In the catering business, it’s all part of the daily routine: the restaurant is incredibly busy, tables are rammed full, and the buzz of conversation fills the air. Waiters rush back and forth, taking orders and serving dishes. To ensure that the food is always as fresh and crunchy as possible when served, it must be kept perfectly chilled.
Refrigerating appliances must be able to maintain internal temperatures, especially when things become stressful and the refrigerator doors in the kitchen are being opened and closed frequently. They are usually in operation around the clock, meaning that energy consumption is an important cost factor. Businesses can save significant sums of money by using the right fans in their appliances.
Traditional and innovative: Refrigeration for the gastronomy sector
Swedish refrigeration technology manufacturer Haglund Industri has been in business for more than 150 years. What began with the production of sheet metal products by hand developed into the production of refrigerating appliances for the catering sector in the 1950s.
Their wide product range now encompasses everything from standard refrigerators, refrigerated display cases and freezer cabinets to blast chillers and customized high-end wine displays. Ever since, Haglund Industri has been characterized by high quality and innovative solutions. The family-run company is now in its fifth generation, produces locally in Gällstad in Sweden, and employs 150 people.
“We have always tried to push the boundaries of technology. This is also the reason why we chose ebm-papst as a partner. Like us, they are at the forefront when it comes to the technological development of their products,” says CEO Johan Haglund.
The Swedish company has been primarily using EC-fans with so-called energy-saving motors (ESM) for several years now. “When we started converting our products to the lowest possible energy consumption, ESM fans contributed significantly,” says Martin Sahlman, Head of Sales and Marketing at Haglund Industri.
Why Haglund relies on fans with ESM motors
Fans with ESM motors are not only particularly compact and durable, but are also characterized in particular by their high energy efficiency. Compared to normal shaded-pole motors, they achieve more than three times the motor efficiency. Thanks to their low heat loss and a life expectancy of more than 40,000 hours, they are optimized for permanent operation in refrigeration cabinets. And because the plastic rotor of the ESM motor is optimized in terms of flow technology, it is also particularly quiet.
Focus on quality – including fans
Since then, Haglund Industri’s focus has been on developing products that are both high tech and high quality. “As a German quality brand that is known not only for its durability but also for its good energy efficiency, ebm-papst has proven to be a success story for us,” says Sahlman. The two companies have been working together for more than 20 years now and are continuing to develop together.
“Thanks to the EC fans, we were able to reduce their energy consumption in our refrigerators and at the refrigerated counters by 80 percent compared to the previous solution.”
John Haglund, CEO at Haglund Industri
Haglund Industri’s goal is to reduce the energy consumption of its products even further. “Thanks to the EC fans, we were able to reduce their energy consumption in our refrigerators and at the refrigerated counters by 80 percent compared to the previous solution, for example,” says Johan Haglund with satisfaction. The company is planning to reduce energy consumption by another 35 percent for its next generation of products.
Cool-down thanks to convection
Refrigerators use a closed refrigerant circuit to dissipate heat from the interior, resulting in a lower temperature in the cooling chamber. With its new BRIS refrigerator range, Haglund Industri uses the physical laws of convection in addition to the thermodynamic cooling principle of a refrigerator with the help of the Monsun-technology it has developed.
The BRIS utilize the fact that cold air is heavier than warm air. They guide the air from the floor through a channel in the back of the cabinet to the condenser. This means that the coldest ambient air is always used. In combination with the efficient EC fans, this results in optimum energy efficiency, a low noise level and less wear and tear compared to conventional solutions where the warm ceiling air is circulated at the top.
Another advantage of this technology is that several cabinets can be placed next to each other in a confined space without overheating and still achieve excellent cooling performance. “The reduction in energy consumption and the low noise level would not be possible without the fans from ebm-papst,” emphasizes Johan Haglund.
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