Y02B10/00	7	Integration of renewable energy sources in buildings	CPCONLY	Y02B10/00		20
Y02B10/10	8	Photovoltaic [PV]	CPCONLY	Y02B10/10		43367
Y02B10/20	8	Solar thermal	CPCONLY	Y02B10/20		30334
Y02B10/30	8	Wind power	CPCONLY	Y02B10/30		8890
Y02B10/40	8	Geothermal heat-pumps	CPCONLY	Y02B10/40		4945
Y02B10/50	8	Hydropower in dwellings	CPCONLY	Y02B10/50		2219
Y02B10/70	8	Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies	CPCONLY	Y02B10/70		15325
Y02B20/00	7	Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps	CPCONLY	Y02B20/00		17384
Y02B20/30	8	Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]	CPCONLY	Y02B20/30		21550
Y02B20/40	8	Control techniques providing energy savings, e.g. smart controller or presence detection	CPCONLY	Y02B20/40		86351
Y02B20/72	8	in street lighting	CPCONLY	Y02B20/72		36698
Y02B30/00	7	Energy efficient heating, ventilation or air conditioning [HVAC]	CPCONLY	Y02B30/00		37527
Y02B30/12	8	Hot water central heating systems using heat pumps	CPCONLY	Y02B30/12		4477
Y02B30/13	8	Hot air central heating systems using heat pumps	CPCONLY	Y02B30/13		765
Y02B30/17	8	District heating	CPCONLY	Y02B30/17		1622
Y02B30/18	8	Domestic hot-water supply systems using recuperated or waste heat	CPCONLY	Y02B30/18		1503
Y02B30/52	8	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	CPCONLY	Y02B30/52		7507
Y02B30/54	8	Free-cooling systems	CPCONLY	Y02B30/54		6587
Y02B30/56	8	Heat recovery units	CPCONLY	Y02B30/56		9211
Y02B30/62	8	Absorption based systems	CPCONLY	Y02B30/62		11155
Y02B30/625	9	combined with heat or power generation [CHP], e.g. trigeneration	CPCONLY	Y02B30/625		1487
Y02B30/70	8	Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating	CPCONLY	Y02B30/70		66623
Y02B30/90	8	Passive houses; Double facade technology	CPCONLY	Y02B30/90		10919
Y02B40/00	7	Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers	CPCONLY	Y02B40/00		47871
Y02B40/18	8	using renewables, e.g. solar cooking stoves, furnaces or solar heating	CPCONLY	Y02B40/18		2878
Y02B50/00	7	Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies	CPCONLY	Y02B50/00		12035
Y02B70/00	7	Technologies for an efficient end-user side electric power management and consumption	CPCONLY	Y02B70/00		39
Y02B70/10	8	Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes	CPCONLY	Y02B70/10		46948
Y02B70/30	8	Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level	CPCONLY	Y02B70/30		18022
Y02B70/3225	9	Demand response systems, e.g. load shedding, peak shaving	CPCONLY	Y02B70/3225		8639
Y02B70/34	9	Smart metering supporting the carbon neutral operation of end-user applications in buildings	CPCONLY	Y02B70/34		152
Y02B80/00	7	Architectural or constructional elements improving the thermal performance of buildings	CPCONLY	Y02B80/00		2221
Y02B80/10	8	Insulation, e.g. vacuum or aerogel insulation	CPCONLY	Y02B80/10		4808
Y02B80/22	8	Glazing, e.g. vaccum glazing	CPCONLY	Y02B80/22		10309
Y02B80/32	8	Roof garden systems	CPCONLY	Y02B80/32		5840
Y02B90/00	7	Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation	CPCONLY	Y02B90/00		9
Y02B90/10	8	Applications of fuel cells in buildings	CPCONLY	Y02B90/10		2579
Y02B90/20	8	Smart grids as enabling technology in buildings sector (smart grids supporting the management or operation of end-user stationary applications in general, or like technologies with no associated climate change mitigation effect Y04S20/00)	CPCONLY	Y02B90/20		13573
