Finding the best smart thermostat for heat pump systems with auxiliary heat involves balancing compatibility, control, and energy efficiency. The top pick, the Premium Heat Pump Thermostat with Large Blue Backlight Display, excels in ease of use and clear visibility. The T21 Programmable Thermostat offers advanced multi-stage control for those with complex systems, while the Honeywell RTH8560D provides reliable manual programming at an attractive price. The main tradeoffs include balancing advanced features against ease of installation and affordability. Continue reading for a detailed breakdown of these options and what makes each suitable for different needs.
Key Takeaways
- The best models combine compatibility with auxiliary heat and multi-stage control for maximum efficiency.
- User interface clarity, such as large displays and backlit screens, significantly impacts daily usability.
- More advanced features often come with a steeper learning curve and higher price points.
- DIY installation is common but varies in complexity; models with clear instructions save time and frustration.
- Price ranges reflect differences in control sophistication, build quality, and smart features.
More Details on Our Top Picks
Premium Heat Pump Thermostat for Home with Large Blue Backlight Display
This thermostat stands out for its broad compatibility with heat pumps, furnaces, and cooling units, making it a reliable choice for diverse systems. Compared with the T21 Programmable 2 Heat/1 Cool Thermostat, it offers a simpler, non-smart interface, which some users may prefer for straightforward control. Its large LCD with blue backlighting provides excellent visibility, especially in dim environments. The quick 30-minute installation and universal mounting base make it appealing for DIY installers. However, it lacks smart home integration, and the batteries require manual replacement, which could be inconvenient. This pick makes the most sense for homeowners seeking a dependable, easy-to-install thermostat with clear display features without the need for app control.
Pros:- High compatibility with various heating and cooling systems
- Large, easy-to-read blue backlit display
- Quick 30-minute installation with universal mount
Cons:- No smart home or Wi-Fi integration
- Requires manual battery replacement, which could be inconvenient
- Not compatible with mini-split or 12V RV systems
Best for: Homeowners with multiple heating/cooling systems who want a simple, reliable thermostat without smart features.
Not ideal for: Users looking for smart home integration or remote control via smartphone, since it offers no connectivity options.
- Controller Type:Push Button
- Power Source:Battery Powered or Hardwired
- Voltage:24 Volts (AC)
- Display Type:LCD with Blue Backlight
- Mounting Type:Wall Mount
- Batteries Required:2 AA batteries (not included)
- Dimensions:1.02″D x 5″W x 3.82″H
- Weight:0.4 Pounds
Bottom line: Ideal for users who prioritize straightforward installation and visibility over smart features.
T21 Programmable 2 Heat/1 Cool Thermostat for Home, Digital Household Thermostat Compatible with Heat Pump with Auxiliary Heating and Conventional 2H/1C Multi-Stage System
The T21 Programmable 2H/1C Thermostat excels in flexibility, supporting multi-stage heat pumps, conventional systems, and auxiliary heat, making it a solid choice for energy-conscious households. Its 5+2 weekly programming allows for tailored schedules, similar to the Programmable Thermostat for House, but with added compatibility for multi-stage heat pumps. Its dual power options (24VAC or AA batteries) and no C-wire requirement appeal to DIYers upgrading older systems. Nonetheless, it does require a C-wire for optimal performance in 2H/1C systems, which could complicate installs. This model makes sense for users who want detailed scheduling options and system versatility, especially with heat pumps that include auxiliary heat support.
Pros:- Supports multi-stage heat pump and conventional systems
- Flexible 5+2 weekly programming for custom schedules
- Memory retention during power outages
Cons:- Requires C-wire for optimal operation in 2H/1C systems
- Dual power options may lead to confusion or battery replacement needs
- No smart home integration mentioned
Best for: Homeowners with multi-stage heat pump systems needing detailed weekly programming and system flexibility.
Not ideal for: Buyers with very basic needs or systems without C-wire, as the setup can be more involved and the manual is essential for proper installation.
