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The global buildings sector accounts for 30% of global final energy use, nearly three-quarters of which is used for space heating, hot water production and cooking. Nearly half of this was produced directly from fossil fuels. Most of the rest came from conventional electric equipment (for example electric resistance radiators and cookstoves) and commercial heat (e.g. district heating), around 85% of which was produced using fossil fuels in 2017. Overall, nearly 28% of global energy-related CO2 emissions result from energy use in buildings.
Hydrogen is very little used as a source of energy in the global buildings sector today, although various potential uses are now being trialled.
Hydrogen is very little used as a source of energy in the global buildings sector today, although various potential uses are now being trialled.
