The 524J and 569J/575J series indoor air handlers and outdoor units provide a wide variety of options for your HVAC application needs. These units are designed for long dependable operation whether it’s a rooftop or on-the-ground installation. All Condensing Units and Fan Coils use environmentally sound Puron® refrigerant. Together, they create a reliable split system that provides easy solutions to a wide range of commercial HVAC needs.