You wouldn't purchase a new car and think you’d never have to fill the tires, change the oil or check odd noises. Your home comfort equipment is very much like a car engine. It’s a machine with a motor, electrical parts and even fuel. So, it’s importantto have a qualified pro complete annual maintenance on your home comfort equipment in Tempe. If not suitably maintained, even the top heating and AC units might run into problems and become less energy efficient over the years.