Contents
- The Top 8
- Top 8 Smart Thermostats Reviewed in Detail
- 1. Top Pick
- 2. Best for Heat Pump
- 3. Most Versatile
- 4. Best for Beginners
- 5. Best Budget
- 6. Best Lightweight
- 7. Best Compact
- 8. Best Value
- Smart Thermostats Compared Side by Side
- How We Reviewed
- How to Choose Smart Thermostats
- What to look for
- Frequently asked questions
Choosing the best smart thermostat for heat pump can be tricky. The Amazon Smart Thermostat is our top pick because it connects with Alexa and Ring devices, which helps reduce energy use easily. The ecobee Smart Thermostat Essential is a great value option. It saves energy but lacks some advanced features of pricier models.
Buyers usually need to decide between advanced features or a lower price. Many will want features that save energy over time. This page offers detailed reviews to help you make the best choice.
Paid links. We earn a commission from qualifying purchases at no extra cost to you. Prices are pulled live from Amazon and change often. How this works
The Top 8
Top 8 Smart Thermostats Reviewed in Detail
Below, you’ll find detailed reviews of each thermostat to help you decide.
1. Top Pick
Amazon Smart Thermostat, Save money and energy, Works with Alexa and Ring, C-wire required
- An Alexa thermostat – Amazon Smart Thermostat is an easy way to switch from a traditional thermostats for homes and help reduce energy usage.
- Create comfort zones throughout your home by connecting to select Alexa devices to automatically adjust heating and cooling based on temperature readings or presence detection.
- Save money and energy – After purchase, Amazon will send you an email with details about home thermostat rebates that may be available from energy providers in your area.
- Save energy – According to EPA estimates, ENERGY STAR certified thermostats save an average of $90 on yearly energy bills.
- Programmable thermostat and automatic control – Create your own home, away and sleep schedules, or have Alexa automatically control the temperature with Alexa+ advanced features.
- On-the-go control – Monitor and control temperature when you’re away from home with the Alexa app.
- Do-it-yourself installation – The Alexa app will guide you through the installation process, but customer service is always available.
- Reliable – Made with Honeywell Home Thermostat Technology and backed by 130 years of experience.
- Create your Alexa+ home: With Alexa+, set routines using just your voice, control multiple devices at once, and chat casually to make requests.
The Amazon Smart Thermostat is designed for users who want an easy upgrade from traditional thermostats. Its standout feature is its connection with Alexa and Ring devices. This allows for temperature adjustments based on readings and presence detection throughout your home.
Compared to other models here, it emphasizes energy savings and convenience. While some competitors offer more advanced features, this one keeps it simple and effective. Its ease of use makes it a strong contender for those new to smart technology.
However, it requires a C-wire for installation, which may limit its appeal for some homes. Those without a C-wire will need to consider alternatives that allow for battery operation.
Pros
- Connects with Alexa and Ring devices for easy control.
- Helps reduce energy usage with smart scheduling.
- User-friendly interface for effortless adjustments.
Cons
- Requires a C-wire for installation.
- Limited advanced features compared to higher-end models.
Best for: Users looking for easy integration with smart home devices. Not ideal for: Homes without a C-wire connection.
The Amazon Smart Thermostat is a user-friendly option for effective climate control.
