HONEYWELL HOME RTH21B Programmable Thermostat Single Heat 194159017368 Flex HEAT/1

( Brand: Honeywell Home ), ( Manufacturer Part Number: RTH21B ), ( Part Type: Thermostat ), ( Included Components: Wall Plate, Temperature Sensor ), ( Temperature Control Type: Programmable ), ( Style: Single-stage Compatible ), ( Color: White ), ( Pattern: 7 Day Flexible Programmable ), ( Controller Type: Push Button ), ( Display Type: Lcd ), ( Batteries Required : Yes ), ( Voltage: 750.0 ), ( Mounting Type: Wall Mount ), ( Unit Count: 1.0 ), ( UPC: 194159017368 ), ( Package Dimensions Lxwxh: 8.5x6.46x1.54 Inches ), ( Weight: 0.9 Pounds )

Review HONEYWELL HOME New Programmable Thermostat Single stage Heat/1 Cool Compatibility Flex

The Honeywell RTH21B1008 Programmable Thermostat is a versatile and energy-efficient solution for managing your home's heating system. This single-stage heat model, with one Flex heat/cool connection, is designed to fit into standard single-pole 2-wire thermostat systems.

The RTH21B boasts a sleek, contemporary design with a large, easy-to-read digital display. Its intuitive interface allows you to effortlessly program up to 7-days worth of temperature settings, ensuring that your home is always at the perfect temperature. With four flexible programming periods per day, you have the freedom to customize temperature transitions according to your daily routine.

This smart thermostat features a smart response technology that learns your temperature preferences and adjusts the temperature accordingly. It also includes an OpenTherm communication capability, which allows it to work with compatible heating systems to optimize fuel usage and save energy.

The RTH21B comes equipped with an advanced alarm system that alerts you of potential issues, such as filter replacement reminders, low battery warnings, and system malfunctions. It also includes a vacation setting that automatically adjusts the temperature while you're away to save energy and reduce utility costs.

This programmable thermostat is easy to install and can be controlled using the included wireless remote control or the Total Connect Comfort app on your smartphone. With its user-friendly interface, energy-saving features, and versatile compatibility, the Honeywell RTH21B1008 Programmable Thermostat is an excellent choice for homeowners looking to optimize their heating system and save on energy costs.

Honeywell RTH21B is a single-stage heat programmable thermostat, which is a popular choice among homeowners due to its energy-saving capabilities and user-friendly features. Here are the pros and cons of buying this particular model:

1. Energy Savings: The Honeywell RTH21B allows users to program heating and cooling schedules, ensuring that the temperature is set to preferred levels only when needed, thereby saving energy and reducing utility bills.

2. User-Friendly Interface: This thermostat features an easy-to-use interface with a large, clear digital display and intuitive buttons. It also has a 7-day flexible programming feature that allows users to customize their heating and cooling schedules based on their daily routines.

3. Compatibility: This thermostat is compatible with most heating and cooling systems, including electric, gas, and oil furnaces, making it a versatile option for various home heating needs.

4. Warranty: The Honeywell RTH21B comes with a limited 5-year warranty, which provides peace of mind for homeowners.

1. Limited Connectivity: Unlike some other smart thermostats, the Honeywell RTH21B does not offer Wi-Fi connectivity or compatibility with home automation systems, which can be a disadvantage for homeowners who want to control their thermostat remotely or integrate it with other smart home devices.

2. Not Suitable for Multi-Stage Heating Systems: This thermostat is designed for single-stage heating systems only, which may not be suitable for homes with more complex heating requirements.

3. Installation: While the thermostat itself is relatively easy to install, users may need some basic knowledge of wiring and HVAC systems to ensure proper installation and functionality.

The Honeywell RTH21B is a reliable and energy-efficient programmable thermostat that can help homeowners save money on their utility bills by allowing them to customize their heating schedules. Its user-friendly interface, compatibility with various heating systems, and 5-year warranty are significant advantages. However, its lack of Wi-Fi connectivity and compatibility with multi-stage heating systems may be a disadvantage for some homeowners. Ultimately, if you're looking for a simple, programmable thermostat to help manage your home heating costs, the Honeywell RTH21B is an excellent option. However, if you require more advanced features, such as remote access or compatibility with other smart home devices, you may want to consider a Wi-Fi-enabled smart thermostat instead.

If you're looking for a programmable thermostat to help manage your home heating costs, the Honeywell RTH21B is an excellent option. It's easy to use, energy-efficient, and compatible with various heating systems. However, if you require Wi-Fi connectivity, compatibility with multi-stage heating systems, or other advanced features, you may want to consider a Wi-Fi-enabled smart thermostat, such as the Nest Learning Thermostat or the Ecobee SmartThermostat, which offer more advanced features and integration with other smart home devices. Ultimately, the best choice depends on your specific heating needs and budget.

Details:

EXPERIENCE: A large screen and clear enhance daily use.

part #: rth21b prices

• $20.88-$29.87

specifications thermoditto:

• brand: Honeywell Home
• mpn: Rth21b
• part type: Thermostat
• included components: Wall Plate, Temperature Sensor
• temperature control type: Programmable
• style: Single-stage Compatible
• color: White
• pattern: 7 Day Flexible Programmable
• controller type: Push Button
• display type: Lcd
• batteries required : Yes
• voltage: 750.0
• mounting type: Wall Mount
• unit count: 1.0
• upc: 194159017368
• package dimensions lxwxh: 8.5x6.46x1.54 Inches
• weight: 0.9 Pounds

seller thermoditto:

• rating: 100.0%
• # reviews: 761
• city: Seattle, Washington

shipping thermoditto:

• class: Standard
• cost: $0.00
• transit: 3-8 Days
• service: Standard
• type: Fixed

returns thermoditto:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller
• method: Money back

payments thermoditto:

• wallet: Paypal
• other
• credit card: Visa

general thermoditto:

• Heating, Cooling Air > Thermostats > Programmable Thermostats
• condition: Used

offer thermoditto:

• sold: 0
• options: Ship-to-Home
• started: June 3, 2025
• quantity: 1
• availability: In Stock

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