The regulations do not apply to the following situations:
Buildings where the total electrical switch allows a load not exceeding 100 amperes.
Buildings not exceeding 3 stories high, with an area not exceeding 65.03 square meters and a height not exceeding 8.23 meters.
Buildings declared as temporary monuments or historic buildings under the Antiquities and Monuments Ordinance.
Buildings that will no longer exist within 12 months after a specific date as stated by the director.
This regulation aims to promote solid steps towards sustainable development in Hong Kong, to facilitate energy saving and carbon reduction, and to collectively create a better living environment.