Small kitchens, big energy bills: what foodvenience can learn from a prep-to-plate approach

For convenience retailers and foodservice operators, the question is no longer whether to serve fresh food, it is how efficiently they can produce it, in kitchens where space is tight and energy costs are rising, without letting waste eat into the margin.

That was the thinking behind the first Prep to Plate Journey event, held on 20 and 21 October at the Unox Experience Centre. Adande Refrigeration showed chefs, restaurateurs, design houses and consultants how refrigeration and cooking equipment can work together in even the tightest kitchen layouts. Sustainability kept coming up in conversation. For convenience operators, the point is the same: the greenest kitchen is usually the one that wastes the least, in energy and in food.

The hidden cost of opening the door

Refrigeration runs 24 hours a day, so it is one of the biggest energy users in any kitchen. In a busy foodvenience operation, it is also opened constantly, by staff grabbing ingredients for a lunchtime rush.

The problem is physics. Cold air is heavier than warm air, so when a conventional fridge door or drawer opens, the cold spills out and warm, humid air takes its place. The unit then has to recover that lost cold, and the temperature inside swings in the meantime. In a small, hot kitchen, that cycle repeats hundreds of times a day.

Holding the cold instead of fighting for it

Adande Refrigeration’s approach is to stop the cold escaping in the first place. Its drawers use an insulated container that holds the cold in even when the drawer is open, so less is lost and less energy is needed to make it up. In some cases, Adande units use up to 50% less energy than a competitor. Beefeater reported a 46% cut in energy costs after switching.

The numbers, in both measurements

For operators on both sides of the Atlantic, here is what each VCS2 drawer offers. It holds four 12″ x 20″ (1/1 GN) hotel pans up to 4″ (100mm) deep, which gives 3 cu. ft. (86 litres) of usable space. A single drawer takes up to 88 lb (40 kg) of food. Temperature is adjustable across the full range from -8°F to +59°F (-22°C to +15°C), so the same drawer can run as a freezer or a fridge. The refrigerant is hydrocarbon R600a.

What was on show

Three units were on display at the event, each aimed at a different space problem. The combo undercounter unit brings refrigeration right to the point of use. The compact VCC1 single drawer is just 450mm (about 18″) wide, which makes it suited to tight cooklines where a standard unit won’t fit. And the HCR1 Chef Base sits under a combi oven, giving chefs cold storage right beside the cooking, as a more sustainable choice for that position.

Visitors could see the units working, and talk to Adande specialists about fitting them into their own layouts.

Less waste means less energy wasted too

Energy is only half of the story. Every ingredient that ends up in the bin has already used energy to grow, transport and chill, so keeping food fresh for longer is one of the most effective sustainability measures a kitchen can make.

Adande drawers cool without fans, using low-velocity cooling, so food is less likely to dry out. Stable temperatures protect texture and shelf life, which means less dehydration and drip loss. The drawer format also shows the whole contents at once, so nothing gets forgotten at the back and quietly goes off.

Flexibility without extra equipment

Foodvenience menus change with the seasons, and so should the kitchen. Each Adande drawer works independently, so one can hold chilled salad prep at fridge temperature while the one below keeps frozen bake-off products at -18°C (0°F). Switch the roles as the menu changes, and one flexible unit replaces two single-purpose ones, saving floor space, purchase cost and the energy of running more equipment.

The takeaway

Sustainability in a small kitchen isn’t about big gestures. It’s about thousands of small losses, each time a door opens or an ingredient is forgotten, and designing them out. For convenience operators growing their foodservice, equipment that holds the cold is one of the simplest ways to cut energy bills and food waste at the same time.

To find out more about Adande Refrigeration’s drawers, visit adande.co.uk or adande.com for US readers.