Domestic air-conditioners are not widespread in Europe, but their electricity consumption is expected to more than double by 2020 and reach 75 TWh per year without energy saving measures - equal to the residential electricity consumption of Spain.
Different types of commercial refrigerators and freezers are available on the market today, such as beverage coolers, refrigerated vending machines, display cabinets in supermarkets, etc. Mostly used in supermarkets and grocery stores, they consume a substantial amount of energy: 85 TWh in the European Union in 2013 according to the European Commission, corresponding to 34 Mt CO2-eq.
Water pumps are used in commercial buildings for the flow of drinking water and water for general use, water used for agriculture, and water used in the preparation of food. Pumps are essential for the availability of water and whilst being a very complex system, hold significant potential for improvement.