Anupam Heaters & Controls Pvt. Ltd. Offers Short Wave Quartz Infrared Heaters. Anupam Heaters & Controls Pvt. Ltd. Holds an ISO 9002 quality assurance certifications. Short Wave Quartz Infrared Heaters are used in various industrial applications. Short Wave Quartz Infrared Heaters contains tungsten filament, helically wound, encased in quartz envelope. Its response time is very rapid, in 1 second it emits over 90% of IR energy. The heater is free & pollution free. Heat focus is very accurate due to compact and narrow diameter of IR tubes. Short wave IR element has maximum heating rate of 200W/inch.