The Regulation forms the basic legislative framework laying down the energy efficiency and safety requirements to be met by heating and cooling systems in buildings, with a view to meeting comfort and hygiene demands, during their design and sizing, construction, maintenance and use. It also specifies compliance procedures. (For more detail, see reference below.) IEA/IRENA Global Renewable Energy Policies and Measures Database © OECD/IEA and IRENA, [November 2020]