IR Heaters 1.8Kw,Not quartz heater 25-years Life Span 99.99% heating efficiency 2 years ... cooler,evaporative cooler,air cooler,infrared radiant heater,convector heater,kerosene heater,electric heater,outdoor heater,infrared panel heater Brands:jinghui, JH, JH-COOL, evaporative ... Volume:US$10 Million - US$50 Million Export Percentage:71% - 80% Factory Information Factory Size (Sq.meters):10,000-30,000 ...