Data through June 2026
Ranking · computed from certified data
The Cheapest Mini Fridges to Run
Certified compact refrigerators ranked by lowest annual electricity use.
The spread inside this top 20: 106–158 kWh/yr, or $19–$29 a year at the U.S. average rate. Ties are ordered alphabetically.
| # | Model | kWh/yr | $/yr (US avg) |
|---|---|---|---|
| 1 | DOMETIC C40S1most efficient | 106 | $19 |
| 2 | DOMETIC C40S2most efficient | 106 | $19 |
| 3 | Fisher & Paykel RS2435SBmost efficient | 106 | $19 |
| 4 | Liebherr UR3750most efficient | 115 | $21 |
| 5 | DOMETIC C60SFS CAREmost efficient | 124 | $23 |
| 6 | Liebherr UR3650most efficient | 125 | $23 |
| 7 | Liebherr URP3653most efficient | 125 | $23 |
| 8 | DOMETIC C60SBI CAREmost efficient | 126 | $23 |
| 9 | Fisher & Paykel RS2435SB*Tmost efficient | 137 | $25 |
| 10 | DOMETIC C60S1most efficient | 145 | $27 |
| 11 | DOMETIC C60S2most efficient | 145 | $27 |
| 12 | Fisher & Paykel RB36Smost efficient | 150 | $28 |
| 13 | Frigidaire EFR107-B-WHITEmost efficient | 158 | $29 |
| 14 | Frigidaire EFR107-WHITEmost efficient | 158 | $29 |
| 15 | Frigidaire EFR115-B-BLACKmost efficient | 158 | $29 |
| 16 | Frigidaire EFR115-B-REDmost efficient | 158 | $29 |
| 17 | Frigidaire EFR115-C-RED-COMmost efficient | 158 | $29 |
| 18 | Frigidaire EFR177-B-BLUEmost efficient | 158 | $29 |
| 19 | Frigidaire EFR177-B-REDmost efficient | 158 | $29 |
| 20 | Frigidaire EFR180most efficient | 158 | $29 |
How this list is built: every entry comes straight from the ENERGY STAR certified-product dataset for refrigerators (4,371 models), ordered by certified annual kWh. The certified annual kWh comes from the DOE test procedure, which measures continuous 24/7 operation at standardized temperatures — refrigerators never get a day off.