Water Heater Division

Steel division

Coolex Range

Welcome to National Heaters Industries

National Heaters Industries Co. (NHI) is a part of the reputed Omar Zawawi Establishment (OMZEST) group of companies. NHI has distinction of winning the prestigious His Majesty’s Cup Award three times (2003,2004 & 2008) for the best five manufacturing companies ; and four times winner of the Ministry of Commerce & Industry certification (2001,2002, 2005 & 2006) . NHI brands (Hotex) present one of the classic Omani success stories.

NHI has ISO 9001, ISO 14001 & OHSAS 18001 certifications; G-mark certificate and Emirates Quality mark.

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Certifications