The group promotes conservation in developments and they are managed to save energy and money for residential tenants and commercial occupants . the techniques include using energy - saving fluorescent tubes and installing automatic time switches in the air - conditioning system to reduce power consumption 致力在轄下屋苑推行節(jié)能管理,節(jié)省能源同時(shí)亦為住戶及租戶減省成本,包括改用節(jié)能光管,以及于冷氣系統(tǒng)加裝時(shí)間掣等。