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Aprilaire 8448 Thermostat | Lincoln NE Air Conditioning Contractor

Aprilaire® 8448 Thermostat

Bring your heating and cooling system control into the digital age, wile keeping things extremely easy-to-use with the Aprilaire 8448. Compatible with both standard and heat pump HVAC systems, it provides the accuracy and convenience of electronic control.

The Aprilaire 8448 thermostat also provides air filter and humidifier service reminders to keep your heating and cooling system running efficiently.

Product FeaturesProduct SpecsDocuments
  • 4.5-inch digital screen
  • Soft-touch keys
  • Compatiable with up to 2-stage heat and cooling for standard AC systems and up to 4-stage heat and 2-stage cooling for heat pump systems
  • Provides pinpoint digital accuracy and control for ultimate comfort
  • Service reminders for your HVAC system, humidifier, dehumidifier and air filter
  • 5-year parts limited warranty upon timely registration


  • Display outdoor temperature


Programmability 5/1/1 and 5/2 day, wake-leave-return-sleep event based comfort scheduling with permanent and temporary hold options


Reminders and Alerts Air filter and humidifier service indicators


Clean Air If an air cleaner is installed, the thermostat will activate the fan for the purpose of air cleaning
Compatability Designed for use with a wide range of HVAC systems and brands


Screen 4.5-inch Digital screen

Owners Manual (Manual for all 8400 models, please note the models listed for each section)