Srolfe, fortunately, that four inches is tinted glass, so we're hoping for little to no difference in heat gain.
We ordered the Magna Shade and can't wait to get it. I'll report back! Now, to decide what to do about the side windows. Just couldn't bring ourselves to pay for the shades for them, so I might try to find a way to do the same shade fabric on the inside and install with suction cups. Or something!
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