JARblue

I run windows down almost year-round. And when I turn on the AC it is very noticeable in my garage when the sound is rebounding off the walls. Just my experience. Also, I almost never turn it on Auto. I turn the temp all the way down or up (depending on winter or summer) and turn the fan on the MIN level. At stop lights I don't notice it any more than when it is off, but I often still have the windows down or partially down. However, I think i can definitely say that it does not double the idle noise even in my garage.

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