Just like your car needs its oil changed and maintenance done every few months to a year, your AC unit needs to be attended to annually to ensure optimal performance and safety. The question is, when should this be done? The best time is in the spring, before the blistering Arizona heat makes its way throughout the Valley. By performing maintenance in the spring, while your AC unit is not running, you end up saving money, time, and comfort. Most HVAC companies run busy once summer is in full swing and therefore it will be harder for them to find…