Beazer's "Cascade" Model Home in Chalk Hill, Celina, TX, 2,605sf 

The word for the unit that allows one HVAC system to have 2 zone's is "Damper".
This is the model home and is not available for sale, however, you can build one. Contact me for more info.
Meanwhile, feel free to view up to date local market data at:
www.thekarlang...
Bryan Karlan
bryan@bryankarlan.com
www.thekarlang...