Building automation is the automatic centralized control of a building's heating, ventilation and air conditioning, lighting and other systems through a building management systemor building automation system (BAS). The objectives of building automation are improved occupant comfort, efficient operation of building systems, reduction in energy consumption and operating costs, and improved life cycle of utilities. Imagine being able to go online securely from any web-browser and know how your HVAC system is performing real-time. Imagine if you could make adjustments from your computer - turning zones on and off, or getting the temperature just right, so that when you arrive your space is as cozy as can be.