9 Best Smart Thermostats for Heat Pumps (November 2026)
The best smart thermostats for heat pumps include the ecobee Smart Thermostat Essential for common heat pump setups, the Google Nest Thermostat for Google Home households, and the Sensi Smart Thermostat for button controls.
On this page (6 sections)
The best smart thermostat for a heat pump is one that supports your system's stages and auxiliary heat wiring. The Honeywell T6 Pro lists support for up to 3 heat and 2 cool heat pump stages, while ecobee's Essential specifies heat pump support up to 2H/1C.
The right smart thermostat heat pump setup depends on more than app features. If your equipment calls only for heat, see smart thermostats for heat-only systems.
Check your indoor and outdoor equipment, thermostat wires, and whether auxiliary heat is electric or part of a dual fuel system.
For a broader compatibility overview, start with what HVAC systems work with smart thermostats. A heat pump thermostat guide explains common controls and wiring terms.
Our picks at a glance
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1
Best for common heat pump setupsecobee Smart Thermostat Essential
9.6/10 our score
See it on Amazon -
2
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3
- 4
Check itecobee Smart Thermostat Premium
Best for room sensors - 5
Check itMysa Smart Thermostat LITE for Electric Baseboard
Best for electric baseboard heat - 6
Check itecobee Smart Thermostat Enhanced
Best for occupancy based comfort - 7
Best for Alexa controlCheck it - 8
Check itRiseem WiFi Thermostats for Home Smart Thermostat
Best for conventional single-stage systems - 9
Check itPlayhardest Honeywell TH6320WF2003 T6 Pro Smart Thermostat
Best for multiple heat pump stages
How we compared smart thermostats for heat pumps
The most useful comparison points are stated heat pump stages, auxiliary heat notes, power requirements and control options. We compared those details and gave more weight to clear heat pump compatibility than to general smart features.
Our score weighs specs, features and buyer feedback against what you're shopping for. A model with unspecified stage support may still fit, but you should verify its compatibility before choosing it for a heat pump.
Heat pump smart thermostat comparison
The T6 Pro and ecobee Essential provide the clearest stated heat pump stage information in this group. Several other smart thermostats may work with some heat pump systems, but their stage and auxiliary heat details need confirmation.
| Product | Best for | Heat pump stages | Power | C-wire | Our score |
|---|---|---|---|---|---|
| ecobee Smart Thermostat Essential | common heat pump setups | 2H/1C | 24 VAC HVAC equipment | Power Extender Kit sold separately if needed | 9.6 |
| Google Nest Thermostat | Google Home households | 9.4 | |||
| Sensi Smart Thermostat | button controls | Confirm exact system compatibility | C-wire not required in most applications | 9.3 | |
| ecobee Smart Thermostat Premium | room sensors | Confirm exact system compatibility | Power Extender Kit included for homes without a C-wire | 9.2 | |
| Mysa Smart Thermostat LITE for Electric Baseboard | electric baseboard heat | 9.2 | |||
| ecobee Smart Thermostat Enhanced | occupancy based comfort | Confirm exact system compatibility | Power Extender Kit included for homes without a C-wire | 9.1 | |
| Amazon Smart Thermostat | Alexa control | Confirm exact system compatibility | C-wire required | 9.0 | |
| Riseem WiFi Thermostats for Home Smart Thermostat | conventional single-stage systems | C-wire required | 8.8 | ||
| Playhardest Honeywell TH6320WF2003 T6 Pro Smart Thermostat | multiple heat pump stages | 3H/2C | 8.7 |
Best smart thermostats for heat pumps
These smart thermostat heat pump options cover different wiring needs and stages. Treat compatibility as a system match, not a general brand feature.
ecobee Smart Thermostat Essential: Best for common heat pump setups
- Heat pump support up to 2H/1C
- Works with most 24 VAC HVAC equipment
- Power Extender Kit sold separately for homes without a C-wire
The Essential supports heat pumps up to 2H/1C and offers app and touchscreen control. Check compatibility for your exact equipment and wiring before choosing it.
Pros
- Heat pump support up to 2H/1C
- Works with Apple HomeKit, Google Assistant and Alexa
- Power Extender Kit option for homes without a C-wire
Cons
- Does not specify support above 2H/1C
- Power Extender Kit is sold separately
The ecobee Smart Thermostat Essential is a strong starting point for common heat pump systems because it specifies support for 2H/1C heat pumps. It also works with most 24 VAC HVAC equipment, though ecobee recommends checking the exact system with its compatibility checker.
