by Glenn Taylor
It's that time of year again. Days are shorter, leaves are changing color, and the air is crisp. This can only mean one thing: It's time to perform furnace clean and checks on your customers' systems.
Clean and checks ensure that your customers' furnaces perform as safely and efficiently as possible, and prevent the no heat calls that can come on a Sunday afternoon in January. This service should also be promoted at a time that will hel