...is a Good Investment
Building systems are the lifeblood of any facility. Without heating and cooling, a building would be uninhabitable. That's why a strong preventive HVAC maintenance program isn't an option; it's a must. The better it is maintained, the more likely you're going to get the appropriate life-cycle from the equipment. Think of preventive HVAC maintenance in the same way as the preventive maintenance for yourself or even a car: If you don't check it out with a professional and change your oils as necessary, there will be a more rapid deterioration and any system can lock up and not operate.