Contents
- The Top 8
- Top 8 Smart Thermostats Reviewed in Detail
- 1. Editor’s Choice
- 2. Best for the Money
- 3. Most Versatile
- 4. Best for Small Spaces
- 5. Best Lightweight
- 6. Best Premium
- 7. Best Design
- 8. Best Compact
- Smart Thermostats Compared Side by Side
- How We Reviewed
- What to look for
- How to Choose Smart Thermostats
- Frequently asked questions
Finding the best smart thermostat for the money can be tough. The Amazon Smart Thermostat is our top choice because it connects with Alexa and Ring, making it easy to manage. If you want to save money, consider the ecobee Smart Thermostat Essential. It lacks some advanced features but still offers great energy savings.
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The Top 8
Top 8 Smart Thermostats Reviewed in Detail
This guide helps you choose the right smart thermostat for your budget. We review top picks based on features and value.
1. Editor’s Choice
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 our top pick for the best smart thermostat for the money. It connects smooth with Alexa and Ring, allowing you to control your home’s temperature easily. This model helps reduce energy usage effectively, which is important for saving on bills. Compared to other picks, it stands out for its user-friendly interface and voice control features. The Amazon Smart Thermostat requires a C-wire, which is a common wire needed for power. This might limit compatibility with some older HVAC systems. Overall, this model is an excellent choice for those looking for convenience and savings.
Pros
- Works with Alexa and Ring for easy control
- Helps reduce energy usage effectively
- User-friendly design with voice commands
- Creates comfort zones based on presence detection
Cons
- Requires a C-wire for power, limiting some installations
- Limited features compared to higher-end models
Best for: Users looking for convenience and energy savings. Not ideal for: Homes without a C-wire connection.
This thermostat is a smart choice for those seeking value without sacrificing features.
2. Best for the Money
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 our budget-friendly pick. It saves up to 23% on heating and cooling costs, which is a significant benefit for users looking to cut energy expenses. This model adjusts to your schedule, optimizing comfort by lowering energy use when you are away. Compared to the Amazon model, it has broader compatibility with 85% of systems, making it a versatile choice. However, it lacks advanced features found in pricier models, such as voice control and room sensors. While it’s a great pick for those focused on cost savings, it may not suit users wanting more smart features.
Pros
- Saves up to 23% on energy costs
- Compatible with 85% of HVAC systems
- Schedules adjustments for optimized comfort
- Energy Star certified for efficiency
Cons
- Lacks voice control and advanced features
- Less user-friendly than other options
Best for: Budget-conscious users prioritizing energy savings. Not ideal for: Users wanting advanced smart features.
This thermostat is great for those focused on saving money while maintaining comfort.
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 offers a balance of features and ease of use. It is Energy Star certified and allows you to save energy while keeping your home comfortable. This model connects to Wi-Fi, giving you remote access through the Google Home app. Compared to the Amazon Smart Thermostat, it has a sleeker design and more advanced learning capabilities. However, it may require a C-wire for some setups. While it is generally user-friendly, some customers report a learning curve when using the app for the first time. Overall, the Google Nest Thermostat is a versatile option for those who want efficiency and design.
Pros
- Energy Star certified for energy efficiency
- Remote access via the Google Home app
- Sleek design and user-friendly interface
- Learns your schedule for better energy savings
Cons
- Requires a C-wire for some installations
- Learning curve for first-time app users
Best for: Users wanting a stylish design and advanced features. Not ideal for: Those who prefer a simpler setup.
This thermostat combines style and energy savings, making it a strong contender.
4. Best for Small Spaces
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 tailored for DIY enthusiasts. It offers easy installation with built-in levels and step-by-step guides. This makes it accessible for those who want to set it up themselves. Compared to other models, it is more budget-friendly but lacks advanced smart features. It does, however, still provide energy savings of around 23%. Some users may find its design less appealing, and it may not work with all HVAC systems due to the C-wire requirement. Overall, it is a solid choice for hands-on users looking for value.
