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In this room was a gas heater that had an improvised exhaust system attached to it made from bits of sheet metal hammered together.
CNN: A visit to Osama bin Laden's lair
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It has a built-in filtered fan system for particularly hot days, and a heater which allows it to work in temperatures of around -4 degrees C (24 degrees F), plus a watertight cable system for a range of sources including HDMI, component, VGA, S-video, composite, and RF.
ENGADGET: SunBriteTV's 46-inch 4600HD all-weather outdoor LCD
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As on the previous floor, there was an improvised system of metal pipes to remove the exhaust from a gas heater.
CNN: A visit to Osama bin Laden's lair
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Solar thermal heat is ideal as an auxiliary system to existing furnaces and hot water systems -your furnace or water heater operates exactly the same as it always has, coming on and running in response to thermostat settings to keep your house or water heated to the thermostat setting.
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