DIFAS is a Vietnamese air-conditioning and home-appliance retailer and technical services provider. Its expertise includes supplying and installing cooling systems for villas, private residences, and office buildings, with ongoing maintenance and cleaning services offered as complete packages. The company also provides repair services and undertakes installation projects.

Its product range covers wall-mounted air conditioners and larger systems, including floor-standing, ceiling cassette, ducted, ceiling-suspended, and multi-split models. Products feature brands such as Daikin, Panasonic, Toshiba, LG, Casper, Midea, and Aqua. DIFAS also sells televisions, refrigerators, washing machines, freezers and coolers, water heaters, induction and infrared cooktops, range hoods, and dishwashers from brands including Bosch and Junger. Air-conditioning parts and accessories, such as drain pumps, remotes, air curtains, and compressors, are available as well.

Customers can browse product and service price lists, request sales support, and contact DIFAS by phone. The website lists working hours from 8 a.m. to 7 p.m., Monday through Sunday, and provides separate contacts for purchases and business or project inquiries.