Proudly serving our community since 1999. Fondy Heating and Air Conditioning is dedicated to providing the best possible solution for your home or business. You can count on us to provide you with a system and solution that fits your unique needs and since we have installed many systems in this area, we have earned a reputation for doing the job right the first time. We serve the following communities: Fond du Lac, Omro, Pickett, Rosendale, Springvale, Brandon, Waupun, Oshkosh, Van Dyne, Mayville, Oakfield, Empire, Eden, Calumet.