississauga, Oakville, Milton, Ottawa, or surrounding cities, please do not hesitate to contact us today! Our highly skilled and professional reverse osmosis Toronto technicians would be more than happy to offer you a free of charge on-site water analysis. By taking a sample of your water, our reverse osmosis professionals in Toronto will be able to determine what exactly is in your water. In addition, our water analysis will help determine your home’s residential water hardness level. Our reverse osmosis Toronto technicians will engineer a specific water filtration solution tailored to your residential or commercial / industrial needs. If you have any questions regarding the water treatment products and services we offer, including our reverse osmosis (RO) systems, please contact us today!

          Contact Us


          • Ministry of the Environment Ontario
            Walkerton Clean Water Centre
            Ontario Ground Water Association