When driving w/ the A.C. on, does it waste more gas depending on the speed the a.c. is on?

Question:
Does it waste the same amount of gas when your a.c. is on, no matter what speed it's at? Or does the speed matter?

Answers:

If you never let your car warm up at all, even on the coldest winter mornings...?

You waste the same amount of gas with your ac on low as high, because that is just a fan control, the compressor under the hood is what cause you to use more gas and it is either on or off no speed control.

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Purpose of battery in automotive industry?

The a.c. fan speed does not affect the car's fuel consumption. What does affect the gas is the car's engine turning the a.c. compressor components by the motor fan belts to circulate the freon gas for the a.c. and the electricity generated by the alternator to keep the a.c. fan speed on during use plus keeping the battery charged.

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Yes.

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The A/C compressor is what puts the load on your engine. The compressor has a clutch that engages whenever you turn the A/C on. The air temperature inside the cabin is controlled by the Thermostat. The Thermostat controls the air temperature by engaging and disengaging the A/C compressor clutch. To cool the air, it engages the clutch. To keep the air from getting too cold and prevent the system from freezing, it disengages the clutch.

Does anyone have any gas saving tips?

There is a sensor just after the blower that senses the air temperature coming out of the A/C. If its not cold enough the thermostat engages the A/C compressor clutch. If its too cold, it disconnects it. If you have the Fan on High, more heat is drawn out of the cabin. When the fan is set to high, the A/C has less time to draw the heat from the air since the air passes through it too fast (but then you get more volume so air comes out half as cold but you get more than twice the amount of air coming out). The thermostat senses that the air is not cold enough so it engages the A/C clutch longer than usual to keep up.

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