Service My System We are proud to provide top-notch service on existing WaterFurnace equipment and have taken all necessary service classes provided by WaterFurnace. We have all the resources and know-how to ensure that your unit lasts as long as possible. We’re here to protect your investment. Our technicians are NATE certified to ensure proper diagnosis and repair of your geothermal system. Required Required Not a valid email Required Not a valid phone number Height in meters Keyboard Layout Preference Weight in Kilograms