Bottom line: Best suited for households with complex systems seeking customizable scheduling and system compatibility.
Programmable Thermostat for House, 1 Heat/1 Cool, Extra Large Display, White Backlight
This thermostat offers broad compatibility with forced air, electric furnaces, and heat pumps without auxiliary heat, making it a good fit for straightforward setups. Its large, backlit LCD display ensures easy reading, comparable to the NonProgrammable Thermostat for Home, but with added programmability. The pre-set 7-day energy-saving schedule is ideal for users who prefer automatic control without smart features. However, it cannot support heat pumps with auxiliary heat, limiting its use in more advanced heat pump systems. This choice is best for those who want a simple, reliable thermostat that installs easily within 30 minutes and avoids complicated programming.
Pros:- Large, easy-to-read backlit LCD display
- Simple installation within 30 minutes
- Pre-set energy-efficient 7-day program
Cons:- Not compatible with heat pump systems with auxiliary heat
- Limited advanced features or smart home integration
- Designed for single-stage systems only
Best for: Homeowners with basic heating/cooling systems, including simple heat pumps without auxiliary heat, seeking straightforward operation.
Not ideal for: Users with heat pumps that include auxiliary heat, as this thermostat cannot control those features properly.
Bottom line: Excellent for basic systems where simplicity and quick setup are priorities, but not for complex heat pump configurations.
Programmable Thermostat, Thermostat for Home HVAC Systems,Multi-Stage, 2 Heat/2 Cool, White Backlight
The Programmable 2H/2C Thermostat is tailored for multi-stage systems, including heat pumps, electric, and gas, offering advanced control features. Compared to simpler models like the NonProgrammable Thermostat for Home, it supports more complex setups, making it suitable for larger or more sophisticated HVAC systems. Its 7-day programmable schedule and large LCD backlight facilitate easy operation. Still, it does not support heat pumps with auxiliary or emergency heat, which limits its use with some heat pump configurations. The quick 30-minute installation and intuitive controls make it accessible for DIY projects. This thermostat makes sense for those with multi-stage systems who want reliable, flexible programming without smart home features.
Pros:- Supports multi-stage heat/cool systems
- Easy-to-use large backlit LCD display
- Flexible 7-day programming menus
Cons:- Incompatible with heat pump auxiliary/emergency heat
- No Wi-Fi or smart home connectivity
- Limited to non-smart, manual control
Best for: Owners of multi-stage HVAC systems, including heat pumps without auxiliary heat, seeking precise control and programmability.
Not ideal for: Consumers with heat pumps that include auxiliary or emergency heat, since this model cannot manage those functions.
Bottom line: Best for users with multi-stage systems who want detailed control without additional smart features.
Thermostat for Heat Pump, NonProgrammable Thermostat for Home, Conventional Single-Stage Systems, 2 Heat/1 Cool Heat Pump Or 1 Heat/1 Cool, Easy DIY Install
This nonprogrammable thermostat provides a straightforward solution for single-stage heat pumps and conventional systems, making it comparable to the Programmable Thermostat for House but without scheduled programming. Its simple design and easy installation appeal to those who prefer manual control and minimal setup. It supports 2 heat/1 cool heat pump configurations and is compatible with forced air and electric furnaces. However, it cannot handle heat pumps with auxiliary or emergency heat, which is a notable limitation. Its dual power supply—via 24VAC or batteries—adds flexibility, but the lack of programmability makes it less suitable for energy-conscious users who want automation. This model suits buyers who value simplicity over advanced features.
Pros:- Simple, easy-to-install design
- Supports 2 heat/1 cool heat pump systems
- Flexible power options (24VAC or batteries)
Cons:- No programmable scheduling features
- Cannot control heat pumps with auxiliary or emergency heat
- Limited smart features or remote access
Best for: Homeowners with basic heat pump systems that do not require scheduled control, prioritizing ease of installation and manual operation.
