This standard specifies the energy labelling requirements and the Minimum Energy Performance Standard (MEPS) requirements for single-package of window type, split-system non-ducted air conditioners using air-cooled condensers, split-system ducted air-conditioners using air-cooled condensers, and heat pumps using air-cooled condensers for residential, commercial and industrial sector as applicable in accordance with GSO SASO Standards. It is applied to units designed to operate in AC single phase or three phase circuits according to GSO 1899/2009 "GCC Standard voltages and frequencies for AC transmission and distribution systems". It covers units with capacities up to and including 70000 Btu/h (20 kW). This standard is applied to the following GSO Member States: - Sultanate of Oman - Yemen This Standard is not applied to the following GSO Member States: - United Arab Emirates - Kingdom of Bahrain - Kingdom of Saudi Arabia - Kuwait - Qatar Annex C refers to the National regulations applied for GSO Member States excluded from this Standard