Energy efficient heating, ventilation or air conditioning [HVAC]

Child Classifications

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• Y02B 30/12 Hot water central heating systems using heat pumps
• Y02B 30/13 Hot air central heating systems using heat pumps
• Y02B 30/17 District heating
• Y02B 30/18 Domestic hot-water supply systems using recuperated or waste heat
• Y02B 30/52 Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
• Y02B 30/54 Free-cooling systems
• Y02B 30/56 Heat recovery units
• Y02B 30/62 Absorption based systems
• Y02B 30/70 Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
• Y02B 30/90 Passive houses; Double facade technology