The touchscreen and ecobee app let you adjust temperature, while schedules can change settings when you're away or home. It works with Apple HomeKit, Google Assistant and Alexa.
Homes without a C-wire may need ecobee's Power Extender Kit, which is sold separately for this model. Check both thermostat wiring and the heat pump's auxiliary heat configuration before installation.
Choose it when your system falls within the stated 2H/1C support and you want connected schedule control. For more detail, see whether an ecobee thermostat works with a heat pump.
Google Nest Thermostat: Best for Google Home households
- Programmable schedule through Google Home
- Remote control by phone, laptop or tablet
- Some heat pump systems need a C-wire or compatible power accessory
Nest offers app scheduling and remote control, with a specific power caveat for some heat pump systems. Confirm compatibility and C-wire needs before buying.
Pros
- Remote control through Google Home
- Programmable schedule
- HVAC monitoring alerts for eligible systems
Cons
- Some heat pump systems need a C-wire or power accessory
- Heat pump stage support is not specified here
The Google Nest Thermostat is a fit for households that already use Google Home scheduling and remote control. It can turn the temperature down when you leave and lets family members adjust settings from a phone, laptop or tablet.
The key check is power: some heat pump systems need a C-wire or compatible power accessory. Nest does not specify heat pump stages in the details here, so use Google's compatibility checker and compare the result with your system wiring.
The thermostat also offers HVAC monitoring alerts for eligible systems. Those alerts can flag a potential issue, but they are not a diagnosis of the equipment.
Pick Nest when its compatibility check confirms your system and Google Home control fits your household. Read whether you can use a Nest thermostat with a heat pump before deciding.
Sensi Smart Thermostat: Best for button controls
- Wi-Fi and app control
- Common wire not required in most applications
- Flexible scheduling and usage reports
Sensi has a familiar button layout and app scheduling. Its general compatibility details do not state heat pump stages, so verify your system before selecting it.
Pros
- Button control resembles a traditional thermostat
- C-wire not required in most applications
- Usage reports and maintenance reminders
Cons
- Heat pump stage support is not specified here
- Confirm compatibility for auxiliary heat wiring
Sensi uses buttons and a familiar thermostat layout, while the app adds flexible schedules, remote access and usage reports. Its common wire is not required in most applications, but that alone does not confirm that every heat pump configuration is supported.
The available details do not specify heat pump stages or auxiliary heat terminals. Check the exact model against your equipment and wiring, especially if the system uses multiple stages or backup heat.
Sensi also offers equipment alerts and maintenance reminders such as filter replacement. These can help keep routine tasks visible while you manage temperature remotely.
Choose it if you prefer physical buttons and its compatibility information confirms the system match. Our guide to using a Sensi thermostat with a heat pump covers the model-specific check.
ecobee Smart Thermostat Premium: Best for room sensors
- SmartSensor included
- Power Extender Kit included for homes without a C-wire
- Compatible with 95% of HVAC systems
The included SmartSensor can help prioritize comfort in occupied rooms. Check the compatibility tool for heat pump stages and auxiliary heat support.
Pros
- SmartSensor included
- Power Extender Kit included
- App and voice control options
Cons
- Heat pump stage support is not specified here
- Confirm auxiliary heat compatibility for your equipment
The ecobee Smart Thermostat Premium includes a SmartSensor that detects temperature and movement in the room where you place it. That can help address rooms that differ from the thermostat's hallway reading, and the Power Extender Kit is included for homes without a C-wire.
Ecobee says this model is compatible with 95% of HVAC systems, but that broad figure does not identify its supported heat pump stages. Confirm auxiliary heat support through the compatibility checker before installation.
The Premium also has a built-in air quality monitor and a speaker with Siri or Alexa. These extras may appeal if you want more home controls at the thermostat, though the system match should come first.
Pick it if room sensing and included power accessories matter to you, after verifying heat pump compatibility. Its setup is one example of how a smart thermostat can work with different HVAC systems.
Mysa Smart Thermostat LITE for Electric Baseboard: Best for electric baseboard heat
- For 120V or 240V line-voltage heaters
- Requires 4 wires, including neutral or a second live wire
- Does not work with 24V central heat pumps
Mysa is for line-voltage electric heaters, not central heat pumps. It belongs in this comparison as a clear example of why system voltage and type matter.
