$16 $25
Amazon has the Honeywell RTH221B1039 7-Day Programmable Thermostat for $16 with free shipping on $25+ or with Prime. Features +/- 1 degree Fahrenheit temperature control.
Amazon has the Honeywell UltraPro Z-Wave Plus Outdoor Grounded Outlet Plug-in Switch (39363-CS2) for $23 with free shipping on $25+ or with Prime. Can be voice-controlled with Google Assistant or Amazon Alexa (requires compatible Z-Wave hub).
Up to 43% off Thermostats. Today only. Home Depot has the Honeywell Lyric T5 Wi-Fi Smart Programmable Touchscreen Thermostat (RCHT8610WF) on sale for $74 with free shipping.
Home Improvement Sale. Ends 12/31 at 10PM PT. Tools.woot! has the Honeywell T4 Pro Series TH4110U2005/U Programmable Thermostat for $17 with free shipping for Amazon Prime members or $6 shipping.