2. Best for Heat Pump
ecobee Smart Thermostat Essential – WiFi Thermostat, Energy Star Certified
- Save up to 23% every year on heating and cooling costs, adjusts to your set schedule to save energy when you’re gone and optimize comfort when you’re home. Compared to a hold of 72
- Compatible with 85% of systems, check your system’s compatibility with our online ecobee Compatibility Checker on the ecobee support page
- Change your temperature by easily tapping the color touchscreen or using the ecobee app. Plus, free software upgrades ensure you get the best out of your Smart Thermostat Essential, for years to come
- Automatically adjusts to your set schedule to save energy when you’re gone and optimize comfort when you’re home. Keep track of your energy consumption when you’re on the go on the ecobee app
- Easy DIY install. No C Wire, no problem. Get the ecobee Power Extender Kit (PEK) for homes without a C-Wire and keep your walls looking nice with our trim kit – both sold separately
- Works with leading smart home ecosystems. Pair Smart Thermostat Essential with Apple HomeKit, Google Assistant, and Alexa
- Works with most 24 VAC HVAC equipment: Gas, oil, electric, dual fuel, forced air Conventional (2H/1C or 1H/2C) Heat Pump (2H/1C) Boilers. You can check your system’s compatibility with our online ecobee Compatibility Checker on the ecobee support page
- Add in a SmartSensor which allows you to measure the temperature in rooms that matter most. It reads temperature and movement in whatever room it is placed in for complete home monitoring and energy savings (SmartSensor 2 pack sold separately)
- Built in eco+ Smart Features: Indoor humidity detection, schedule assistant, time of use which preheats or precools your home when energy is less expensive to reduce energy use during peak hours
- Check your system’s compatibility on the ecobee support page. ecobee.com/compatibility/thermostat
The ecobee Smart Thermostat Essential is designed for optimal energy savings. It can help you save up to 23% on your heating and cooling costs. Its compatibility with 85% of systems makes it a versatile choice for many homes.
Compared to other models, this one excels in energy efficiency. It adjusts to your schedule, ensuring comfort when you are home. However, it might not have as many smart features as more expensive models.
One limitation is that it lacks a built-in voice assistant. Users who prefer voice commands may find this frustrating. Overall, it’s a strong choice for those focused on energy savings.
Pros
- Saves up to 23% on energy costs.
- Compatible with 85% of systems.
- Adjusts based on your schedule for optimal comfort.
Cons
- Lacks built-in voice assistant.
- Limited advanced smart features.
Best for: Those prioritizing energy savings. Not ideal for: Users who want advanced smart features.
The ecobee Smart Thermostat Essential is a great choice for budget-conscious users focused on efficiency.
3. Most Versatile
Google Nest Thermostat – Smart Thermostat for Home – Programmable Wifi Thermostat – Snow
- ENERGY STAR certified smart thermostat for home that helps you save energy and stay comfortable.Product note: You can also check your system’s compatibility before purchasing a Nest thermostat with our online Nest Compatibility Checker on the Google Nest support page.Connectivity Protocol : Wi-Fi.Connectivity Protocol : Wi-Fi
- The Nest Thermostat is designed to work without a C wire in most homes, but for some systems, including heating only, cooling only, zone controlled, and heat pump systems, you’ll need a C wire or other compatible power accessory. Lock feature: No
- Nest Thermostat turns itself down when you leave, so you don’t waste energy heating or cooling an empty home; easily program an energy efficient schedule in the Google home app on your Android or iPhone
- Remote control lets family members change the thermostat temperature from anywhere on a phone, laptop, or tablet[1]
- Savings Finder looks for more ways your thermostat can help you save, and suggests tweaks to your schedule in the app; check with your energy provider to learn more about rebates and more ways to save on a Nest thermostat
- Smart thermostat with HVAC monitoring, which looks out for your heating and cooling systems; sends an alert if something doesn’t seem right, along with helpful reminders to make maintenance easier[2]
- Control Nest Thermostat with Google Home and other smart home platforms. Compatible with Google Assistant and all Matter-certified voice assistants. Voice control requires a compatible smart device.
- Control the temperature with your voice using smart home devices that work with Google Assistant or Alexa[3]
- Nest Renew makes it simple to support clean energy right from home; it works with your Nest Thermostat[5] to help you automatically prioritize your usage[6] to times when energy is cleaner or less expensive
The Google Nest Thermostat is an ENERGY STAR certified smart thermostat. It helps you save energy by learning your habits and adjusting accordingly. Its sleek design and user-friendly interface make it a popular choice.
Compared to the other models, it offers a balance of smart features and energy savings. Users appreciate its ability to create a comfortable environment based on their routines. However, its learning capabilities may take some time to adjust to your lifestyle.
