Aprilaire 8840 Color Touchscreen Wi-Fi Automation IAQ Thermostat, Black

Put reliable indoor comfort and healthier air at the center of your building management with the Aprilaire 8840 Color Touchscreen Wi‑Fi Automation IAQ Thermostat. This Aprilaire smart thermostat combines a full-color touch display and Wi‑Fi connectivity so facility managers and contractors can monitor and adjust temperature, ventilation and air cleaning from anywhere. Event-Based™ Air Cleaning offers selectable modes—Constant Clean, Automatic, Event Clean and Allergy—to purge contaminants when they matter most, while automatic humidifier and dehumidifier control maintains ideal relative humidity without manual intervention. The 8840 supports heat pump configurations (3H/3C or 4H/2C) and meets ASHRAE ventilation requirements for fresh-air management, helping reduce energy waste with intuitive scheduling and hold options. Compatible with Amazon Alexa and Google Assistant (when not integrated into separate automation systems), the 8840 also integrates into broader building monitoring and security platforms to centralize environmental control alongside access and surveillance systems. Ideal for residential and light-commercial deployments, the Aprilaire 8840 delivers precise IAQ control, energy savings and simplified system monitoring. Order now or contact our sales team to specify the 8840 for your next HVAC or building automation project.

• Simplify indoor air quality management with Event-Based™ Air Cleaning modes for targeted purification during high pollen, dust or allergy events
• Control and monitor remotely via Wi‑Fi and a full-color touchscreen for instant adjustments from on-site or mobile devices
• Maintain year-round comfort automatically with humidity and ventilation control, including automatic humidifier and dehumidifier management
• Save energy and reduce operating costs with programmable schedules and heat pump support (3H/3C or 4H/2C) for flexible HVAC configurations
• Integrate IAQ, HVAC scheduling and monitoring with voice assistants and building automation to centralize environmental controls alongside security systems