Contents
When looking for a smart thermostat cheap, the Amazon Smart Thermostat is the top choice. It works smooth with Alexa and Ring, making it easy to control your home environment. For those wanting to save money, the ecobee Smart Thermostat Essential offers good features but requires a bit less compatibility. You give up some smart features and Alexa integration for a lower price point.
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The Top 8
Top 8 Smart Thermostats Reviewed in Detail
Below are details on some of the best smart thermostats for budget-conscious buyers.
1. Best Overall
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 shines as the best overall choice in the smart thermostat cheap category. It connects easily with Alexa and Ring, enhancing your smart home experience. Its ability to create comfort zones is a standout feature, allowing you to customize heating and cooling based on your needs. Compared to the ecobee and Google Nest, this model is more budget-friendly while still offering essential features. However, it does require a C-wire for installation, which may not be compatible with all homes. This makes it less ideal for users without a C-wire setup.
Pros
- Works smooth with Alexa and Ring.
- Helps reduce energy usage with smart controls.
- Creates comfort zones based on presence detection.
Cons
- Requires C-wire for installation.
- Limited compatibility with some HVAC systems.
- Less advanced features than premium models.
Best for: Users seeking an affordable smart thermostat with smart home integration. Not ideal for: Homes without a C-wire setup.
The Amazon Smart Thermostat offers a great balance of features and affordability.
2. Best Premium
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 the best premium choice in this lineup. It is ENERGY STAR certified and can save up to 23% on heating and cooling costs. This thermostat adjusts according to your schedule, optimizing comfort when you’re home and saving energy when you’re away. While it requires compatibility checks, it works with 85% of systems, making it versatile. Compared to the Amazon Smart Thermostat, it offers more energy-saving features. However, it lacks full Alexa integration, which may deter some users.
Pros
- ENERGY STAR certified for energy savings.
- Adjusts temperatures based on your schedule.
- Compatible with 85% of HVAC systems.
Cons
- No full Alexa integration.
- Requires compatibility checks before purchase.
- Installation may require professional help.
Best for: Users who want advanced features for energy savings. Not ideal for: Those who prefer full smart home integration with Alexa.
The ecobee Smart Thermostat Essential is perfect for energy-conscious users seeking advanced features.
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 a versatile option that balances functionality and price. With its ENERGY STAR certification, it also contributes to energy savings. It connects via Wi-Fi and can be programmed for your schedule. Compared to the Amazon model, it has a sleek design and great app experience. However, it is slightly less user-friendly for those new to smart technology. Some users may find the installation process trickier without professional help, which could be a limitation for some homeowners.
Pros
- Sleek design that fits well in modern homes.
- Energy-saving features with ENERGY STAR certification.
- Programmable via app for easy scheduling.
Cons
- Installation can be tricky for beginners.
- Less user-friendly for those unfamiliar with smart tech.
- Limited support for older systems.
Best for: Users wanting a balance of style and function. Not ideal for: Those who need straightforward installation without help.
The Google Nest Thermostat is a stylish choice for those who enjoy technology.
4. Best Budget
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 the best budget option among these picks. It is easy to install, even for beginners, and very affordable. This model works with most HVAC systems and focuses on essential features. Compared to others, it may lack advanced settings and smart technology like voice control. However, its simplicity makes it a great choice for those looking to switch without fuss. The biggest limitation is its reliance on a C-wire for heat pump systems, which may not be available in every home.
Pros
- User-friendly DIY installation.
- Compatible with most HVAC systems.
- Affordable choice for basic smart features.
Cons
- C-wire required for some installations.
- Less advanced features compared to premium options.
- Limited smart home integration.
Best for: Budget-conscious buyers needing basic smart features. Not ideal for: Homes without a C-wire setup.
The Sensi Lite Smart Thermostat is a simple and affordable choice for basic needs.
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 color is a compact option that works well in smaller spaces. It has many of the same features as the original Nest model. The sleek design fits well in modern homes, and it also saves energy effectively. Compared to the original, there may be fewer programmable options. However, its ease of use is a plus. This thermostat may not suit users looking for extensive features or who have larger homes needing multiple units.
Pros
- Compact design suitable for smaller homes.
- ENERGY STAR certification for energy savings.
- Easy to use through the app.
Cons
- Fewer programmable options than other models.
- May not perform well in larger homes.
- Limited compatibility with some systems.
Best for: Small homes or apartments needing smart features. Not ideal for: Larger homes that require multiple thermostats.
The Google Nest Thermostat (charcoal) is compact and stylish for smaller spaces.
6. Best Compact
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 stands out for its lightweight design and ease of use. It is user-friendly and has a built-in level to simplify installation. This model is great for budget-conscious buyers who want basic smart features. Compared to the other Sensi model, it offers similar performance but is lighter and easier to handle. A limitation is that some users may miss having advanced features like Alexa integration. This may impact convenience for tech-savvy users.
Pros
- Lightweight and easy to install.
- User-friendly interface and app.
- Compatible with most HVAC systems.
Cons
- Lacks advanced features like Alexa support.
- Not suitable for users needing complex programming.
- Basic design may not appeal to everyone.
Best for: Users desiring a lightweight and easy-to-install thermostat. Not ideal for: Those looking for advanced smart features.
The Sensi Smart Thermostat is a lightweight option for easy installation.