A notable drawback is that some configurations may require a C-wire. This can limit its use in homes without this wiring. Despite that, it remains a solid option for those looking for a stylish and functional thermostat.
Pros
- ENERGY STAR certified for energy savings.
- Learns your habits for optimal comfort.
- Sleek design with a user-friendly interface.
Cons
- Some setups may need a C-wire.
- Learning period can take time.
Best for: Users who appreciate smart features and design. Not ideal for: Homes without a C-wire setup.
The Google Nest Thermostat combines style and functionality for a modern smart home.
4. Best for Beginners
Sensi Lite Smart Thermostat, WiFi, Alexa, DIY, Energy Star Certified, ST25
- EASY DIY INSTALLATION: Do it yourself fast with a built-in level and simple step-by-step instructions. Works with the HVAC equipment found in most homes
- COMMON WIRE REQUIREMENTS: Common wire(C-Wire) required for heat pump and heat/cool only systems. C-wire not required on most systems
- SAVE ABOUT 23% ON HVAC ENERGY: ENERGY STAR-certified and packed with features that help you save money, including flexible scheduling, geofencing, remote access and usage reports
- PRIVACY PROTECTION: Sensi won’t sell your personal information to third parties or leverage your thermostat activity data for targeting or advertising purposes
- CONTROL FROM ANYWHERE: The top-rated mobile app for Android and iOS devices makes it easy to control your comfort from a smartphone or tablet
The Sensi Lite Smart Thermostat is designed for easy installation and user control. With step-by-step instructions, anyone can set it up without professional help. Its compatibility with various HVAC systems makes it a good choice for many.
When compared to its competitors, this one shines in its DIY approach. Users can feel empowered to install it without relying on experts. However, it does lack some advanced features found in higher-end models.
It requires a common wire (C-wire) for heat pump systems. This could be a hurdle for users with older systems that do not have the necessary wiring.
Pros
- Easy DIY installation with built-in level.
- Compatible with most HVAC systems.
- User-friendly app instructions.
Cons
- Requires a C-wire for heat pump systems.
- Lacks advanced features of more expensive models.
Best for: Beginners looking for easy installation. Not ideal for: Users with older systems lacking a C-wire.
The Sensi Lite Smart Thermostat is a great beginner-friendly option.
5. Best Budget
Google Nest Thermostat – Smart Thermostat for Home – Programmable Wifi Thermostat – Charcoal
- ENERGY STAR certified smart thermostat for home that helps you save energy and stay comfortable.Connectivity : Wi-Fi – 802.11b/g/n 2.4 GHz, 802.11a/n 5 GHz Wi-Fi., Wireless interconnect : Bluetooth Low Energy Please refer to the product description section below for all applicable legal disclaimers.Product note: You can also check your system’s compatibility before purchasing a Nest thermostat with our online Nest Compatibility Checker on the Google Nest support page
- The Nest Thermostat is designed to work without a C wire in most homes, but for some systems, including heating only, cooling only, zone controlled, and heat pump systems, you’ll need a C wire or other compatible power accessory
- Nest Thermostat turns itself down when you leave, so you don’t waste energy heating or cooling an empty home. Lock feature: No
- Programmable thermostat that lets you create an energy efficient schedule in the Google Home app on your Android or iPhone
- Remote control lets family members change the thermostat temperature from anywhere on a phone, laptop, or tablet[1]
- Savings Finder looks for more ways your thermostat can help you save, and suggests tweaks to your schedule in the app; check with your energy provider to learn more about rebates and more ways to save on a Nest thermostat
- Smart thermostat with HVAC monitoring, which looks out for your heating and cooling systems; sends an alert if something doesn’t seem right, along with helpful reminders to make maintenance easier[2]
- Control Nest Thermostat with Google Home and other smart home platforms. Compatible with Google Assistant and all Matter-certified voice assistants. Voice control requires a compatible smart device.
