Model differences

Hamilton Beach 31390 vs 31220 vs 31466J: wide digital Air Fry or narrower toaster ovens?

Hamilton Beach's 31390, 31220 and 31466J all put Air Fry in a countertop oven, but they make different compromises. The 31390 is a wide digital oven with separate Air Fry and Convection settings and a larger set of published pan examples. The 31220 makes a smaller body and dedicated Toast and Dehydrate functions the priority. The 31466J uses manual dials and a six-function menu. Decide which cooking mode and counter boundary matter before comparing their “ways” or capacity claims.

Start with the counter rectangle

The 31390's listed body is 21 inches wide, 16.3 deep and 13.2 high. The 31220 is 15.1 inches wide, 15.4 deep and 12.71 high; the 31466J is 18.8 inches wide, 14.9 deep and 12 high. These are body measurements, not safe installation envelopes. Add room for the plug, door access, hot trays and the clearance rules in each exact manual. If 21 inches already exceeds the available width, the 31390's larger examples are irrelevant.

The product page lists the 31390 for a whole 5-pound chicken, two 12-inch pizzas, two pounds of fries or two 9-by-13 pans without handles. These are separate examples; the page does not state cubic-foot capacity. The 31220 lists six slices of toast and a 12-inch pizza, while the 31466J's product page gives an 8-pound poultry example and a 12-inch pizza. Don't turn these different examples into a universal capacity ranking: compare the particular pan or food you actually need, and measure handles and vertical clearance.

Air Fry is not the same choice as convection

On the 31390, Air Fry and Convection Bake have separate control positions. Its manual describes Convection as a fan-assisted oven mode and recommends reducing time or temperature from a Bake recipe. Air Fry has separate rack/basket instructions: use a single layer, keep food away from the elements, place the included pan below for drips, and turn or stir some foods. The 31220 also documents separate Air Fry and Convection functions, then adds a named Dehydrate cycle and four food-specific Air Fry presets. The 31466J's six published choices include Air Fry, Bake, Broil, Toast, Pizza and Warm, but its reviewed manual does not list a separate convection-bake control or Dehydrate cycle.

That distinction matters if you regularly roast or bake with fan circulation, dry foods for long periods, or just want an Air Fry preset for frozen snacks. A general “Air Fry” label does not establish a Dehydrate cycle, and airflow inside one mode does not establish a separate Convection setting. Check the exact mode list rather than counting recipe presets as extra cavities.

Toast has its own tradeoff

The 31220 and 31466J both list Toast among their named functions; the 31390 does not. Its manual says to use Broil when toasting bread, place it near the top element, check often and turn it to brown the other side. That gives the 31390 a way to toast, but not a dedicated Toast cycle or a published slice count. If Toast is a daily breakfast job, the 31220's six-slice reference or 31466J's Toast setting may be a more natural fit. If you want a lever-operated vertical slot, neither 31390 nor the flat-rack 31220/31466J is that design; see the 31156J slot-and-oven assessment instead.

One cavity is still one schedule

The 31390 includes two removable racks and four rack positions. Its manual describes placing two dishes on separate racks in one session, then switching their positions after roughly 65 percent of the selected cooking time. They still share the same cooking function, temperature and timer. The 31220's two positions and 31466J's rack supports are also not documented as separately controlled zones. If you need a roast to keep going while another dish finishes at a different temperature, choose a model whose instructions explicitly document independent zones; “dual level” or two racks alone do not meet that need.

Three useful starting points

• Choose the 31390 when you have the wide counter space and want Air Fry plus a distinct Convection mode in an oven with four rack positions. Accept the lack of a Toast preset and the shared schedule.
• Choose the 31220 when a 15.1-inch width, Dehydrate and named Toast are more useful. Its product page lists a narrower body and smaller individual capacity references than the 31390.
• Consider the 31466J when manual temperature/function/timer dials, a named Toast setting and its 18.8-inch body are priorities; do not treat its Air Fry fan as proof of a separately named Convection mode.

See the individual 31390 review, 31220 review and 31466J review for their mode-by-mode limitations and care notes. The comparison uses the exact 31390, 31220 and 31466J product pages with linked manufacturer guides. No prices, independent cooking measurements, reliability claims or ranking is implied.