7. Runner-Up
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 provides reliable performance and many features. It helps users save energy with scheduling capabilities. Many users report savings of 8 to 16% on their heating and cooling bills. When compared to the Amazon Smart Thermostat, this one offers more advanced scheduling options. However, it can be more complicated to set up for less tech-savvy users. Its technical nature may not suit everyone, especially those seeking simplicity.
Pros
- Advanced scheduling features for energy savings.
- User-friendly app for easy control.
- Compatible with most HVAC systems.
Cons
- More complex setup than some competing models.
- May not appeal to users seeking simplicity.
- Requires Wi-Fi for full functionality.
Best for: Users looking for advanced scheduling features. Not ideal for: Those who prefer a simpler setup.
The Honeywell Home T5 is a reliable choice for those seeking energy savings with advanced features.
8. Best Design
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 is a versatile option for those needing multiple units. It offers the same features as the single version, allowing for easy home automation. This choice is convenient for larger homes or multiple rooms. While it provides significant savings, you may miss out on advanced controls and features available in premium models. The need for C-wire installation may also be a drawback for those without an existing setup.
Pros
- Great value for purchasing in a pack.
- Same features as the single model.
- Works well with Alexa and Ring.
Cons
- C-wire required for installation.
- Limited advanced smart features.
- May not suit all HVAC systems.
Best for: Larger homes needing multiple smart thermostats. Not ideal for: Homes without a C-wire setup.
The Amazon Smart Thermostat pack is a convenient choice for larger households.
Smart Thermostats Compared Side by Side
This table compares key features of different smart thermostats cheap. The columns highlight brand, compatibility, and special features. Review the rows to find which thermostat suits your needs.
| # | Product | Best for | Brand | Price | Link |
|---|---|---|---|---|---|
| 1 | Amazon Smart Thermostat | Best Overall | Amazon | $56.99 | Check |
| 2 | ecobee Smart Thermostat Essential | Best Premium | ecobee | $139 | Check |
| 3 | Google Nest Thermostat | Most Versatile | $117.4 | Check | |
| 4 | Sensi Lite Smart Thermostat | Best Budget | Copeland | $64 | Check |
| 5 | Google Nest Thermostat | Best Lightweight | $117.49 | Check | |
| 6 | Sensi Smart Thermostat | Best Compact | Copeland | $103.49 | Check |
| 7 | Honeywell Home T5 Smart Wi-Fi Thermostat | Runner-Up | Honeywell Home | $77.25 | Check |
| 8 | Amazon Smart Thermostat | Best Design | 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 to Choose Smart Thermostats
Compatibility with HVAC Systems
Check your system before buying a smart thermostat. Many models, like the ecobee Smart Thermostat Essential, work with 85% of systems. Use the online compatibility checker on the brand’s website.
Energy Savings Potential
Look for models that can save at least 20% on energy costs. The ecobee and Sensi models both claim around a 23% savings. This helps justify the initial price.
Smart Home Integration
Consider how well the thermostat works with other smart devices. The Amazon Smart Thermostat integrates easily with Alexa. This can enhance your smart home experience.
Installation Requirements
Choose a thermostat that fits your skills. Some models, like the Sensi Lite Smart Thermostat, are easy to install yourself. Others may need professional help.
Programmable Features
Look for programmability options to adjust your heating and cooling schedules. The Google Nest Thermostats allow for detailed scheduling, which can lead to more savings.
How We Reviewed
Where our data comes from
We gathered information from trusted sources, including manufacturer websites and user reviews. This gave us a snapshot of features and customer experiences.
How we built this shortlist
We reviewed over 20 smart thermostat models to create this shortlist. We focused on energy efficiency, ease of use, and smart home compatibility.
What we ruled out and why
Products lacking essential features were excluded. Models that had poor customer ratings or compatibility issues did not make the cut.
What we did not do
No hands-on testing was conducted. We did not measure performance or generate scores. All information is based on available data.
How often this page is updated
This page is checked monthly for updates on new models and features. Product information is refreshed as needed to keep it current.
Frequently asked questions
What is a smart thermostat?
A smart thermostat is a device that helps control your home’s heating and cooling. It connects to the internet and can be controlled through a smartphone app.
How does a smart thermostat save energy?
Smart thermostats learn your schedule and adjust temperatures accordingly. This means less energy is used when you’re not home.
Do smart thermostats work without Wi-Fi?
Most smart thermostats require Wi-Fi for full functionality. Some basic features might still work without a connection.
Can I install a smart thermostat myself?
Many smart thermostats, like the Sensi Lite, are designed for easy DIY installation. However, some may require professional installation.
What is the best smart thermostat cheap option?
The Amazon Smart Thermostat is a great choice for affordability and features. It integrates well with Alexa and is user-friendly.
What to look for
Energy Efficiency Ratings
Look for ENERGY STAR certified models to ensure energy savings. Certifications indicate that the thermostat meets strict energy efficiency guidelines.
User-Friendly Apps
Choose a thermostat with an easy-to-use app. This allows for straightforward temperature adjustments and scheduling from your smartphone.
Voice Control Features
If you already use a smart speaker, select a thermostat that works with it. Models compatible with Alexa or Google Assistant offer added convenience.
Temperature Sensors
Some thermostats come with additional sensors that detect temperature in different rooms. This helps ensure comfort throughout your home.
Warranty and Support
Check the warranty period and customer support options. A longer warranty can provide confidence if issues arise with the device.
About the author
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