CASE STUDY DELHAIZE
Delhaize is one of Europe's most environmentally progressive retailers. Having reduced CO₂ emissions by 44% since 2008, converted all stores to LED lighting and committed to carbon neutrality, the Belgian supermarket group takes sustainability seriously at every level. When Delhaize opened a new supermarket in Denderleeuw, Flanders, it chose a CO₂ refrigeration system with heat recovery as its primary energy source. The challenge was to use the waste heat generated by that system to deliver comfortable, efficient heating and cooling throughout the store — at relatively low flow temperatures of 45°C to 50°C for heating and 7°C for cooling.
AIR CURTAIN SOLUTIONS
SOLUTION
Biddle's solution combined SR Comfort Air Curtains with Comfort Circle Cassette Units. The SR air curtains, integrate directly into the store's heat recovery system and create an effective climate barrier at the entrance — keeping warm air in during winter and hot, humid air out during summer. Biddle's combined technologies work together to continuously optimise air curtain performance, adjusting outlet temperature, airflow width and velocity in real time. Furthermore, Comfort Circle Cassette Units, installed discreetly within the suspended ceiling, deliver even, draught-free heating and cooling across the sales floor using the same recovered heat source.
Biddle's air curtains reduce the amount of warm air that escapes from the building and conditions incoming air before it enters, maintaining a constant, comfortable temperature inside the store while reducing energy consumption and heating costs.
BENEFITS
VARIANTS
Protects internal environment from atmospheric conditions Keeps out draughts, pollutants, insects, and fumes Control flexibility – manual, automatic, BMS integration Choice of RAL colours to match interior aesthetics
Biddle offer various air curtain options to suit a variety of applications within the retail environment. Doorflow and SR comfort air curtains operate in areas in which a threshold is impacted by the atmosphere. 2 IndAC and IsolAir industrial air curtains are suited to cold storage areas, where maintaining sub zero temperatures is critical. 2 2
RESULT The result is a complete, integrated climate system that supports Delhaize's sustainability goals without compromising on customer comfort — proof that an open door and an energy-efficient store can coexist perfectly.
RETAIL | AIR CURTAINS
RETAIL | INTRODUCTION
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