Rinnai CHS Series Commercial Hybrid Water Heating System

The Rinnai CHS Series Demand Duo H-Series is a high-efficiency commercial hybrid water heating system engineered for reliable, high-volume hot water delivery in demanding commercial applications. Available in 199,000 BTU (CHS199100HCXiN) and 398,000 BTU (CHS398100HCXiN) models, both combine a tankless heater with a 119-gallon storage tank and up to 0.98 UEF efficiency.

Built for commercial-grade performance, the CHS Series supports WiFi connectivity and recirculation for remote monitoring and rapid hot water delivery throughout large facilities. Its hybrid design ensures consistent supply during peak demand while significantly reducing operating costs versus traditional storage-only systems.

Ideal for hotels, multi-family buildings, hospitals, restaurants, and commercial facilities requiring ultra-high-capacity hybrid hot water heating.