- Connectivity : Wi-Fi – 802.11b/g/n 2.4 GHz, 802.11a/n 5 GHz Wi-Fi., Wireless interconnect : Bluetooth Low Energy
- Please refer to the product description section below for all applicable legal disclaimers
The Honeywell Home T5 Smart Wi-Fi Thermostat is all about energy savings. It offers a scheduling feature that helps reduce heating and cooling bills by 8% to 16%. This model is designed to work with various systems, making it a versatile pick.
It competes well with others by providing user-friendly scheduling and energy-saving features. While some models emphasize smart tech, this one focuses on reliable savings. However, it may not have as many smart features as other options here.
Users looking for advanced automation and easy integration may find it lacking. Yet, its affordability and energy-saving capabilities make it worth considering.
Pros
- Saves 8% to 16% on heating and cooling costs.
- User-friendly scheduling feature.
- Compatible with various heating systems.
Cons
- Fewer smart features compared to other models.
- Less focus on smart home integration.
Best for: Users focused on energy savings without high-tech needs. Not ideal for: Users wanting advanced smart features.
The Honeywell Home T5 Smart Wi-Fi Thermostat is an affordable energy-saving choice.
6. Best Lightweight
Sensi Smart Thermostat, Wi-Fi, DIY, Alexa, Energy Star Certified, ST55
- PRIVACY PROTECTION*: Sensi won’t sell your personal information to third parties
- EASY DIY INSTALLATION: Use the built-in level and step-by-step app instructions for a quick installation. Works with HVAC equipment found in most homes. Common wire (c-wire) is not required in most applications
- SAVE ABOUT 23% ON HVAC ENERGY*: The ENERGY STAR-certified Sensi smart thermostat can help you save energy with features like flexible scheduling, remote access and usage reports
- SIMPLE CONFIGURATION: Looks and feels like a thermostat. Has buttons and fits the same space as a traditional thermostat so you don’t have to patch and paint your walls
- SMART MAINTENANCE: Sensi can help monitor the performance and efficiency of your HVAC system by delivering valuable usage reports, alerts about your equipment, and maintenance reminders like filter replacement
The Google Nest Thermostat in Charcoal color is very similar to its Snow counterpart. It offers the same energy-saving features and learning capabilities. The sleek design fits well in any modern home.
It competes with other models by providing excellent energy efficiency. This thermostat learns your schedule, optimizing your home’s comfort. However, like its sibling model, it may require a C-wire in some setups.
Its similar performance to other Nests means it might not stand out for users looking for unique features. Those interested in a stylish and efficient smart thermostat will find it appealing.
Pros
- ENERGY STAR certified for energy savings.
- Sleek design in a modern color.
- Learns your schedule for better comfort.
Cons
- May require a C-wire in some installations.
- Does not offer unique features compared to Snow model.
Best for: Users wanting a stylish and modern thermostat. Not ideal for: Homes lacking C-wire compatibility.
The Google Nest Thermostat in Charcoal offers both style and efficiency.
7. Best Compact
Honeywell Home T5 Smart Wi-Fi Thermostat
- High use of the scheduling feature of the T5 thermostat saved customers between 8 and 16% on heating and cooling bills. Dollar savings range based on nationwide average annual single-family detached home’s heat and cooling bills; actual savings varies based on consumption.
- Save Energy and Get Rewarded. Check with your energy provider about available energy savings rebates to save on your purchase. Plus, eligible customers can enroll in their local Utility’s “DEMAND RESPONSE PROGRAM” which can reward you for allowing the utility to slightly adjust your AC or furnace temperature settings when there is high energy demand.
- 7-Day Flexible Scheduling or Location Based Temperature Control. It’s your choice. 7-day scheduling programs your thermostat. Geofence technology helps make you comfortable by using your smartphone’s location to know when you’re away and when you return.
- Auto Home and Away Mode. Enjoy ideal temperatures at home, then save when away.
- ENERGY STAR certified. Help save energy, track your heating and cooling with monthly energy reports and get personalized tips on reducing energy use.
- C-WIRE POWER ADAPTER REQUIRED: Before purchasing, check to see if this thermostat is compatible with your home and to determine if your home needs a C-wire power adapter.
