Look for a model that clearly states both uncooked and cooked capacities; 20 cups uncooked yields about 40 cups cooked. A larger inner pot, like a 5‑qt or 7‑qt stainless steel pot, ensures you can handle big batches without overflow. Also verify the cooker’s ability to keep rice warm for many hours, which adds value for busy kitchens.

Commercial models such as the Aroma 7‑qt version feature heavy‑duty stainless steel lids, ETL approval, and reinforced non‑stick coatings designed for frequent use. Home‑focused models often include extra functions like sauté, slow‑cook, and multiple preset modes, but may have lighter construction. Choose commercial‑grade if you need durability for a restaurant or high‑volume household.

Stainless‑steel pots, like those on the Elite Gourmet ERC‑2020, are highly durable, resistant to scratches, and easy to clean, making them ideal for frequent cooking. Ceramic‑coated pots, such as Aroma’s CoreCoat, provide a naturally non‑stick surface and are free of PFOA/PFAS, which appeals to health‑conscious users. Both perform well, so decide based on cleaning preference and durability needs.

A steam tray lets you cook vegetables, fish, or dumplings simultaneously, maximizing efficiency and preserving nutrients. Many 20‑cup models, including the Aroma ARC‑860NGP and COMFEE', include stackable steam baskets for this purpose. If you plan to prepare complete meals in one appliance, a built‑in steamer adds significant convenience.

The keep‑warm function maintains rice at an optimal serving temperature for up to 12‑15 hours, preventing it from drying out or becoming soggy. This is especially useful for restaurants or families hosting gatherings where rice may need to sit out for extended periods. Look for models that offer automatic temperature control and a timer to avoid over‑cooking.

Multicookers like the Aroma 20‑Cup Slow Cook Rice Cooker provide 9‑12 preset modes, including sauté, slow‑cook, and even cake baking, offering versatility beyond plain rice. If you want one appliance to replace several kitchen tools, these extra functions add value. However, if you only need rice and steam, a simpler model may be more cost‑effective.

Key safety elements include ETL or UL certification for commercial use, overheating protection, and cool‑touch handles to prevent burns. Models such as the Aroma commercial cooker and COMFEE' include built‑in overheating safeguards and secure lid locks. Ensuring these features helps protect both the appliance and the user during long cooking cycles.