Avantco CO-28
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.
Amazon $548.49$548.49
The Avantco CO-28 is the better commercial convection oven overall, rated 3.6 to 3.1. The Avantco CO-28 leads on power and top temperature. The VEVOR 66L Half-Size Convection Oven wins on features. The Avantco CO-28 costs $11.41 less ($548.49 vs $559.90).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
VEVOR 66L Half-Size Convection Oven
A taller 120 V four-rack oven for bakers who need height for bread and roasts and do not need a commercial listing.
Amazon $559.90$559.90
Which should you buy?
- Choose the Avantco CO-28 for power (2.8 kW vs 1.8 kW) and top temperature (up to 550 F vs up to 500 F).
- Choose the VEVOR 66L Half-Size Convection Oven for features (double-pane door vs none of the scored features).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every quarter and half-size countertop commercial convection oven; a clear win is highlighted. How we rank explains each one.
| Factor weight | Avantco CO-28 | VEVOR 66L Half-Size Convection Oven |
|---|---|---|
| Overall rating | 3.6/5 | 3.1/5 |
| Capacity 25% | 100 4 half-size pans, 2 full-size pan equivalents | 100 4 half-size pans, 2 full-size pan equivalents |
| Power 15% | 54 2.8 kW | 15 1.8 kW |
| Top temperature 10% | 100 up to 550 F | 67 up to 500 F |
| Features 15% | 0 none of the scored features | 15 double-pane door |
| Listing 15% | 40 safety listed | 0 no listing published, scored as none |
| Warranty 10% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
| Value 10% | 96 $274 per full-size pan | 95 $280 per full-size pan |
Specifications
| Avantco CO-28 | VEVOR 66L Half-Size Convection Oven | |
|---|---|---|
| Capacity | ||
| Pan capacity | 4 half-size pans | 4 half-size pans |
| Full-size pan equivalents | 2 | 2 |
| Racks included | 4 | 4 |
| Cavity capacity | 2.3 cu ft | - |
| Inside dimensions | - | 18.5 x 15.4 x 14.2 in (W x D x H) |
| Interior | - | Stainless steel |
| Heating | ||
| Fuel | Electric | Electric |
| Heating power | 2.8 kW | 1.8 kW |
| Temperature range | 150 to 550 F | 150 to 500 F |
| Controls | ||
| Controls | Manual | Manual |
| Longest timer | - | 120 min |
| Double-pane door | - | Yes |
| Electrical | ||
| Voltage | 208/240 V | 120 V |
| Plug | NEMA 6-20P | NEMA 5-15P |
| Build | ||
| Outside dimensions | - | 22.8 x 21.7 x 19.7 in (W x D x H) |
| Certifications | ETL, CE | - |