Pros
- Easy DIY installation with built-in level
- Energy Star certified for efficiency
- Saves about 23% on HVAC energy costs
- Compatible with most HVAC systems
Cons
- C-wire required for some systems
- Less attractive design than other models
Best for: DIY users wanting a simple installation. Not ideal for: Those looking for advanced features.
This thermostat is a practical choice for those wanting easy installation and savings.
5. Best Lightweight
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 Google Nest Thermostat in Charcoal has all the essential features you expect. It is Energy Star certified and designed to help you save energy while maintaining comfort. This model connects to Wi-Fi and has a simple app for remote control. Compared to the Snow version, it offers the same features with a more modern color. However, like many other smart thermostats, it may require a C-wire for installation. Some users may experience difficulty with the app’s interface initially. Overall, it delivers reliability and performance in a stylish package.
Pros
- Energy Star certified for energy savings
- User-friendly app for remote control
- Modern design in Charcoal color
- Connectivity with Google Home for convenience
Cons
- Requires C-wire for some setups
- May have a learning curve for app users
Best for: Users seeking a stylish option with reliable performance. Not ideal for: Those uncomfortable with technology.
This thermostat smooth combines style with energy efficiency, making it a smart choice.
6. Best Premium
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 Sensi Smart Thermostat is a blend of functionality and ease of use. It is designed for DIY installation with helpful app instructions. This model is Energy Star certified, ensuring energy savings of about 23%. It competes well with others like the ecobee and Google models in terms of efficiency. However, users may face challenges with the C-wire requirement on certain systems. While it excels in performance, the design may feel less modern compared to higher-end models. Overall, it is a great choice for users who appreciate practicality and savings.
Pros
- Energy Star certified for efficiency
- Easy DIY setup with app instructions
- Saves about 23% on HVAC energy costs
- Privacy protection for user data
Cons
- C-wire required for some installations
- Less modern design compared to competitors
Best for: Users seeking practical features and savings. Not ideal for: Those wanting a sleek design.
This thermostat is a practical option for energy savings and user-friendly setup.
7. Best Design
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 Honeywell Home T5 Smart Wi-Fi Thermostat is a versatile choice. It features a user-friendly scheduling system, which can save you between 8% and 16% on energy costs. This model connects to Wi-Fi, allowing remote control via a mobile app. Compared to other thermostats, it stands out for its scheduling capabilities and reliability. However, it may not have as many smart features as some competitors. Some users report that installation can be tricky and may require professional help. Overall, it is a solid option for those who prioritize scheduling and ease of use.
Pros
- User-friendly scheduling feature
- Remote control via mobile app
- Energy savings between 8% and 16%
- Compatible with most HVAC systems
Cons
- Installation can be tricky for some users
- Fewer advanced features than competitors
Best for: Users wanting a reliable scheduling feature. Not ideal for: Those seeking advanced smart home integration.
This thermostat offers reliable scheduling and ease of use, making it a good pick.
8. Best Compact
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 in a pack of two offers the same benefits as the single unit. With easy integration with Alexa, it works well in multiple rooms. This option is perfect for larger homes or those looking to get more units at once. However, it still requires a C-wire, which some older systems might not have. The design is functional but not as advanced as other models. Overall, it provides good value for homes needing multiple thermostats.
Pros
- Pack of two for larger homes
- Easy integration with Alexa
- Helps reduce overall energy usage
- User-friendly interface
Cons
- Requires a C-wire for installation
- Limited features compared to advanced models
Best for: Houses needing multiple thermostats. Not ideal for: Smaller homes or those without a C-wire.
This thermostat pack is a smart choice for larger spaces needing energy-efficient control.
