UPDATED! Kitchener Residents: It has been reported that water heater companies are now contacting residents via telephone and door-to-door offering to upgrade tanks to a more energy efficient unit. These companies are NOT affiliated with Kitchener Utilities or the City of Kitchener. Please thoroughly review your options before making your decision and if you do decide to sign the contract, review the terms and conditions of the contract. Kitchener Utilities does not engage in door-to-door or telephone sales. And Kitchener Utilities offers the lowest rental water heater rates in Kitchener.