Temperature and Humidity Controls
The Heat Exchanger controls the humidity by taking the Water Vapor out of the air. The water is then sent to the Water Recovery and Management Subsystem. The water vapor in the air comes from the breath of the astronauts, experiments on the Space Station, and astronauts' activities such as cooking and bathing.

The
Internal Thermal Control System Low Temperature Loop carefully monitors the temperatures in the Space Station. The cooling systems and heating elements are always turned on. The electricity powering this and all systems comes from the solar panels and / or the batteries.

Circulating cool, dry air throughout Space Station Alpha keeps the temperature comfortable and the humidity low. Fans, tubes, and ventilation openings within and between the modules of the Space Station are used for air circulation.

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