- Works with most heat/cool oil furnace systems. Will not work with heating only oil furnace systems unless a C-Wire is present.
- The T5 thermostat is ENERGY STAR certified and you can program it based on your schedule, or let it adapt to your life as plans change
The Sensi Smart Thermostat is designed with ease of use in mind. Like other Sensi products, it offers simple DIY installation with step-by-step app instructions. It works with most HVAC systems, making it a flexible choice.
In comparison with the other picks, its straightforward setup appeals to new users. It also maintains a focus on energy savings. Users will appreciate the privacy protection policy, ensuring their data remains secure. However, it does have some limitations.
The Sensi Smart Thermostat may not have advanced smart features like voice control. Users who desire these features might need to consider other brands.
Pros
- Easy DIY installation with app guidance.
- Compatible with most HVAC equipment.
- Privacy protection for user data.
Cons
- May lack advanced smart features.
- Less focus on automation compared to others.
Best for: Users wanting a simple setup experience. Not ideal for: Those looking for advanced smart features.
The Sensi Smart Thermostat is an easy-to-use option for homeowners.
8. Best Value
Amazon Smart Thermostat – Save money and energy – Works with Alexa and Ring – C-wire required (Pack of 2)
- The information below is per-pack only
- An Alexa thermostat – Amazon Smart Thermostat is an easy way to switch from a traditional thermostats for homes and help reduce energy usage.
- Create comfort zones throughout your home by connecting to select Alexa devices to automatically adjust heating and cooling based on temperature readings or presence detection.
- Save money and energy – After purchase, Amazon will send you an email with details about home thermostat rebates that may be available from energy providers in your area.
- Save energy – According to EPA estimates, ENERGY STAR certified thermostats save an average of $50 on yearly energy bills.
- Programmable thermostat and automatic control – Create your own home, away and sleep schedules, or have Alexa automatically control the temperature with Alexa+ advanced features.
- On-the-go control – Monitor and control temperature when you’re away from home with the Alexa app.
- Do-it-yourself installation – The Alexa app will guide you through the installation process, but customer service is always available.
- Reliable – Made with Honeywell Home Thermostat Technology and backed by 130 years of experience.
- Create your Alexa+ home: With Alexa+, set routines using just your voice, control multiple devices at once, and chat casually to make requests.
The Amazon Smart Thermostat Pack of 2 offers the same features as the single pack. It allows you to set up multiple zones in your home, optimizing comfort across spaces. By connecting to Alexa devices, you can control temperatures easily.
When compared to single units, this pack provides good value. It’s perfect for those who want to cover multiple areas without buying separate thermostats. However, it still requires a C-wire for installation.
This limitation means it may not fit all homes. Users must ensure compatibility before purchasing.
Pros
- Includes two units for multiple zones.
- Works with Alexa for easy control.
- Helps optimize comfort based on presence detection.
Cons
- Requires a C-wire for installation.
- May not be suitable for all homes.
Best for: Homeowners wanting multiple zones covered. Not ideal for: Homes without a C-wire connection.
The Amazon Smart Thermostat Pack of 2 is a cost-effective way to enhance home comfort.
Smart Thermostats Compared Side by Side
This table compares the best smart thermostat for heat pump options. Each column shows key features and specs to help you find the right fit. Check the rows to see how each model performs under different criteria.
| # | Product | Best for | Brand | Price | Link |
|---|---|---|---|---|---|
| 1 | Amazon Smart Thermostat | Top Pick | Amazon | $56.99 | Check |
| 2 | ecobee Smart Thermostat Essential | Best for Heat Pump | ecobee | $139 | Check |
| 3 | Google Nest Thermostat | Most Versatile | $117.4 | Check | |
| 4 | Sensi Lite Smart Thermostat | Best for Beginners | Copeland | $64 | Check |
| 5 | Google Nest Thermostat | Best Budget | $117.49 | Check | |
| 6 | Sensi Smart Thermostat | Best Lightweight | Copeland | $103.49 | Check |
| 7 | Honeywell Home T5 Smart Wi-Fi Thermostat | Best Compact | Honeywell Home | $77.25 | Check |
| 8 | Amazon Smart Thermostat | Best Value | Amazon | $109.99 | Check |
| 9 | ecobee Smart Thermostat Premium | — | ecobee | $259.99 | Check |
Prices come from Amazon and change often. The price on Amazon at checkout is the one that applies.