Not ideal for: Users with heat pumps that include auxiliary or emergency heat, as this thermostat cannot manage those features.
Bottom line: Best for basic heat pump setups where manual control and easy installation are the priorities over automation.
Honeywell Home RTH8560D 7-Day Programmable Touchscreen Thermostat
This model stands out for its intuitive touchscreen interface, making setup and daily adjustments straightforward—especially compared to more complex options like the Thermostat for Home, Premium Heat Pump Room Temperature Controller. It offers flexible 7-day programming and adapts to your habits with its Smart Response Learning technology, ensuring comfort with minimal effort. While it supports multiple heating and cooling systems, including heat pumps with auxiliary heat, it may require professional installation for complicated wiring setups, which could be a drawback for do-it-yourselfers. Its clear display and simple controls make it ideal for those who want reliable, hassle-free operation without sacrificing system compatibility. However, it lacks advanced features like remote control via app or voice assistants, limiting smart home integration. Overall, this pick makes the most sense for homeowners seeking easy installation, broad system support, and a friendly user experience.
Pros:- Intuitive touchscreen interface with backlit display
- 7-day programmable scheduling for tailored comfort
- Smart Response Learning adapts to user preferences
- Supports multiple system types including heat pumps with auxiliary heat
Cons:- May need professional installation for complex wiring
- No built-in Wi-Fi or app control for remote adjustments
Best for: Homeowners who prioritize ease of use, flexible scheduling, and compatibility with various heat pump setups
Not ideal for: Tech-savvy users seeking remote control, smart home integration, or advanced customization options
- Thermostat Type:Programmable
- Controller Type:Touch Screen
- Compatibility:Single/multistage heat/cool, heat pumps with/without auxiliary, furnaces, central AC
- Power Options:Battery or hard-wire
- Display Type:Backlit Touchscreen
- Programmable Days:7-day
- Learning Technology:Smart Response
- Installation:Professional recommended for complex systems
Bottom line: This thermostat is perfect for those who want a reliable, easy-to-install solution compatible with most heat pump systems.
This thermostat makes a compelling choice for users who value simplicity and clarity, especially compared to the more feature-rich Honeywell RTH7600D. Its large LCD display and straightforward push-button controls are designed for easy operation, making it ideal for those who want minimal fuss in managing their heat pump systems with auxiliary heat. It supports a wide range of systems, including multi-stage heat pumps, but explicitly excludes dual fuel or multi-stage systems, so check compatibility carefully. The device is battery-powered with a simple front-load battery compartment, and its calibration features help optimize system performance, though it lacks advanced features like Wi-Fi or app connectivity. This model makes the most sense for retirees or those who prefer manual control with a clear, easy-to-read interface. However, it does not support remote adjustments or integration with smart home systems, which could be a limitation for tech enthusiasts.
Pros:- Large, easy-to-read LCD display with backlight
- Simple push-button controls for quick adjustments
- Supports multiple heat pump and single-stage systems
- Battery-powered with front-load batteries for easy replacement
Cons:- No Wi-Fi or remote control capabilities
- Limited system compatibility—excludes dual fuel and multi-stage systems
- Lacks advanced scheduling or learning features
Best for: Older adults or users seeking a straightforward, large-display thermostat for heat pump systems without smart features
Not ideal for: Tech-savvy homeowners wanting remote control or integration with smart home assistants
- Controller Type:Push Button
- Display Type:Large LCD with Backlight
- Compatibility:Multi-stage heat pumps, single-stage systems
- Power Source:Battery
- Temperature Control:Calibratable
- Additional Features:Swing adjustment, compressor delay
- Installation:Easy DIY within 30 min
- Size:5″ x 3.8″ x 1.02″ (approx)
Bottom line: Ideal for users who prioritize a large display and simple manual operation over smart features or remote access.
