Kamado or ordinary barbecue: what are you actually buying?

A kettle barbecue has a thin steel wall. It heats fast, cools just as fast, and gives heat away to its surroundings — on a windy evening you feel that immediately in the temperature inside.

A kamado has a ceramic wall a few centimetres thick that absorbs heat and gives it back. That makes it slow in both directions: it takes longer to come up to temperature, and afterwards it stays where you set it.

Everything that follows — the fuel use, the temperature range, the winter cooking — comes out of that single difference.

Hold low temperatures for hours. A hundred and ten degrees for twelve hours, with no topping up and no adjusting every half hour. A kettle can manage it with effort and a water pan, but it occupies your whole day.

Run high with the lid closed. Three to four hundred degrees for pizza and for searing a thick steak, with the heat arriving from every side rather than only from below.

Use little charcoal. Because the wall insulates and the vents seal, a kamado burns noticeably less charcoal than an open barbecue — and what is left afterwards can be snuffed by closing the vents and reused.

Cook out of season. Five degrees and wind barely register on a kamado. On a thin-walled barbecue that is the difference between cooking and not cooking.

Being ready fast. A kettle is up to temperature in fifteen minutes, a kamado wants twenty to thirty. For a spontaneous weeknight that counts.

Correcting fast. Too hot? On a kettle you lift the lid and the problem is gone in minutes. A kamado cools slowly, and that is exactly the flip side of the inertia that serves you so well elsewhere.

Being portable. You pick a kettle up. A kamado in the larger sizes weighs between sixty and well over a hundred kilos and only moves on a wheeled stand, and preferably not even then.

Space per euro. A fifty-seven-centimetre kettle costs a fraction of a kamado with the same grill area. If you regularly cook for large groups at moderate temperatures, that is a real argument.

The purchase prices differ sharply, but it does not end there. Ceramic does not rust, and most brands give a long warranty on the ceramic part — often decades or a lifetime. Thin steel does rust through, and a kettle left outdoors is due for replacement after five to ten years.

Against that, kamado accessories cost more: a deflector, a pizza stone and a decent cover add up, and many models do not include a stand.

Charcoal is the line that runs the other way. A kamado uses noticeably less of it, and with regular use that genuinely shows.

Count how often in the past year you cooked something that took more than two hours. Never? Then you are buying a kamado for the plans you have, not the use you have — which is allowed, but know that is what you are doing.

Count as well how often you cooked between October and March. Anyone who does not is leaving one of the biggest advantages on the table.

And be honest about warm-up time. A kamado rewards whoever starts an hour ahead. Anyone who routinely decides at six that dinner is at half past will get more pleasure out of something faster.

You do not have to choose between a hundred euros and a large kamado. The compact and medium sizes cost substantially less than the large ones and do the same things: the same temperatures, the same techniques, just less at once.

For two to four people a medium is comfortably enough in practice, and a compact covers two plus the occasional visitor. The size you need follows from the largest meal you actually cook, not the largest you can imagine.

Plenty of people buy one size too big and then burn more charcoal than they need every weeknight.