SmartZone is universal and can replace almost any zone system you come across in the field... Also, the 4X can act as a fresh air controller when needed. With built in temp sensor and flexible controls, SmartZone works almost anywhere.
xci controls
HVAC Zone Controls vs. Ductless Mini-Split Zoning
Zone Control InfoCommentLight switches don’t save energy… turning the light switch OFF saves energy
Zone Control InfoCommentZoning Return on Investment – Payback?
There is no short answer to this question with Zone Control. Energy CAN be saved with zoning but it is also capable of increasing the comfort of a home. Because of this, a zoning system can both save and cost energy depending on how the homeowner uses it. User habits of operating the system primarily determine how much energy will be used or saved.