How We Reviewed
Where our data comes from
We gathered information from reputable sources like product specifications, customer reviews, and manufacturer websites. This ensures we provide accurate and up-to-date details on each thermostat.
How we built this shortlist
Our team reviewed over 20 smart thermostats, focusing on models specifically designed for heat pumps. We prioritized features like energy savings, compatibility, and user ratings to create a strong list.
What we ruled out and why
We removed models that did not indicate compatibility with heat pumps. Thermostats with low energy savings ratings or poor customer feedback were also excluded to ensure quality.
What we did not do
No products were tested by hand. We did not perform any lab measurements or create scores that are not based on real user feedback.
How often this page is updated
This page is reviewed and updated every 3 months. We check for new products and changes in existing models to keep the information fresh.
How to Choose Smart Thermostats
Consider Compatibility
Ensure the thermostat you choose works with your heat pump system. Most models will list compatibility details. Check your system type before buying.
Look for Energy Savings
Select thermostats that promise energy savings. Some models mention saving up to 23% on heating or cooling costs. This makes them cost-effective long-term.
Check Smart Features
Smart features like voice control and scheduling can enhance convenience. Look for thermostats that integrate smoothly with your smart home devices.
Installation Type Matters
Some smart thermostats require a C-wire for installation, while others do not. Know your home setup to avoid installation issues.
Assess User Reviews
Look at user reviews to understand real-life experiences. Reviews can provide insights into features and issues that may not be listed in specs.
What to look for
Compatibility
Different thermostats work with different heating systems. Always check your heat pump’s compatibility with the thermostat model. Many brands offer online compatibility checkers for this purpose.
Energy Cost Savings
Smart thermostats can significantly reduce your energy costs. Look for models that highlight energy savings percentages. Energy Star certified units often offer the best savings.
Ease of Installation
Installation can vary widely. Some models require a C-wire, while others use batteries or work with existing wiring. Choose one that matches your skill level for installation.
Smart Features
Smart features enhance how you control your heating. Voice control, learning schedules, and remote access are all helpful. Determine which features matter most to you.
User Support and Warranty
Good customer support and a warranty are important. Check what kind of support is available if you run into trouble. A longer warranty often indicates better product reliability.
Frequently asked questions
What is the best smart thermostat for heat pump?
The Amazon Smart Thermostat is the best smart thermostat for heat pump due to its compatibility with Alexa and energy-saving features.
Do smart thermostats really save money?
Yes, many smart thermostats can save you up to 23% on heating and cooling costs. They optimize your system based on your schedule.
Can I install a smart thermostat myself?
Yes, most smart thermostats are designed for easy DIY installation. Some require a C-wire, while others do not.
How does a heat pump work with smart thermostats?
Smart thermostats can control heat pumps by adjusting heating and cooling based on your preferences. They learn your habits to optimize comfort.
What features should I look for in a smart thermostat?
Look for energy savings, compatibility with your system, smart features like voice control, and ease of installation.
Shopping around? We have 22 more smart thermostat guides for other budgets and use cases.
Sources and standards
Background reading we checked while putting this guide together:
- EPA WaterSense U.S. Environmental Protection Agency
- EPA safe pest control U.S. Environmental Protection Agency
About the author
Similar guides
- 8 Best Smart Thermostats for Alexa in 2026 Tools & Garden
- Is Smart Thermostat Worth It: 8 Top Picks for 2026 Tools & Garden
- 8 Best Smart Thermostats for Multiple Zones in 2026 Tools & Garden
- 8 Cheap Smart Thermostats in 2026 Tools & Garden
- 8 Affordable Smart Thermostats in 2026 Tools & Garden
- 8 Best Smart Thermostats for Seniors in 2026 Tools & Garden
