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Water Heating Publications

Water Heating Design Guide
The hot water system design guide for commercial kitchens provides key information to restaurant designers and engineers to achieve superior performance and energy efficiency with their systems.

Water Heater Retro-Commissioning Report
Best-practice installation measures applied to existing water heating systems.

Energy-Efficiency Potential of Hot Water Heating Systems in a Casual Dining Restaurant
This emerging technology field monitoring study characterizes the hot water demand and associated energy use of standard, high-efficiency and instantaneous water heaters in a full-service, casual dining restaurant.

Energy-Efficiency Potential of Hot Water Heating Systems in a Quick-Service Restaurant
This emerging technology field monitoring study characterizes the hot water demand and associated energy use of high efficiency tank, standard efficiency tankless and high efficiency tankless water heaters in a QSR application.

Refrigerant Heat Recovery System - Learning Center Dining Facility
This report documents the performance of a refrigerant heat recovery system (RHRS). The RHRS is connected to walk-in refrigerator and freezer refrigeration systems typical of those installed in foodservice establishments.

Condensing Hybrid Water Heater Performance Field Evaluation Report
This field monitoring study characterizes the hot water demand and associated energy use of a standard efficiency tank and high efficiency hybrid water heater in a QSR application.

Energy Efficiency Potential of Gas-Fired Commercial Water Heating Equipment in Foodservice Facilities
The FSTC performed a technology evaluation of gas-fired water heaters for the California Energy Commission’s Public Interest Energy Research Program. This project conducted research to improve the efficiency of water heaters and distribution systems in foodservice facilities.