Honeywell Home RTH7600D 7-Day Programmable Touchscreen Thermostat, White
This model earns its place for its user-friendly large touchscreen and advanced programming capabilities, surpassing the NonProgrammable Thermostat for Home in customization options. It offers a 7-day schedule with four periods per day, along with Smart Response Technology that learns how long your system takes to reach temperature, enhancing comfort and efficiency. It is compatible with heat pumps with auxiliary heat, making it versatile for various systems, but it is less suitable for users who prefer manual controls or simple operation. Its real-time clock and filter alerts are added conveniences, though it doesn’t have Wi-Fi or voice control. This thermostat makes the most sense for busy households seeking detailed control with a straightforward interface, but not for those wanting smart home integration or remote access.
Pros:- Large, easy-to-use touchscreen display
- 7-day programmable schedule with 4 periods per day
- Smart Response Technology for adaptive comfort
- Supports heat pump systems with auxiliary heat
Cons:- No Wi-Fi or remote app control
- Requires initial setup and programming for best use
- Higher price point compared to basic models
Best for: Consumers looking for flexible weekly programming with system learning features and easy touchscreen operation
Not ideal for: Homeowners who prefer simple, non-programmable thermostats without need for detailed scheduling
- Thermostat Type:Programmable
- Display Size:Large Touchscreen
- Compatibility:Heat pump with auxiliary, multi-stage heat/cool
- Control Method:Touchscreen
- Programming:7-day, 4 periods/day
- Features:Smart Response, filter alert, real-time clock
- Power:Wired
- Size:Approx 6″ x 3.75″ x 1.25″
Bottom line: This thermostat suits users who want detailed scheduling and system learning without sacrificing ease of use.
NonProgrammable Thermostat for Home, Single-Stage Systems,Digital Energy-Saving Thermostat,1 Heat/1 Cool, Easy DIY Install,White Backlight
This thermostat is ideal for users who want simple, immediate control over their heat pump systems, especially compared to the complex Honeywell RTH7600D. Its small size and straightforward push-button operation make it perfect for those who prefer manual adjustment without the need for scheduling. It supports a wide array of single-stage systems, including heat pumps with auxiliary heat, but it excludes multi-stage or programmable features, limiting flexibility. The backlit LCD ensures visibility in low-light conditions, and it can be powered by batteries or 24VAC power, adding to its convenience. This pick makes the most sense for DIY homeowners or retirees who value straightforward operation over advanced features, though it lacks remote access or smart home compatibility. For those seeking automation or detailed scheduling, this would likely be insufficient.
Pros:- Compact size with clear backlit LCD
- Simple push-button controls for quick adjustments
- Supports a wide range of single-stage heat pump systems
- Flexible power options with battery or wired connection
Cons:- No scheduling, automation, or smart features
- Limited to single-stage systems; not suitable for multi-stage setups
- Lacks remote or app control
Best for: Homeowners who want immediate control, simple setup, and manual operation for heat pump systems
Not ideal for: Users looking for programmable schedules or remote control via smartphone
- Controller Type:Push Button
- Display Type:Backlit LCD
- Compatibility:Single-stage heat/cool, heat pumps with auxiliary
- Power Source:Battery or 24VAC
- Control Method:Manual Push Buttons
- Size:Small, approx 4″ x 2″
- Features:Simple on/off, temperature adjustment
- Installation:DIY-friendly
Bottom line: This thermostat is perfect for users who prioritize straightforward, manual control over their heat pump system without the need for scheduling or remote access.
