Honeywell Home T5 Smart Thermostat vs Honeywell Home T9 Smart Thermostat

Honeywell Home T9 Smart Thermostat adds Smart Room Sensors with occupancy detection and up to 200 ft range, humidity sensing, SmartThings support, a built-in speaker and weather on the display. Honeywell Home T5 Smart Thermostat covers scheduling, geofencing, three assistants and HVAC reminders for less.

Only Honeywell Home T9 Smart Thermostat, thanks to its included Smart Room Sensor, which reads temperature and humidity and detects occupancy so you can prioritise a room or average several. Honeywell Home T5 Smart Thermostat supports no external sensors.

Yes. Both Honeywell Home T5 Smart Thermostat and Honeywell Home T9 Smart Thermostat work with Alexa, Google Assistant and Apple HomeKit, and the T9 additionally lists SmartThings. Neither supports Matter.

Honeywell Home T5 Smart Thermostat has the larger panel at 4.95 inches, high-contrast and readable across a room, showing temperature and time. Honeywell Home T9 Smart Thermostat has a smaller touchscreen but adds weather to the display and a speaker for voice control.

Honeywell Home T9 Smart Thermostat does, both at the thermostat and at each Smart Room Sensor. Honeywell Home T5 Smart Thermostat measures temperature only, though it still sends temperature alerts and monitors system health with filter reminders.

Anyone replacing an older thermostat in a home that heats evenly, who wants 7-day scheduling, geofencing, three assistants, energy reports and maintenance reminders at the lowest price. If you need room sensors or humidity data, Honeywell Home T9 Smart Thermostat is the one to buy.