Cool Expert has specialized in refrigeration technology since the 1970s. Early on, the company recognized that conventional refrigerants were harmful to the environment - and focused on alternatives. "We have invested a lot in research and today rely exclusively on environmentally neutral refrigerants made of water, propane and CO2," explains company owner Friedhelm Meyer. He developed the "blue cool concept," for which the company already received an award in 2018, specifically for grocery stores, organic food stores and gas stations. Natural refrigerants are combined with highly efficient technical components, such as the compact chillers "CHANGE IT",which Cool Expert also manufactures. This results in a balance with significantly less energy consumption and low CO2 emissions than conventional systems. It is now already in use in 20 stores. "It is close to our hearts to reconcile refrigeration technology and environmental protection," says Friedhelm Meyer.