Marathon MCF50W-1vsSub-Zero ID-30FI
Side-by-side freezer comparison
Marathon MCF50W-1
Capacity
4.9cu ft
Annual Energy
184kWh/yr
Better Than Standard
15%
Type
Compact
Sub-Zero ID-30FI
Capacity
5.1cu ft
Annual Energy
399kWh/yr
Better Than Standard
10%
Type
Compact
Key differences
Marathon MCF50W-1 is 54% more efficient at 184 kWh/yr versus 399 kWh/yr for the Sub-Zero ID-30FI. The Sub-Zero ID-30FI is larger at 5.1 cu ft versus 4.9 cu ft. Overall, the Sub-Zero ID-30FI sits higher in the category, ranking above 15% of certified residential freezers.
Capacity
| Spec | Marathon | Sub-Zero |
|---|---|---|
| Total Volume(cu ft) | 4.9 | 5.1 |
| Adjusted Volume(cu ft) | 8.6 | 9 |
Energy
| Spec | Marathon | Sub-Zero |
|---|---|---|
| Annual Energy Use(kWh/yr) | 184 | 399 |
| US Federal Standard(kWh/yr) | 216 | 443 |
| Better Than Standard(%) | 15 | 10 |
| Most Efficient | No | No |
Configuration
| Spec | Marathon | Sub-Zero |
|---|---|---|
| Type | Compact | Compact |
| Product Class | 18 - Compact chest freezers | 17 - Compact upright freezers with automatic defrost |
| Defrost Type | Manual | Automatic |
| Compact | Yes | Yes |
| Built In | No | No |
| Ice Maker | No | No |