Pros
- Supports specified 120V or 240V heaters
- App scheduling and remote control
- Works with HomeKit, Alexa and Google
Cons
- Not compatible with 24V central heat pumps
- Requires 4 wires
The Mysa Smart Thermostat LITE is made for 120V or 240V line-voltage electric heaters, including baseboard, wall and convector heaters. It does not work with 24V central heat pumps, so this model is not a substitute for a conventional heat pump thermostat.
Mysa requires 4 wires, including a neutral or a second live wire. The app offers scheduling, remote adjustment and geofencing, with HomeKit, Alexa and Google compatibility.
This distinction matters in homes with more than one heating system. A room's electric baseboard heater may need a line-voltage control, while a central heat pump uses a separate low-voltage thermostat.
Choose Mysa only for a compatible line-voltage heater. If your home has a boiler alongside another system, compare controls in our best smart thermostat for boiler guide.
ecobee Smart Thermostat Enhanced: Best for occupancy based comfort
- Compatible with 90% of HVAC systems
- Power Extender Kit included for homes without a C-wire
- Occupancy sensing and app control
The Enhanced combines occupancy sensing, scheduling and remote control. Verify heat pump stages and auxiliary heat operation with ecobee's compatibility checker.
Pros
- Power Extender Kit included
- Occupancy sensing and remote app control
- Works with major smart home systems
Cons
- Heat pump stage support is not specified here
- Confirm auxiliary heat compatibility for your equipment
The ecobee Smart Thermostat Enhanced uses occupancy sensing and scheduling to adjust temperatures when people are home, away or asleep. It also supports remote app control and works with Alexa, Google Assistant, Apple HomeKit and SmartThings.
The model is described as compatible with 90% of HVAC systems, but the available details do not specify heat pump stages or auxiliary heat terminals. Use ecobee's compatibility checker with your exact equipment details before buying.
A Power Extender Kit and trim kit are included for most installations, and SmartSensors can be added separately for room-by-room comfort. The 3-year warranty is another stated feature.
This is a reasonable option if its compatibility check confirms your heat pump setup and you want occupancy-based adjustments. Ask the installer to verify auxiliary heat settings if your wiring is unfamiliar.
Amazon Smart Thermostat: Best for Alexa control
- C-wire required
- Alexa app remote control
- Works with Alexa and Ring
The Amazon Smart Thermostat suits Alexa households, but a C-wire is required. Confirm heat pump and auxiliary heat compatibility before buying.
Pros
- Alexa app remote control
- Can use select Echo devices for comfort zones
- Installation guidance through the Alexa app
Cons
- C-wire required
- Heat pump stage support is not specified here
The Amazon Smart Thermostat is designed for Alexa control and requires a C-wire. You can set temperatures from the Alexa app or ask Alexa to switch among home, away and sleep settings.
The available details do not specify heat pump stages or auxiliary heat support. Confirm that Amazon's compatibility guidance accepts your equipment before buying, and account for the required C-wire.
Select Echo devices or the Amazon Smart Air Quality Monitor can help create comfort zones using temperature readings or presence detection. The installation steps are guided through the Alexa app.
Choose it for an Alexa-centered home only after confirming it supports the heat pump and wiring you have. For a battery-focused alternative, see our best battery powered smart thermostat guide.
Riseem WiFi Thermostats for Home Smart Thermostat: Best for conventional single-stage systems
- Conventional single-stage 1H/1C only
- C-wire required
- Does not work with heat pumps
Riseem is not a heat pump thermostat. Its stated compatibility is limited to conventional single-stage equipment, so heat pump owners should rule it out.
Pros
- Remote app control
- 7-day scheduling
- Clear system limits
Cons
- Does not work with heat pumps
- C-wire required
The Riseem WiFi Thermostat is not compatible with heat pumps. It is limited to conventional single-stage 1H/1C systems and requires a C-wire, so heat pump owners should exclude it even though it offers app control and scheduling.
Its compatibility notes also rule out multi-stage systems and several other equipment types. Incorrect system matching can lead to abnormal operation, according to Riseem's product information.
This option only belongs in a comparison because the word “smart thermostat” does not guarantee heat pump support. Confirm the equipment type before considering any thermostat, and do not use this model for a heat pump.
