The Hidden Power of the Air Recirculation Button in Your Car

When air recirculation is off, your car pulls air from outside, filters it, and then heats or cools it before pushing it into the cabin.

When recirculation is on, your car closes off outside air and reuses the air that’s already inside. In other words, the system stops pulling in fresh air and keeps cycling the cabin air through the AC or heater.

This simple switch changes how efficiently your climate system works.

Why Recirculation Is So Useful

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