The Honeywell Home FocusPRO N100 (TH1210U4001) is a simple, reliable non-programmable thermostat for homes with a heat pump with auxiliary heat, or a single-stage furnace and AC. It mounts on Honeywell’s UWP wall plate for quick replacements and has a large, easy-to-read display. Controls are minimal: set the temperature and go. A good fit for replacements, rental properties and garages.

• Broad compatibility: Works with heat pumps up to 2 heat / 1 cool or conventional forced-air systems up to 1 heat / 1 cool, plus radiant heat and dual-fuel setups.
  

• Fast installation: Comes with the UWP mounting plate and a J-box adapter, which also covers marks left by the old thermostat.
  

• Easy to read: Large display with a clear font and an optional always-on backlight when hardwired.
  

• Simple everyday use: Non-programmable push-button control with fan control and a 40–99°F range, plus optional filter-change reminders.
  

• Flexible power: Runs on 24V hardwired or battery power.
  

• Garage and cold-climate friendly: The heat low limit can be lowered from 40°F to 32°F for garages, and it supports compressor and aux-heat lockout with a wired outdoor sensor.
  

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• Warranty: 5-year manufacturer warranty.