Marathon Freezers: energy use and running cost
The average model uses 401 kWh a year, which costs $84 a year at 21.0¢/kWh.
Most efficient models
| Model | kWh/year | Cost/year |
|---|---|---|
| Marathon MCF36W-1 | 167 | $35 |
| Marathon MCF35W-1 | 172 | $36 |
| Marathon MCF50W-1 | 184 | $39 |
| Marathon MCF51W-1 | 195 | $41 |
| Marathon MCF701GRD | 224 | $47 |
| Marathon MCF71W-1 | 224 | $47 |
| Marathon MUF65BLS | 289 | $61 |
| Marathon MUF80BLS | 305 | $64 |
| Marathon MUF80W | 305 | $64 |
| Marathon MFF212***** | 493 | $104 |
| Marathon MFF212BLS | 493 | $104 |
- Refrigerators
- Washing machines
- Dishwashers
- Tumble dryers
- Room air conditioners
- Dehumidifiers
- Water heaters
- Electric cooktops and ranges
- Televisions
- Computers
- Air purifiers
Source: ENERGY STAR (U.S. EPA) · 21.0¢/kWh (August 2026) · Methodology