If you live in a warm climate where there is lots of sunshine, you would do well to have some window tinting installed on your car windows. It has been proven that having the tinting on your car windows really decreases the interior temperature inside of your car by a whole lot.
Go to Austin window tint website for more info. Particularly if you travel a lot or spend quite a bit of time using your car for work, the advantage of the tint being installed will pay for itself rapidly just for the comfort level.
There is also an exceptional safety factor in having the tint installed, as it cuts down the glare from the exceedingly bright sun nearly completely. There is a real danger when the glare from the sun hits you full in the face, completely blinding you for a moment.
When this happens, it usually is only for seconds, but that is all the time that it takes to miss a car turning in front of you or of a pedestrian crossing the street. If the tint is in place, the glare is converted into a mere bright spot, and you hardly notice it. Just for the safety factor alone, the tint is worth the trouble of having it installed.