The Department of Trade and Industry – Fair Trade Enforcement Bureau (DTI-FTEB), through the Business Licensing and Accreditation Division (BLAD), accredits service and repair enterprises (SRE) including those that repair, service, install, and maintain refrigerator and A/C or air conditioning (RAC) units, whether for household, commercial or mobile (motor vehicle) purposes. Department Administrative Order No. continue reading : DTI helps protect the environment through accredited service and repair enterprises