Zone control is an ADD-ON feature to typical central heat & air systems. It allows the system to distribute hot or cold air only to the areas that need it instead of the entire home. The graphics below show what zone control does to solve two typical issues with central HVAC systems.
WITHOUT ZONE CONTROL
WITH ZONE CONTROL
Get the best energy efficiency possible from your existing HVAC (heating and cooling) system & improve comfort throuhgout your home with SmartZone from ECOJAY. BUY HERE