Skip to main content
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...

Default image of ORNL entry sign

Oak Ridge National Laboratory and Oklahoma's ClimateMaster Inc. have collaborated to develop a ground source heat pump that can reduce a homeowner's electric bill by up to 60 percent. The Trilogy 40 is the first geothermal heat pump certified by the Air Conditioning, Heating and Refrigeration ...

Default image of ORNL entry sign

Consumers and the environment could ultimately be the beneficiaries of a high-efficiency CO2 heat pump water heater concept being researched by General Electric and Oak Ridge National Laboratory. Through a cooperative research and development agreement, GE and ORNL are designing a prototype resident...