Waring WCO500X
A half-size, 120 V countertop convection oven from a long-standing commercial brand, for cafes and small kitchens baking a few trays at a time.
Amazon $859$859
4 half-size pans1.7 kW
3.6/5
A roomy, inexpensive 208/240 V half-size oven for small kitchens that already have the circuit and want faster recovery than a 120 V model.
- 4 half-size pansCapacity
- 2.8 kWPower
- 150 to 550 FTemperature
- 208/240 V, NEMA 6-20PSupply
Check price at Amazon$548.49
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Taller 2.3 cu ft cavity fits four half-size pans with room for rising bread
- 2,800 W on 240 V and a 550 F top setting for fast recovery
- Low price for a 208/240 V half-size oven
Cons
- Needs a 208/240 V, 20 A circuit with a NEMA 6-20 receptacle
- No published sanitation listing or warranty term
The Avantco CO family
Every Avantco CO model we rank, smallest first. Ratings compare each against its own oven type.
| Model | Capacity | Rating | Price |
|---|---|---|---|
| Avantco CO-14 | 3 quarter-size pans | 2.5/5 | $339 |
| Avantco CO-16 | 4 half-size pans | 3.3/5 | $509 |
| Avantco CO-28 (this one) | 4 half-size pans | 3.6/5 | $548.49 |
How it scores
The rating comes from 7 measured or published factors, each scored 0-100 against fixed reference points for its oven type. How we rank explains each one.
Specifications
| Model number | CO-28 |
|---|---|
| Capacity | |
| Pan capacity | 4 half-size pans |
| Full-size pan equivalents | 2 |
| Racks included | 4 |
| Cavity capacity | 2.3 cu ft |
| Heating | |
| Fuel | Electric |
| Heating power | 2.8 kW |
| Temperature range | 150 to 550 F |
| Controls | |
| Controls | Manual |
| Electrical | |
| Voltage | 208/240 V |
| Plug | NEMA 6-20P |
| Build | |
| Certifications | ETL, CE |
Alternatives in this oven type
KoolMore KM-CTCO220-23
A taller 208/240 V half-size oven for small bakeries and cafes that want room for rising dough and faster heat than a 120 V model.
Amazon $756.99$756.99
4 half-size pans2.8 kW500 F
Moffat Turbofan E23M3
A heavy-built half-size oven with a reversing fan, for cafes and bakeries that want even baking from a small footprint.
Amazon $2,200$2,200
3 half-size pans2.8 kW500 F
Compare
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