How We Picked
The selection process focused on models specifically compatible with heat pump systems featuring auxiliary heating, emphasizing control capabilities, ease of installation, and energy management features. We evaluated each thermostat’s ability to handle multi-stage systems, compatibility with smart home platforms, and user interface clarity. Value was also a key factor—balancing affordability with essential functionalities. The rankings reflect the overall performance and suitability for different types of users, from DIY enthusiasts to advanced homeowners seeking maximum control.Factors to Consider When Choosing Best Smart Thermostats For Heat Pump Systems With Auxiliary Heat
Choosing the right smart thermostat for a heat pump with auxiliary heat requires understanding several key factors. These devices must not only control your primary heating and cooling but also seamlessly manage auxiliary heat to optimize efficiency and comfort. Beyond basic features, consider compatibility, user interface, and smart integrations. Making the right choice can prevent costly mistakes and maximize your system’s performance.Compatibility with Your Heat Pump System
Not all thermostats are compatible with heat pumps that include auxiliary heat. Verify that the device supports multi-stage heating and cooling, especially if your system relies on auxiliary heat for cold weather. Compatibility with your existing wiring, especially C-wire support, is also essential to avoid installation headaches and ensure reliable operation.
Control and Programming Features
Look for thermostats that offer detailed scheduling, adaptive learning, and multi-stage control. These features help optimize energy use by managing auxiliary heat precisely, reducing unnecessary operation and saving money. Simpler models may lack these capabilities, making them less suitable for systems where auxiliary heat management is critical.
Ease of Installation and Setup
Ease of installation varies widely. Models with straightforward wiring instructions and clear interfaces save time and reduce errors. For those less comfortable with wiring, choosing thermostats with DIY-friendly features and comprehensive guides can prevent frustration and ensure proper setup for complex heat pump systems.
Smart Features and Integrations
Many modern thermostats offer Wi-Fi connectivity, voice control, and app-based management. These features make ongoing control and monitoring simpler but can add to the cost and complexity. Assess whether smart integrations are necessary for your home setup or if a basic programmable thermostat suffices.
Energy Efficiency and Cost Savings
Effective management of auxiliary heat can significantly impact energy bills. Select thermostats that support energy-saving modes, adaptive scheduling, and detailed usage reports. While more advanced models may come at a higher upfront cost, they often deliver greater savings over time through smarter operation.
Frequently Asked Questions
Will a smart thermostat automatically control auxiliary heat on my heat pump?
Many smart thermostats can automatically manage auxiliary heat if they support multi-stage control and are compatible with your system. However, not all models have this capability by default, so verifying compatibility and features is vital. Proper setup ensures auxiliary heat is activated only when necessary, improving efficiency and comfort.
Can I install a smart thermostat myself on a heat pump system with auxiliary heat?
Installation depends on your system’s wiring and complexity. Many models are designed for DIY installation with clear instructions, but systems with auxiliary heat may require extra care. If wiring is complicated or unfamiliar, consulting a professional can prevent damage and ensure correct operation, especially for multi-stage systems.
What features should I prioritize if I want maximum energy savings?
Focus on thermostats with multi-stage control, adaptive scheduling, and energy reports. These features help fine-tune auxiliary heat operation, avoiding unnecessary energy use. Even with these, proper setup and understanding your system’s specifics are essential to realize savings.
Are more expensive thermostats worth the investment for heat pump systems?
Higher-priced models often offer more precise control, better compatibility with complex systems, and advanced smart features. If your system relies heavily on auxiliary heat or you value detailed energy management, investing in a premium thermostat can lead to greater efficiency and comfort, offsetting the initial cost.
How important is a large display and easy-to-use interface?
A large, backlit display enhances daily usability, especially when adjusting settings or troubleshooting. For households with multiple users or elderly members, an intuitive interface reduces errors and improves overall satisfaction. This feature can make a significant difference in ease of use, even if other advanced controls are less critical.
Conclusion
For general users seeking reliable performance and ease of use, the Honeywell RTH8560D offers a solid balance of features at an accessible price. Those with complex heat pump systems or a desire for maximum control should consider the T21 Programmable Thermostat for its multi-stage capabilities. Budget-conscious buyers can opt for simpler models like the NonProgrammable Thermostat, while premium users will appreciate the enhanced controls of the Premium Heat Pump Thermostat with Large Blue Backlight. Beginners should prioritize models with straightforward setup, whereas advanced homeowners should look for thermostats that support detailed energy management and smart integrations.
