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Recirculate reduces compressor load because you are cooling already cooled, interior air......but some folks notice the air becoming stale if recirculate is used too long.
Turning the compressor off is counter productive......the power needs of the compressor are rather high at startup and operating pressure remains high till the evaporator is cooled (again).
If the car senses too much throttle to negotiate a hill the compressor turns off (bcm command) until the load is reduced.

Adjust the temp knob for a temperature that works for you......higher temp equals lower compressor draw.

Only the automatic A/C systems blend heated air with A/C to maintain a specified temperature.....this is continually adjusted as you drive.

The base system is manually blending heated air as you adjust the temp knob.

Did I miss anything?

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