IAQ

• Programmable AUX output (PSP4273RT only) - Humidification - Dehumidification with reheat - 3rd or 4th stage of heating
• Drop down current weather and forecast screen

Programs

• 7-Day, 5+1+1 day or 1-day programmable with up to 4 time periods per day
• Geofencing
• Vacation mode

Staging

• Dual fuel compatible with ultra-low balance point
• Independently adjustable staging deadbands for all stages of heating and cooling (1° - 10° F)
• Independently adjustable staging timers for all stages of heating and cooling (1 - 60 mins)
• Adjustable staging turnoffs, i.e. de-energize 2nd stage at deadband or keep active until setpoint

Security

• Setpoint limiting
• Customizable keypad lock
• Secure API (http or https)

Fan Ops

• Programmable fan runs 5 - 60 mins per hour with adjustable Start/Stop times. 7-day programmable.
• Smart recovery auto-adjusts morning start time to meet setpoint by programmed start time

Sensors

• Wireless (Wi-Fi) remote sensors available
• Remote sensor averaging with thermostat sensor
• Supply air alerts for heating and cooling cycles

Alerts

• Separately tracks up to 2,000 hours of heating, AUX heat, and cooling runtime
• FDD (Equipment Fault Protection) notification
• Email alerts: Supply Air, Hi/Lo Temp, Service Filter, Hi/Lo Humidity (PSP4273RT only), etc.

Certs

• Title 24 compliant
• Energy Star certified