Smart Thermostats Compared Side by Side
The table below compares the best smart thermostats for the money. Each column shows features, energy savings, and installation type. Use it to see which thermostat fits your needs best.
| # | Product | Best for | Brand | Price | Link |
|---|---|---|---|---|---|
| 1 | Amazon Smart Thermostat | Editor's Choice | Amazon | $56.99 | Check |
| 2 | ecobee Smart Thermostat Essential | Best for the Money | ecobee | $139 | Check |
| 3 | Google Nest Thermostat | Most Versatile | $117.4 | Check | |
| 4 | Sensi Lite Smart Thermostat | Best for Small Spaces | Copeland | $64 | Check |
| 5 | Google Nest Thermostat | Best Lightweight | $117.49 | Check | |
| 6 | Sensi Smart Thermostat | Best Premium | Copeland | $103.49 | Check |
| 7 | Honeywell Home T5 Smart Wi-Fi Thermostat | Best Design | Honeywell Home | $77.25 | Check |
| 8 | Amazon Smart Thermostat | Best Compact | 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 official product pages, user reviews, and trusted tech review sites. This includes details on features, compatibility, and energy savings.
How we built this shortlist
We started with over 20 smart thermostats and narrowed it down to the top eight. Key factors included energy efficiency, user-friendliness, and smart home compatibility.
What we ruled out and why
We eliminated models with poor user ratings or limited compatibility with HVAC systems. Products lacking essential features like Wi-Fi connectivity were also removed.
What we did not do
We did not test any products hands-on. No lab measurements were taken, and we did not create scores based on personal opinions.
How often this page is updated
This page will be updated every six months. We will review new models and any changes to existing products to keep the information current.
What to look for
Energy Efficiency
Look for a thermostat that is Energy Star certified. These models can help save you around 20% on heating and cooling costs. This is important for reducing your overall energy bills and environmental impact.
Smart Home Compatibility
Check if the thermostat works with your smart home devices. Many models integrate with Alexa, Google Assistant, or Apple HomeKit. This can enhance your home automation experience.
Ease of Installation
Choose a thermostat that offers easy installation, especially if you plan to do it yourself. Some models come with step-by-step instructions and built-in levels for quick setup.
User-Friendly App
A good thermostat should have an easy-to-use app. This allows you to adjust settings remotely and check energy usage. Look for models with high ratings for their mobile apps.
Schedule Customization
Look for a thermostat that allows you to create custom schedules. This feature helps save energy by adjusting temperatures when you are not home. This can lead to significant savings over time.
How to Choose Smart Thermostats
Determine Your HVAC Compatibility
Before buying, check if the thermostat is compatible with your HVAC system. Many models work with various systems, but some require a C-wire. Use compatibility checkers on brand websites for this.
Consider Your Smart Home System
If you use smart home devices, ensure your thermostat works with them. For example, if you have Alexa, choose a thermostat that integrates with it. This makes controlling your home easier.
Look for Energy-Saving Features
Energy-saving features can help you save money. Some thermostats learn your habits and adjust settings automatically. Check if the model you choose has these energy-efficient features.
Evaluate Your Budget
Set a budget before shopping. Smart thermostats vary in price based on features. Decide what features are most important to you and find a thermostat that fits your budget.
Check Customer Reviews
Reading customer reviews can provide insight into a product’s performance. Look for feedback on energy savings, ease of use, and installation. This information can help you make a more informed choice.
Frequently asked questions
What is the best smart thermostat for the money?
The Amazon Smart Thermostat is the best smart thermostat for the money. It offers great features like Alexa compatibility and energy savings.
How do smart thermostats save energy?
Smart thermostats save energy by learning your schedule and adjusting settings automatically. They can also be controlled remotely, allowing you to manage energy use efficiently.
Do I need a C-wire for smart thermostats?
Some smart thermostats require a C-wire for power. Check the product details for compatibility with your HVAC system to avoid installation issues.
Can I install a smart thermostat myself?
Yes, many smart thermostats are designed for DIY installation. They often include step-by-step instructions, making it easy to set up without professional help.
What features should I look for in a smart thermostat?
Look for features like energy savings, smart home compatibility, easy installation, and customizable schedules. These features can significantly impact your experience and savings.
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 safe pest control U.S. Environmental Protection Agency
- USDA plant hardiness zones USDA Agricultural Research Service
About the author
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