Honeywell Home RTH221B1039 1-Week Programmable Thermostat

4.3 4.3 out of 5 stars | 6,551 ratings

Price: 16.52

Last update: 11-18-2024


About this item

Plastic
Imported
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)
SET POINT RETENTION: Set point is retained in memory in the event of a power outage
DISPLAY OPTIONS: Fahrenheit or Celsius; 12 or 24 hour clock. Note: This thermostat is not backlit.
OVERRIDE OPTIONS: Permanent and temporary override capability
COMPATIBLE WITH: Heating, cooling and heat pumps without auxiliary heat options
Does NOT work with electric baseboard heat (120-240 V), heat pumps with backup, or multi-stage heating/cooling. For indoor use only.

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Top reviews from the United States

Tylor
5.0 out of 5 stars What you see is what you get
Reviewed in the United States on October 30, 2024
It's simple, cheap, easy to install, and gets the job done. There's no backlight, so it can be hard to see if it's dark, and you can't give it separate programming for weekdays versus weekends, but if you just need single stage heating or cooling on a budget, this one works great.
Syd M
5.0 out of 5 stars gets the job done-zo
Reviewed in the United States on July 10, 2024
The Honeywell Home RTH221B1039 1-Week Programmable Thermostat is a reliable and user-friendly device that enhances control over home heating and cooling systems.

One of the standout features of this thermostat is its programmability. It allows users to set different temperature schedules for weekdays and weekends, optimizing comfort while potentially saving energy costs. This flexibility is ideal for households with varying routines, as it ensures the home is efficiently heated or cooled based on occupancy.

Installation of the RTH221B1039 is straightforward, making it accessible even for those without extensive technical knowledge. The clear and intuitive interface guides users through setup and programming, ensuring hassle-free operation from the start.

The thermostat's compact design blends seamlessly into any home décor, with a sleek and modern appearance that complements different interior styles. The large, easy-to-read display provides clear visibility of the current temperature and settings, enhancing user convenience.

I appreciate the energy-saving benefits of this thermostat. By automatically adjusting temperatures based on programmed schedules, it helps reduce energy consumption and utility bills without sacrificing comfort.

While the RTH221B1039 excels in simplicity and functionality, it may not offer advanced features like Wi-Fi connectivity or smartphone app control. However, for users seeking a reliable programmable thermostat without the complexity of smart home integration, this model is an excellent choice.

Overall, the Honeywell Home RTH221B1039 1-Week Programmable Thermostat is a dependable solution for enhancing comfort and efficiency in home heating and cooling. Its user-friendly design, programmable scheduling, and energy-saving features make it a practical investment for any household looking to optimize climate control while reducing energy costs.
Rad Astronaut
4.0 out of 5 stars Good for basic as you can get
Reviewed in the United States on April 14, 2024
I rent a cheap apartment that has an old big square central heater in the kitchen. The thermostat was an old (probably lead and mercury) move a stick from left to right to set the temp. There was some problem with its thermometer: if I set it to 65 degrees the heat would come on for a second but shut off and I’d have to go reset the heater itself to make it fire back up. If I set the temp to 72 my apartment would be like 80 degrees… who wants to pay that heating bill.

So I bought this and installed it myself. Super quick and easy. And I’ve never had to reset my heater since. And it regulates the temp so much better. It’s nice to be able to set different temps for different times (like wake up, leave the house, return home, sleep).

Cons: there should be some backlighting. It’s 2024, this isn’t an insane techy request. You need to have a light on or use the light from your phone to see the screen because it doesn’t light up. I could see someone wanting to be able to set specific times for each day of the week (for instance even on Saturday it still turns down because it thinks I’m at work), but for me it’s not a big deal. If I need it higher you can just turn it up a couple notches and it will stay at that new temp until the next programmed setting (such as return home, or bedtime).

As I said, basic as it gets, no smart features, no backlight, but it does it’s job and it’s saving me money.
Peter S.
5.0 out of 5 stars Works for our needs
Reviewed in the United States on October 16, 2024
We don't have a/c, and don't need to program it. We use it as backup to minisplit systems, and we turn it on and off as needed. Easy installation to replace nonfunctioning old Honeywell, and it works fine.
David Larrabee
5.0 out of 5 stars Great cheap programable thermostat
Reviewed in the United States on September 5, 2024
If you just need a simple, inexpensive programable thermostat look no further. This thermostat is so simple to use i feel as if my mother, who is a luddite, can work this! We replaced out old 60's knob thermostat with this so our oil heater would not run all the time.
Works perfectly. Great if your renovating and you need something inexpensive.
Mike
3.0 out of 5 stars Slow to react to temperature changes
Reviewed in the United States on November 2, 2024
Pro's.... Nice thermostat, simple operation, gets the job done.
Con's.... Very slow to react to actual room temperature changes. This can lead to heating well above the set temperature in rooms that are quick and easy to heat. I used two mechanical thermostats to monitor actual room temps along side the new unit. I set the temp on the thermostat to 65F... the room temp dropped to 62F before the thermostat finally registered 64F and kicked on the heat. After which the room reached an actual temperature of 72F before the thermostat caught up and read 65F again and shut down. This is not a swing temp issue, this is s simple case of a slow reacting thermostat. Very poor performance in that area.
Spontaneous_shopper
5.0 out of 5 stars Quick and easy install for less complicated systems
Reviewed in the United States on October 24, 2024
Quick and easy install for less complicated systems. Price was worth it for a programmable thermostat that doesn't need to have all the bells and whistles but just set the temp at specific times of the day.

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