Playhardest Honeywell TH6320WF2003 T6 Pro Smart Thermostat: Best for multiple heat pump stages
- Supports 3H/2C heat pump stages
- Dual fuel and ventilation control
- Wi-Fi touchscreen
The T6 Pro offers the clearest stated support for multi-stage heat pumps in this group. Confirm the exact wiring and auxiliary heat configuration with the installer or system documentation.
Pros
- 3H/2C heat pump stage support
- Dual fuel and ventilation control
- Scheduling and geofencing
Cons
- Confirm auxiliary heat terminals against your system
- Heat pump wiring details need careful verification
The Playhardest Honeywell TH6320WF2003 T6 Pro gives the clearest support for multi-stage heat pumps here: up to 3H/2C. It also lists dual fuel and ventilation control, plus Wi-Fi touchscreen access through the Honeywell Home platform.
Its stage capacity may suit equipment with more than one heating or cooling stage. Still, verify that the terminal setup and auxiliary heat configuration match your system, particularly for dual fuel equipment.
The T6 Pro supports flexible scheduling or geofencing and uses the UWP mounting system standard across T Series thermostats. Its stated heat pump stages make it a candidate for more complex systems, though professional wiring checks can help prevent setup errors.
Choose it when your heat pump needs the stated stage capacity and the wiring is confirmed. A thermostat's stage rating does not replace matching its terminals to your equipment.
How do you choose the right heat pump thermostat?
Choose by matching the thermostat's supported stages, auxiliary heat setup and wiring to your heat pump. App control, sensors and smart home links are useful only after the equipment match is clear.
Start with the thermostat's existing wire labels and your system documentation. Look for O/B reversing valve wiring, auxiliary or emergency heat terminals, and whether the equipment is single-stage, multi-stage or dual fuel.
Then check power needs. Some thermostats require a C-wire, while others include or offer a power accessory; a thermostat that powers on is not automatically configured correctly for your system.
If your setup uses emergency heat, ask whether it is electric backup or a dual fuel arrangement. Those systems can need different thermostat settings and wiring, so use the manufacturer's compatibility tool or an HVAC professional when details are unclear.
What is the difference between auxiliary and emergency heat?
Auxiliary heat is backup heat that can run with a heat pump when extra warmth is needed, while emergency heat is a setting that may run backup heat without the heat pump. Exact operation depends on the equipment and thermostat configuration.
A heat pump can use auxiliary heat during cold conditions or defrost cycles, depending on the system design. The thermostat must be set up to control the backup heat correctly.
Don't assume that a thermostat's general heat pump compatibility covers every auxiliary or emergency heat arrangement. Confirm the terminals, system stages and configuration guide for your model.
Our guide explains what a heat pump thermostat is and how its controls work. If humidity is a concern, see how smart thermostats control humidity.
Which smart thermostat for a heat pump should you choose?
Choose the ecobee Essential if your system matches its stated 2H/1C support, the Nest if Google Home control matters and compatibility is confirmed, or the T6 Pro when you need the listed 3H/2C heat pump stages. The Sensi, Premium, Enhanced and Amazon models need exact system compatibility checks.
A thermostat should match your wiring and backup heat before you compare app features. Start with the heat pump's stage count and auxiliary heat configuration, then confirm the model through its compatibility tool.
Our top 3 picks at a glance
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1
Best for common heat pump setups
ecobee Smart Thermostat Essential
9.6/10 our score
See it on Amazon -
2
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3
Frequently asked questions
What should I check before choosing a smart thermostat for a heat pump?
Check the heat pump's number of heating and cooling stages, whether it uses auxiliary or emergency heat, and the thermostat wires at the wall. Then compare those details with the thermostat's compatibility checker or installation guide.
A thermostat can connect to Wi-Fi and still lack the terminals your system needs.
Can a smart thermostat control auxiliary heat?
Some can, but support depends on the thermostat model and your heat pump wiring. Confirm that the thermostat supports your auxiliary heat setup and that its installation instructions match your equipment before changing controls.
An HVAC professional can verify unfamiliar wires and settings.
Does a heat pump need a C-wire for a smart thermostat?
It depends on the thermostat and heat pump. Nest notes that some heat pump systems need a C-wire or compatible power accessory, while ecobee includes or offers a Power Extender Kit on several models.
Check the specific model requirements and your wiring before installation.
Can I use an electric baseboard thermostat with a central heat pump?
No. The Mysa Smart Thermostat LITE is designed for 120V or 240V line-voltage heaters and states that it does not work with 24V central heat pumps.
System voltage and equipment type must match the thermostat.
