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Electric door curtain
Published: February 2007
The HeatScreen over-door heater from JS Air Curtains is said to cost 20% less than its nearest equivalent. It can deliver up to 9 kW of heat and 1670 m3/h of air flow — sufficient for a doorway up to 2.4 m high. These electrically powered door curtains are available in lengths of 90, 120 and 150 cm and can reach their operating temperature in less than 10 s. Only a single-phase power supply is required. A handheld remote control comes as standard, or units can be operated from the control panel on the front. They can be operated without heat to keep conditioned air in the building during summer. The fan runs for three minutes after the heater is turned off to dissipate residual heat. A 2-year warranty is standard, and an installation service is available. Related articles: 
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