You wouldn't purchase a new car and presume you’d never have to pump up the tires, replace the oil or look into odd noises. Your home comfort unit is like a car engine. It’s a machine with a motor, electrical components and even fuel. So, it’s crucialto have a licensed technician do annual service on your home comfort equipment in Champaign. If not suitably maintained, even the best heating and cooling equipment can have troubles and become less energy efficient over the years.