About Guthrie & Frey

Local, family-owned Guthrie & Frey Inc. was founded in 1974 and expanded in 1995 to serve Waukesha County in southeastern Wisconsin, as well as Jefferson, Washington and Walworth counties.

Today, the company is split into two vital divisions—the parent company well pumps side and the water filtration and conditioning side, run by son Robert Frey and his wife Susan Frey. Guthrie & Frey Water Conditioning is headquartered in Hartland. Due to company growth, a 2nd full service location in Mequon was recently opened, to offer more complete service and products to customers in Ozaukee County and the north shore area.

Experience

Owner Rob Frey is a Certified Water Specialist Level VI, one of the highest levels of certification in the Waukesha County area. Additionally, all Guthrie & Frey technicians are Contracted Appliance Plumbers, among the most highly qualified trades people working in the plumbing industry. All of our Plumbers take part in compulsory continuing education programs each year. They also adhere to stringent regulations which ensure that customer satisfaction remains a priority.

Innovation

We believe that our next age of exploration will be an exciting and adventurous time, with Guthrie & Frey involved in acquiring new knowledge about innovations in water conditioning. Our affiliation with the Water Quality Association allows us to focus on offering the best knowledge of water quality issues, new technology and solutions. Going forward, we will continue to make a clear difference in the water conditioning industry.

Why Choose us?

There are many reasons to choose Guthrie & Frey for your water conditioning needs, including:

  • 5-year warranty on all parts & on all labor. Lifetime tank warranty. Ask for details.
  • 3 months rent free on all rental and rent-to-own agreements.
  • One year interest free rent-to-own available on all equipment.
  • Rental rates will never be raised.
  • Free installation (inquire for details).
  • Everyday competitive pricing.
  • Automatic salt delivery program.
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A Service

Guthrie & Frey Water Conditioning provides complete whole house water filtration systems for our customers in the following communities in the Milwaukee area including Waukesha County, also Brookfield, Elm Grove, Delafield, Eagle, Genesee, Lisbon, Menomonee Falls, Merton, Hartland, Mukwonago, Muskego, New Berlin, Oconomowoc, Ottawa, Pewaukee, Summit, Vernon, Waukesha, Sussex, Wales. Ozaukee County including Belgium, Cedarburg, Fredonia, Saukville, Port Washington, Mequon, Bayside & Thiensville. Washington County including Hartford, West Bend, Addison, Erin, Germantown, Jackson, Kewaskum, Polk, Jackson, Richfield, Slinger. Milwaukee County including Bayshore & River Hills. Racine County, Sturtevant & Walworth County including East Troy & Richmond. We are a core dealer selling all product lines of Hellenbrand Water Softeners, Iron Curtain Systems, and Reverse Osmosis Drinking Water Systems. We also sell Water Right products.