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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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With water heating consuming about 17 percent of the energy for a typical household, it's a good place to start when cutting costs. ORNL's Building Technology Center is assisting in developing a heat pump water heater as a "drop-in" replacement for a conventional 50- or 80-gallon water heater. It fe...