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Published | Updated Oct 3, 2026
The HotKing KATO-28A1 is a French-door air fryer toaster oven with dual-zone cooking — it brings two-zone SYNC timing to a roomy 28-Qt oven cavity that fits a 10-inch pizza or a ~5 lb chicken. With 10 presets (including pizza, rotisserie, and dehydrate), heat up to 500°F, and PFAS-free stainless construction, it's the pick when you want large-item capacity plus two-zone control. If you want a smaller footprint and fully sealed baskets, a two-basket model like the Ninja DZ401 is a better fit. For other oven combos, see our air fryer toaster oven combos guide.
Best for: Cooks who want to air fry and handle large items — pizzas, whole chickens, rotisserie, sheet-pan meals — while still running two zones. Buyers who prefer stainless, coating-free interiors. Anyone replacing both a toaster oven and an air fryer with one appliance.
Skip it if: Counter space is tight or you want the fastest preheat and fully sealed baskets. A two-basket dual like the Ninja DZ401 (10 Qt) or the stacked Dreame DS50 saves space.
| Feature | HotKing KATO-28A1 | Ninja DZ401 (2-basket) |
|---|---|---|
| Format | French-door oven | Two sealed baskets |
| Capacity | 28 Qt cavity | 10 Qt (2x5) |
| Fits a 10" pizza / whole chicken | ✔ | ✘ |
| Max temperature | 500°F | 450°F |
| Rotisserie | ✔ | ✘ |
| Two-zone SYNC | ✔ | ✔ Smart Finish |
| Footprint | Large | Compact |
The KATO-28A1 competes less with two-basket fryers and more with other large air fryer toaster oven combos — but its dual-zone SYNC sets it apart from single-cavity ovens. If you don't need to cook pizzas or whole chickens, a compact two-basket like the Ninja DZ401 or the stacked Dreame DS50 will save counter space while still giving you two zones.
It's a countertop air fryer toaster oven with dual-zone temperature control — its interior can run two zones at different temperatures at once and sync them to finish together. It combines the large single cavity of an oven with the two-zone cooking of a dual-basket air fryer.
With 28 quarts and a listed interior of about 11.5" D x 14" W x 7.8" H, it fits a 10-inch pizza or a roughly 5 lb chicken — much roomier than two-basket dual air fryers for large or tall items.
Ten presets: air fry, bake, broil, toast, roast, dehydrate, reheat, pizza, fries, and rotisserie, with heat up to 500°F. The high ceiling makes it strong for pizza and roasting where many air fryers run cooler.
Yes — it's listed as PFAS, PFOA, and BPA-free with stainless steel construction. Shoppers who want to avoid traditional nonstick coatings often prefer a stainless air fryer oven like this one.
Choose a dual-zone oven like the KATO-28A1 for large or tall items (pizza, whole chicken, rotisserie) while still running two zones. Choose a two-basket model like the Ninja DZ401 for fully sealed baskets, faster preheat, and a smaller footprint. The oven trades counter space for versatility and capacity.
Ninja DZ401 10-Qt
Compact two-basket
Emeril 26-Qt Oven
Large oven combo
Elite Gourmet 11-Qt
PFAS-free divider
Dreame DS50 10-Qt
Stacked design
Oven Combos Guide
Compare oven combos
See all dual basket air fryers compared →
Amazon Associate Disclosure: As an Amazon Associate, I earn from qualifying purchases. This review is based on manufacturer specifications and publicly available owner feedback, not independent hands-on testing. Availability is subject to change.