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
The KoolMore KM-CTCO220-23 and the Avantco CO-28 are evenly matched, rated 3.6 and 3.6. The KoolMore KM-CTCO220-23 leads on features. The Avantco CO-28 wins on top temperature and value. The Avantco CO-28 costs $208.50 less ($548.49 vs $756.99).
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.
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
Which should you buy?
- Choose the KoolMore KM-CTCO220-23 for features (double-pane door vs none of the scored features).
- Choose the Avantco CO-28 for top temperature (up to 550 F vs up to 500 F) and value ($274 per full-size pan vs $378 per full-size pan).
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 | KoolMore KM-CTCO220-23 | Avantco CO-28 |
|---|---|---|
| Overall rating | 3.6/5 | 3.6/5 |
| 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 | 54 2.8 kW |
| Top temperature 10% | 67 up to 500 F | 100 up to 550 F |
| Features 15% | 15 double-pane door | 0 none of the scored features |
| Listing 15% | 40 safety listed | 40 safety listed |
| Warranty 10% | 33 1-year parts and labor | 0 warranty not published, scored as none |
| Value 10% | 80 $378 per full-size pan | 96 $274 per full-size pan |
Specifications
| KoolMore KM-CTCO220-23 | Avantco CO-28 | |
|---|---|---|
| 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 | 2.3 cu ft |
| Heating | ||
| Fuel | Electric | Electric |
| Heating power | 2.8 kW | 2.8 kW |
| Temperature range | 150 to 500 F | 150 to 550 F |
| Controls | ||
| Controls | Manual | Manual |
| Double-pane door | Yes | - |
| Electrical | ||
| Voltage | 208/240 V | 208/240 V |
| Plug | - | NEMA 6-20P |
| Build | ||
| Outside dimensions | 22.8 x 21.7 x 20.1 in (W x D x H) | - |
| Weight | 67 lb | - |
| Certifications | ETL | ETL, CE |
| Parts and labor warranty | 1 year | - |