Seven models of Haier refrigerators have earned the Department of Energy's Energy Star certification for energy efficiency as of 2015. Five of these models are from Haier's compact refrigerator line, while two are top-freezer models.
The two Haier top-freezer models with Energy Star certification are the HC18TS78 and HC21TS78. The HC18TS78 has 18 cubic feet of interior capacity and is estimated to consume 368 kilowatt-hours of electricity per year, while the HC21TS78 has 21 cubic feet of capacity and uses 389 killowatt-hours per year. All five Haier compact refrigerators certified by Energy Star are part of the HCR17 line of refrigerators. These refrigerators have 1.7 cubic feet of interior capacity and consume an estimated 200 kilowatt-hours of electricity per year.