National Heaters Industries Co. is a part of the prestigious Omar Zawawi Establishment (OMZEST) group of companies; a diverse Group in manufacturing and trading in the Sultanate of Oman. The Company manufactures a range of domestic and large capacity storage type electric water heaters under the brand names of ‘HOTEX’ & ‘SUNEX’. From a modest beginning in 1988, the Company has grown to become one of the leading manufacturers of electric water heaters in the Arabian Gulf. Today, Hotex is considered the standard for the design and manufacture of water heaters in the region. An uncompromising approach to quality control and continuous upgrading of technology through research and development has been the key to this success.