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AC power consumption question

1742 Views 6 Replies 4 Participants Last post by  b1shmu63
I have a Civic hybrid and am curious if anyone knows how the AC draws power from the engine. Is it an electrically or mechanically driven compressor? In either case, does the temperature or fan setting affect the power draw from either the engine or battery?

I'm trying to optimize how I use the AC and generally when I need to use the AC, I just set it to the lowest temperature and cycle the AC on and off by pushing the button. I was assuming that increasing the temperature setting doesn't necessarily decrease the AC power consumption, but this could be a wrong assumption. Any info would be greatly appreciated.

I did a search in the forum and didn't come across anything relevant.


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Electric AC has the advantage of being perfectly sealed unit that can run even with the engine off, however it will probably take more net power from the engine as mechanical energy has to be changed to electric power and then back to mechanical power.
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