Choosing a layout
A viewing window or another basket?
A viewing window and extra cooking room solve different problems. Decide whether you mainly want to check food without opening the drawer, make a bigger batch, or finish two different foods together.
What a viewing window can—and cannot—do
A window can help you see how food is browning without pulling out a hot basket. Philips's 2000 Series 4.2-liter NA220/00R0 and NA221/00R0 make that visibility part of a single-basket routine. The manual still calls for shaking or turning some foods, so a window does not eliminate checks, stirring or batch management. It simply lets you look in before deciding to open the drawer.
Do not read a window as a second cooking chamber. This Philips has one basket, one cooking area and one time-temperature setting at a time. If you need two foods to cook at different settings, an independently controlled dual basket is a different solution. The COSORI CAF-R901-AUS has two separate baskets and windows; its advantage is separate cooking, not just the ability to see inside.
Compare batch size with how you actually load food
The Philips is listed at 4.4 quarts (4.2 liters), but a volume figure does not tell you how many pieces will fit in one layer. Its manual gives concrete guide amounts, including up to 500 grams of fries and two to six drumsticks, with shaking or turning instructions for some batches. These are starting points. If you often cook a larger main dish or want less batch switching, the COSORI Pro LE is a five-quart single-drawer alternative, while the COSORI 13-quart oven changes the loading format to racks and a door-front cavity.
Keep the cleaning and control trade-offs visible
Philips says the pan and frying insert are dishwasher-safe, with a nonstick coating that calls for non-abrasive cleaning. The U.S. manual describes local panel operation and does not establish connected cooking control; the HomeID app is a recipe and instruction resource, not evidence that the appliance can be started by phone. That simplicity can be a benefit if you want a direct panel, but it will not satisfy a requirement for remote progress checks or two-zone synchronization.
Use the air-fryer finder to decide which requirement is essential. A window matters if you want to check browning with less drawer opening. A higher capacity minimum matters if your portions demand more space. Two baskets matter if different foods need their own settings. Those choices can point to different layouts; no one feature answers all three needs.