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Brooklyn — a camp stove that charges your phone off its own fire, and a business built so that campers in New York pay for cookstoves in Kenya.

Hamburg, Germany — a family company founded in 1949, now run by the third generation, whose whole reputation rests on a wax-and-methenamine tablet that burns for twelve minutes.
Esbit Compagnie GmbH is a Hamburg family business founded in 1949 and led today by brothers Philip and Robert Paap in the third generation. The product it is known for is a solid fuel tablet — no pump, no canister, no moving parts — and the company publishes burn times, energy content and storage guidance for it in plain numbers. Everything on this page about the fuel's chemistry is Esbit's own claim, quoted as such.
Every other cooking brand on this roster sells you a machine. Esbit sells you a tablet. The stove is a folded piece of steel that exists to hold the tablet at the right distance from the pot, and it is the tablet that has kept the company in business since the middle of the last century.
Esbit’s own about page states the record directly: “Die Esbit Compagnie GmbH wurde 1949 gegründet und ist ein Hamburger Familienunternehmen” — founded in 1949, a Hamburg family business — and “Die Brüder Philip und Robert Paap führen es in dritter Generation,” the brothers Philip and Robert Paap running it in the third generation. That is a short about page, and it is a specific one. Compare it with the number of outdoor brands that publish a mood instead.
Everything in this section is the manufacturer’s own claim, taken from Esbit’s solid fuel page, because fuel chemistry is exactly the place a gear site should not paraphrase.
The fuel “consists of a special mixture primarily of methenamine and wax.” Esbit publishes burn times by tablet size — 4 g: 5 min, 5 g: 7 min, 14 g: 12 min, 27 g: 15 min — and attaches its own qualifier, that these are “approx. information — depends on the stove and ambient conditions.” Energy content is given as approx. 28,400 kJ/kg. On shelf life the company says: “Solid fuel can last for many years if stored dry and properly. There is no specific expiration date.” It claims the fuel “burns cleanly and leaves hardly any residue” and produces “no visible smoke.”
Two things are worth noticing about that page. It states burn times with the variables named rather than as headline figures. And it declines to give a combustion temperature, which is a number resellers cite freely and the manufacturer does not publish here.
The safety documentation is not where a buyer would look. A solid fuel is a chemical product. The safety data sheet, the transport classification and the combustion-product detail are the pages that would settle every argument about storing tablets in a pack or flying with them, and none of that is on the consumer-facing fuel page. For a company this specific about burn times, the omission is conspicuous.
“Hardly any residue” is a claim about the fuel, not about your pot. Anyone who has cooked on tablets knows the underside of the pot afterward. The claim may be fair on its own terms; the user experience includes a black pot and a distinctive smell, and the marketing does not mention either.
A Hamburg company is not a German factory. Esbit identifies itself as a Hamburg family business and makes no line-wide manufacturing claim. Where the cookware, kettles and vacuum bottles are produced is not published, and this page will not extend a headquarters address across a catalog.
The fuel is slow and wind-hates it. Twelve minutes of burn is not twelve minutes of useful heat in a breeze. A tablet stove without a windscreen is a hand warmer.
One tablet, one commitment. You cannot turn it down, and you cannot easily put it out and save the rest. Canister and liquid-fuel stoves both offer control that this format structurally cannot.
Backup, not primary. The tablets weigh nothing, do not leak, do not depressurize, and sit in a lid pocket for years — which is the strongest case for them.
Emergency kits and vehicle stashes. “No specific expiration date” is a useful property in a bag nobody opens.
Ultralight solo trips with modest ambitions. Boil one cup, eat, move.
Not for: groups, real cooking, cold-weather melting of snow in volume, or anyone who needs to regulate the flame. Those are jobs for Optimus, Primus or the integrated systems from Jetboil.
The company says who it is in two sentences. A founding year, a city, a family, a generation — verifiable and unembroidered.
The fuel figures carry their own caveats. “Depends on the stove and ambient conditions” is the kind of sentence that predicts honesty elsewhere.
The US shelf keeps good company. In the States, Esbit appears alongside UCO and Morakniv under Industrial Revolution — a distributor relationship, not ownership, and worth knowing when you are working out who to call.
When the stove has to weigh nothing and still be there in three years, we reach for Esbit.
The nearest neighbors on the shelf — same categories first, same department after that.

Brooklyn — a camp stove that charges your phone off its own fire, and a business built so that campers in New York pay for cookstoves in Kenya.
The integrated canister cooking system — and the brand a public company kept when it decided to stop making tents.

A Stockholm stove name from 1899, now one of the brands the Swiss Katadyn Group assembled — with a brass stove still in the catalog that predates most of its competitors' companies.

Sweden, 1892 — the soot-free stove that lit a century of expeditions, now sharing a company with Silva and still assembling every burner itself.