Aprilaire 8466 Thermostat

The Aprilaire 8466 Thermostat is a high-performance universal programmable thermostat designed to provide precision control over your indoor climate. Engineered for versatility, this multi-stage thermostat supports up to 2 stages of heating and 2 stages of cooling for conventional systems, or up to 4 stages of heating and 2 stages of cooling for heat pump systems. With flexible 5/1/1 day programming or 5/2 day scheduling, you can customize your environment to match your routine, ensuring maximum HVAC energy savings. The unit features a large 4.5 square-inch backlit LCD display, making it easy to monitor room, target, and outdoor temperatures simultaneously. Integrated progressive recovery technology activates your system early so your home reaches the perfect temperature exactly when you need it. Additionally, built-in service reminders for air filters and humidifiers help maintain system health without and guesswork.

• Universal Compatibility: Works with standard gas, oil, electric, and millivolt systems, supporting both single and multi-stage configurations.
• Progressive Recovery: Intelligently calculates the time needed to reach setpoints, ensuring comfort at the start of your scheduled event.
• Dual-Power Options: Can be powered via 24VAC hardwiring or two AA batteries, with a convenient front-access door for easy battery replacement.
• Enhanced Air Quality: Features a circulate fan mode to prevent hot or cold spots and improve air filtration throughout the home.
• Permanent Memory: Retains all programming and clock settings during power outages, eliminating the need for frequent reconfiguration.

Is the Aprilaire 8466 compatible with my heat pump?
Yes, this model is a universal programmable thermostat that supports heat pump systems with up to 4 stages of heat and 2 stages of cooling.

Can I see the outdoor temperature on the display?
The Aprilaire 8466 Thermostat can display outdoor temperatures if paired with an optional 8052 outdoor sensor.

How do I save on utility bills with this device?
By using 5/1/1 day programming to set back temperatures during sleeping or away hours, you can significantly reduce HVAC energy consumption.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.