A huge benafit.....added ceramic window film to the interior of all windows in our 5th wheel.  Five slide outs so there are a lot of windows. If you're not familiar with the ceramic window film it's worth exploring.  Stop at any real window tint shop and ask them to demonstrate ceramic film.  They use a heat lamp and with your hand under it, you will experience clear glass, light tint, dark tint, limo tint and then ceramic film.....incredable difference in temperature control even with the