Royal Service Group,

EST 1975 in Los Angeles USA,

multinational company, HVAC industry leader 

providing world-class products and services

equipped with 1 AHRI standards laboratory

1 VAV training center, 4 production bases, 

100+ patents, 50+ years international engineering experience

10000+ excellent projects allover the world. 

HVAC Air System Air-Conditioning Global Leader and Partner

International Manufacturer of Air Conditioning VAV Terminal Unit Box 

AHRI•U.L•BTL•ETL•ETL•CE•ISO♦ 100+ PATENTS

Royal Service Factory

supplies all kinds of air system products

that your commercial building projects need.