Refrigerator Energy-Efficiency Index

Most efficient classes per cubic foot · lower is better

1. 1

   Freezerless and Single Door

   288 kWh/yr median · n = 274

   17.3kWh/yr per ft³
2. 2

   Top Freezer

   362 kWh/yr median · n = 707

   22.7kWh/yr per ft³
3. 3

   Side-by-Side

   644 kWh/yr median · n = 110

   27.1kWh/yr per ft³
4. 4

   Bottom Freezer

   553 kWh/yr median · n = 1,572

   27.2kWh/yr per ft³
5. 5

   Compact Cooler

   135 kWh/yr median · n = 112

   28.9kWh/yr per ft³

Types publish at n ≥ 30 certified models.