Why is dry ice used for cheap air conditioners?
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As far as I know it is not used. Regular water ice blocks can be used. Dry ice is made of solid CO2…. Carbon dioxide. When it cools things by absorbing heat, it evaporates and gives off CO2 gas. A build up of CO2 in an enclosed space can be deadly. At 4% CO2 levels people die. read more
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10 Minute, Cheap, Portable Cooler A/C: 6 Steps
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Dry Ice Air Conditioner
www.labinnovator.com