(Technical) Window tinting is the most important aspect since it's what they do and also because they chose bluegrass (as opposed to say, sunshade) which has nothing to do with their business so I would keep window tinting up front.
Blue is the hardest color for the human eye to see and that's the color of the smallest letters on the logo and they're not in the most readable font. Fine for print but not so much for distant viewing. I'm not real big on red even though it's the most visible. Maybe a burgundy/maroon.
(personal opinion) I like it overall. I don't like bluegrass being half behind and half in front of window tinting. Yellow sun bullets are hard to see. Gradient almost disappears on the left. Maybe a little less on the drop shadow for bluegrass. Overall shape of the logo and general shape concept is nice though.
To simulate an installed sign, step back from the computer and look at it.