SoCalGas joins the California Energy Commission in the demonstration of a new ultra-efficient water heater, space cooler developed by SMTI

Restaurants use a lot of energy to not only prepare and cook food, but to cool kitchens, dining rooms, and other spaces. A new high efficiency, ultra-low emissions commercial water heating and space cooling unit, which begins field demonstrations at two Southern California restaurants this week, could dish out energy savings, lower operating costs, and reduce greenhouse gas emissions for foodservice and hospitality facility operators.

The new technology uses a thermally driven heat pump fueled by natural gas or propane to capture ambient energy, achieving a heating efficiency of 140 percent or greater. It is projected to reduce energy use by 30 to 50 percent compared to standard natural gas water heaters. The highly-efficient heat pump also provides space cooling simultaneously, which reduces the need for air conditioning and can help lessen electricity use.

Stone Mountain Technologies, Inc. (SMTI) developed the new heat pump by redesigning heat pump technology traditionally used for cooling and focusing it on heating with cost-effectiveness and scalability in mind. GTI is leading the demonstration, and AO Smith Corporation is also providing support. Project funding was awarded by the California Energy Commission and Southern California Gas Company (SoCalGas) research and development funds authorized by the California Public Utilities Commission.

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