There are other potential reasons why your AC is blowing hot air, but these are the most common problems car owners run into. If you believe your AC is having issues, bring your car in to a trained and experienced auto repair technician to diagnose what exactly is behind your cooling woes.
When you really stop and think, you realize brakes are a pretty amazing invention. They have the power to bring a large, multi-ton machine traveling at 70 miles per hour to a complete stop with just a push of the pedal. This ability is all thanks to science!