You wouldn't get a new car and presume you’d never have to pump up the tires, replace the oil or look into weird noises. Your home comfort unit is very much like a car engine. It’s a machine with a motor, electrical components and even fuel. So, it’s criticalto have a licensed pro complete yearly maintenance on your home comfort unit in London. If not correctly serviced, even the top heating and air conditioning systems may have problems and loses energy efficiency as time passes.