HomeAppsLifestyle(S40) Smart T-StatApps like (S40) Smart T-Stat Here are some great alternatives to (S40) Smart T-Stat by Lennox International Inc : BlueLink Smart Connect ★3.9 Amana Home ★4.4 Sensi ★4.6 Total Connect Comfort Intl ★3.8 Real Thermometer: Temperature ★4.7 Total Connect Comfort ★3.8 Hoot Wifi ★3.4 Accurate Room Temperature App ★3.6 Room Temperature Thermometer ★3.5 Room Temperature Thermometer ★4.4 Room Temperature Thermometer ★3.8 Room Temperature Thermometer ★4.2 Symphony by Geostar ★3.3 Goodman Home ★4.2 Comfort Sync® Thermostat ★4.1 Room Temperature Thermometer ★3.5