I figured out today on the Cobalt if I have the heat on the AC runs, if I blend it just far enough with vents the AC doesn't run.
I often run heat to the floor to get enough air to defog the windshield without turning to defrost where AC run's for sure. If you can't tell if the AC is running, it also won't allow to recycle the air when not blended enough. I can see gph jump about 0.1 when AC is on as well.
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