Product Comparison: Controls and Thermostats

  Evolution Control
Evolution® Control		 Preferred Programmable Control
Preferred Programmable		 Legacy Programmable Control
Legacy Programmable
Performance
Intuitive On Screen Prompts Check Check  
Features
Remote System Access Check    
Temperature Control Check Check Check
PerfectHumidity® Check Check  
Air Quality Control Check    
Fan Speed Control Check Check  
Ventilation Control Check    
Programmable Check Check Check
Clean Filter Reminder Check Check  
Auto Changeover Check Check Check
Zoning Up to 8 zones    
Design
Profile Sleek Ultra-Slim Ultra-Slim
Large LCD Screen Check Check Check
Back Lighting Check Check Check
Wireless