• Humidification and dehumidification control
• Intuitive menu-driven setup, programming and operation, with audio prompt
• Permanent program retention during power loss
• Indefinite setpoint hold or temporary temperature override
• Auto heat/cool changeover option — automatically switches between heating and cooling programs
• Heating and cooling, heating only or cooling only configuration
• Setpoint temperature limits
• Maintains room temperature to within ±1°F
• Room temperature display can be recalibrated up to ±5°F

1F98EZ1621 features:

• Wireless comfort interface, equipment control and return air sensor
• 6" display
• Choice of 4 or 2 program periods per day
• Reduces hot and cold spots — add up to 4 wireless sensors (3 indoor and 1 outdoor)
• Choice of dual fuel control with wireless temperature sensor or by Logic Program in Comfort Interface