Commercial Microwave Buying Guide: Power, Flatbed vs Turntable and Grill Models

Quick answerA commercial microwave differs from a domestic one in build and controls: stronger door hinges and cavity, programmable buttons so every portion gets the same time, and a design that handles repeated use through service. For reheating portions in a café or takeaway, a programmable 1000W flatbed model is the workhorse. If you also want to brown and crisp, a combination microwave with grill adds a finish a plain microwave can't.

The microwave is the most-used appliance in many small kitchens, and a domestic one rarely survives a year of commercial use. Here's what to look for, and which type suits your menu.

Commercial vs domestic microwaves

A domestic microwave is designed for a few short uses a day. In a café it may run dozens of cycles an hour, with the door opened and slammed each time. Commercial models are built for that duty: tougher doors and hinges, stronger cavities and simple, repeatable controls. Many manufacturers also exclude commercial use from domestic warranties, so a cheap home microwave can be a false economy.

The specs that matter

  • Output power (watts). Higher power heats faster. 1000W is the common commercial baseline; higher outputs suit busier kitchens.
  • Flatbed vs turntable. A flatbed has no rotating plate to break, chip or misalign, takes square containers, and is quicker to wipe clean.
  • Programmable buttons. Save your most-used times once, and anyone on shift gets the same result from one button press.
  • Capacity. 25 litres takes a dinner plate or standard container; 38 litres takes larger plates and dishes.
  • Grill or combination functions. A grill adds browning and crisping to toppings, gratins and pastries.

Compare Keloo's range

Model Capacity Output Key feature Best for Price
Programmable Flatbed 25L 25L 1000W Flatbed, programmable Fast, consistent reheating £166.99
Microwave with Grill 38L 38L 1500W Grill function, digital Reheat plus browning £159.99

Prices correct at time of writing.

Getting consistent results

  • Standardise portions and containers. The same weight in the same container heats the same way. Then programme the button.
  • Stir or rest. Microwaves heat unevenly. Stir halfway, or allow a short standing time, then probe the thickest part.
  • Reheat until piping hot. Food must be thoroughly reheated before serving or hot holding. Check with a probe thermometer and follow your food safety management system.
  • Keep the cavity clean. Food splashes absorb energy, slow heating and can damage the cavity over time. Wipe down daily.
  • Never run it empty. Running without food can damage the magnetron.

Frequently asked questions

Can I use a domestic microwave in a commercial kitchen?

You can, but domestic models aren't designed for constant use and many warranties exclude commercial use. A commercial microwave is built for repeated cycles and gives programmable, repeatable results.

What wattage microwave do I need for a café?

1000W is a solid baseline for reheating portions. Busier kitchens or larger portions benefit from higher outputs.

What is a flatbed microwave?

A microwave with no turntable. Energy is distributed from below the floor of the cavity, so square containers fit and there is no glass plate to break or clean.

Is a microwave with grill worth it?

If you serve anything that should be browned or crisp, such as melts, gratins and pastries, yes. A plain microwave leaves them pale and soft.

Can I use metal containers in a commercial microwave?

Not unless the manufacturer specifically allows it. Use microwave-safe containers and follow the manual.

Compare commercial microwaves

Every Keloo microwave comes with a 12-month warranty and UK-based support.

Shop Commercial Microwaves

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