Reglamento Técnico Salvadoreño RTS 23.01.01:15, Eficiencia energética. Acondicionadores de aire tipo central, paquete o dividido. Límites y métodos de prueba y etiquetado 

(Salvadorian Technical Regulation (RTS) No. 23.01.01:15: Energy efficiency. Central, packaged or split air conditioners. Limits, test methods and labelling) (66 pages, in Spanish)

The notified Salvadorian Technical Regulation establishes the minimum seasonal energy efficiency ratio (SEER) for central, packaged or split air conditioners, the test methods for verifying compliance with this ratio, and the information to be included on the label.