You wouldn't get a new car and assume you’d never have to pump up the tires, replace the oil or check odd noises. Your home comfort equipment is similar to a car engine. It’s a machine with a motor, electrical pieces and even fuel. So, it’s essential to have a qualified pro complete regular maintenance on your home comfort system in Knoxville. If not suitably maintained, even the best heating and air conditioning units may have issues and become less energy efficient over time.