
Breville BOV845BSS
Score: 82/100
KitchenAid Dual Convection Countertop Oven
Score: 86/100Rankings

The KitchenAid KCO255 is a premium dual-convection countertop oven with a built-in temperature probe, delivering fast, precise cooking and a rich set of digital features. Its larger size and higher price make it less ideal for very small kitchens or budget-focused buyers. Best suited for small families seeking restaurant-grade performance on the countertop.

The Breville BOV845BSS Smart Oven Pro is a 1800-watt convection countertop oven with Element IQ technology and ten preset functions, offering fast, even cooking for family-size meals. Its sizable footprint and weight, plus a hot exterior, limit suitability for cramped kitchens. Ideal for home cooks who need a versatile, full-oven replacement and have adequate counter space.
| Attribute | ![]() | ![]() |
|---|---|---|
1,800 Wbest | 1,800 Wbest | |
— | 66 °Cbest | |
249 °Cbest | 232 °C | |
10 | 12best | |
4best | — | |
1 yearsbest | 1 yearsbest | |
| ↓ lower better | 22.8 lb | 20.3 lbbest |
18.5 inbest | 18.5 inbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power & Performance(2) | ||
Temperature Range (°C) | 120-480°F °C | 66 °C |
Maximum Temperature (°C) | 249 °C | 232 °C |
Features(1) | ||
Number of Cooking Functions | 10 | 12 |
Display(1) | ||
Display Type | LCD | Digital |
Build & Design(3) | ||
Weight (lb) | 22.8 lb | 20.3 lb |
Height (in) | 11.0 in | 13 in |
Depth (in) | 15.75 in | 16.4 in |

Products in the top-left offer the best value (high score, low price).

Professional reviewers commend the Smart Oven Pro for its Element IQ® technology that ensures even heat distribution and its convection system that cuts cooking time by roughly 30%. They highlight the 10 smart presets and rapid 1800-watt preheat as standout features that make it perform like a full-size oven, while noting its sizable footprint and lack of a cool-touch exterior as drawbacks.
Everyday users praise the oven for delivering consistent, even results, especially for toast and pizza, and for its quick preheat and versatility that lets it serve as a full-oven replacement. Common complaints revolve around its large size and weight, occasional overheating on high settings, and the need to hand-wash some accessories despite dishwasher-safe claims.

“many call it a "full oven replacement"”

“Even toasting without hot spots”



Professional reviewers rate the KitchenAid Dual Convection Countertop Oven highly for its ease of cleaning, ease of use, and superior full-batch performance. Consumer Reports awards it perfect scores for cleaning and usability, while editors highlight the dual convection system and built-in probe as key factors delivering fast, even, and precise cooking results.
Everyday users consistently praise the oven for its even, fast cooking, spacious interior, accurate temperature probe, quiet operation, and premium feel. Common themes include its ability to replace a full oven for small meals, the convenience of quick preheat, and the attractive design, while recurring complaints focus on its bulky countertop footprint and the need to adjust cooking times due to its speed.