The Wittern Group, Inc. vending machine, ENERGY STAR certified
The Wittern Group, Inc. 3659
500 items class b vending machine.
Vendible capacity
500 items
Daily energy use
2.76 kWh/day
Door
Closed Front
Refrigerant
R-290 (propane)
Of 11 certified class b vending machines, 2 have a lower daily energy use than the 3659 (2.76 kWh/day).
At 2.76 kWh/day it uses about 1,007 kWh a year, roughly $131 at 13¢/kWh.
- Maker
- The Wittern Group, Inc.
- Model
- 3659
- Type
- Class B
- Door
- Closed Front
- Use designation
- Indoor Only
- Vendible capacity
- 500 items
- Daily energy use
- 2.76 kWh/day
- Refrigerated volume
- 20.8 cu ft
- Refrigerant
- R-290 (propane)
- Rebuilt machine
- No
- On the market since
- Oct 2025
- ENERGY STAR certified
- 2 Feb 2026
Source: ENERGY STAR certified vending machines dataset, US EPA, record 4529084, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the 3659
Certified vending machines from other makers, same color class, within 20% of its speed.
| Model | Type | Vendible capacity | Daily energy use |
|---|---|---|---|
| Sanden Vendo America Inc 621-HC | Class B | 544 items | 2.66 kWh/day |
The Wittern Group, Inc.
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