The Cooper&Hunter CH-AL604HP24V-230VO ALTO Series is a HEAT PUMP outdoor unit engineered for performance, efficiency, and space‑saving installation, with 60,000 BTU. Built with high‑efficiency inverter technology and a side‑discharge design, ALTO reduces footprint requirements while delivering reliable cooling for residential and light‑commercial applications. Using eco‑friendly R454B refrigerant, the ALTO Series meets modern environmental standards while maintaining strong operational performance. As a 24V outdoor unit, ALTO is fully compatible with third‑party indoor units that support R454B refrigerant and 24V communication, offering flexible system design and integration across multiple project types.