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Oak Ridge National Laboratory
Although variable refrigerant flow heat pumps are known to have advantages, higher initial costs and difficulty in quantifying those benefits serve as deterrents to their widespread use. ORNL’s flexible research platform, however, provides a solution that enables researchers to chara...
Oak Ridge National Laboratory

A ground source heat pump installed at rural Cedarville High School in Arkansas through the American Recovery and Reinvestment Act has reduced energy use by 53 percent and carbon dioxide emissions by 52 percent, according to an Oak Ridge National Laboratory report. ORNL researchers X...

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Homeowners could see their electric bills reduced considerably with Oak Ridge National Laboratory's integrated heat pump. The unit, which combines water heating with heating and cooling, dehumidification and ventilation functions, can use 50 percent less energy than standard heat pumps and water hea...