The Best Rth221B Thermostat of 2023 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Rth221B Thermostat of 2023. Check our ranking below.
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- ONE WEEK PROGRAMMING: Set one identical program for the entire week with four program periods per day including wake, leave, arrive and sleep.
- PRECISE TEMPERATURE CONTROL: Precise temperature control of plus/- 1 degree Fahrenheit
- DIGITAL DISPLAY: Easy-to-read digital display with an intuitive interface for one-touch access to setpoint temperature
- EASY INSTALLATION: Easy to install yourself and basic operation keeps programming simple
- REMINDERS: Built-in battery change reminders (2 AAA batteries are required for operation)
- 5-2 DAY PROGRAMMING: Separate programs for the weekdays and weekends with 4 program periods per day including wake, leave, arrive and sleep
- PRECISE TEMPERATURE CONTROL: Precise temperature control of plus/- 1 degree Fahrenheit. Temperature range limits allow you to set minimum cooling and maximum heating temperatures
- DIGITAL DISPLAY: The display panel is backlit with an intuitive interface for one-touch access to setpoint temperature
- EASY INSTALLATION: Easy to install yourself and works with many heating/cooling systems, plus heat pumps without auxiliary heat
- REMINDERS: Built-in battery change and filter change reminders
- One program runs for the entire week (4 periods per day)
- Easy to use, basic operation makes programming easy
- Precise +, - 1 degree Fahrenheit temperature control
- Easy to install
- The RTH6360D offers flexible 5-2-Day or 1-Week programming so you can set your own schedule for comfort and energy conservation.
- Backlit LCD display shows current room temperature and set point temperature simultaneously.
- Smart Response Technology learns how long it takes to achieve the right temperature at the right time and automatically runs your system to get to your desired temperature when you want it.
- Features auto changeover between heat and cool and reminder alerts for low batteries and filter changes.
- Program is retained in memory in the event of a power outage so you can be confident your comfort stays intact.
- One program for the entire week-4 periods per day.
- Digital display
- Compatible with heating, cooling and heat pumps without auxiliary heat, Does not work with electric baseboard heat (120-240V) multistage HVAC systems
- Accurate temperature control of plus/-1-Degree F for consistent comfort
- Display options: Fahrenheit or Celsius temperature display, 12 or 24 hour clock
Last update on 2025-07-16 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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