Tested: the best (and worst) wine coolers for picnics and garden dining

I began this test a sceptic: at home I tend to return a bottle to the fridge between pours, and most coolers don’t actually lower temperature so much as help maintain it. That said, as picnic and alfresco season approaches, a proper cooler can stop warm wine from spoiling the moment.

With that in mind I spent a few weeks using a dozen different wine coolers on fridge-cold bottles to see which, if any, are worth the space they take up. The trial focused on efficacy, practicality and aesthetics. I measured a glass of wine straight from the fridge and again after one and two hours in each cooler, comparing that to a control bottle that warmed by 7C in two hours.

Wines tested were those I like served well chilled (roughly 8–10C); testing took place indoors in a kitchen at about 18C during a changeable mid‑April. Standouts included the Peugeot Equilibreur (best for hosting and overall): an elegant chrome-style bucket with four removable ice packs built into the walls that sometimes cooled wine by about 2C in the first hour.

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