Air Conditioner with Motion Sensors on Shabbat

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Question

Hello, In a place such as a hotel abroad, where there is an air conditioner with sensors (motion sensors) that cause the air conditioner to turn on and off when entering and leaving the room, how is it permissible to use this room on Shabbat?

Answer

Hello,

You need to cover the sensors. If this is not possible, you should turn off the sensors at the main control computer or at the control center of the air conditioning systems.

Source

Chazon Ish Orach Chaim, Siman 50

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