Contents
- The Top 8
- Top 8 Smart Thermostats Reviewed in Detail
- 1. Best Overall
- 2. Best Premium
- 3. Best for Beginners
- 4. Best for Small Spaces
- 5. Best Splurge
- 6. Best Value
- 7. Most Versatile
- 8. Best Design
- Smart Thermostats Compared Side by Side
- How to Choose Smart Thermostats
- How We Reviewed
- Frequently asked questions
- What to look for
Choosing the best honeywell smart thermostat can be tricky. The best overall pick is the Honeywell Home T5 Smart Wi-Fi Thermostat. It helps you save 8 to 16% on heating and cooling bills through its scheduling feature. For a great value pick, the Sensi Lite Smart Thermostat offers energy savings but lacks advanced features like learning capabilities. Most buyers face the choice between high efficiency and lower cost. This page will guide you through finding the right fit for your home.
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The Top 8
Top 8 Smart Thermostats Reviewed in Detail
Here are the top smart thermostats available today, including their features and benefits.
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 Honeywell Home T5 Smart Wi-Fi Thermostat is recognized for its user-friendly scheduling features. This thermostat can save customers between 8 and 16% on their heating and cooling bills. Compared to other options, it stands out due to its smart scheduling that adjusts based on your habits. While it offers a good balance of features, some users may find that it lacks advanced learning options available in pricier models. Overall, it suits those looking for ease of use and energy savings.
Pros
- Offers energy savings of 8-16% with scheduling features.
- User-friendly interface for easy programming.
- Compatible with most HVAC systems.
Cons
- Lacks advanced learning capabilities found in premium models.
- Installation may require a C-wire in some setups.
Best for: Users wanting straightforward programming and savings. Not ideal for: Those seeking advanced learning features.
The Honeywell Home T5 is a solid choice for energy-conscious homeowners.
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 designed for energy savings and ease of use. It can save users up to 23% on heating and cooling costs through its smart scheduling. This model competes well with others due to its high compatibility, working with 85% of systems. Users looking for premium features like built-in Alexa may find it lacking. If you want a straightforward thermostat that saves energy without the extras, this one fits the bill well.
Pros
- Saves up to 23% on energy costs.
- Compatible with 85% of HVAC systems.
- Simple scheduling features for easy use.
Cons
- Does not include smart speaker functionality.
- Less advanced than other premium options.
Best for: Energy-conscious consumers looking for a basic model. Not ideal for: Users wanting enhanced smart features.
The ecobee Smart Thermostat Essential is an energy-saving powerhouse without extra flair.
3. Best for Beginners
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 known for its sleek design and efficiency. It offers ENERGY STAR certification, which ensures it is energy-efficient. This model competes well with others due to its compatibility with numerous HVAC systems. Users may find the setup process a bit complex compared to others. If you prioritize design and energy savings, this thermostat is a great pick.
Pros
- ENERGY STAR certified for energy savings.
- Sleek design fits well in modern homes.
- Compatible with many heating and cooling systems.
Cons
- Setup can be complex for some users.
- Does not include advanced scheduling features.
Best for: Design-conscious consumers wanting energy savings. Not ideal for: Those needing easy installation.
The Google Nest Thermostat combines style with energy efficiency.
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 designed for easy installation and lower initial costs. It features DIY installation with a built-in level, making setup straightforward. Compared to other options, it allows for decent energy savings. However, it may lack advanced features found in pricier models. This one is a great choice for those on a budget or who want simplicity.
Pros
- Easy DIY installation with built-in level.
- Common wire is not required in most setups.
- Offers good energy savings potential.
Cons
- Lacks advanced features like learning capabilities.
- Installation may still be challenging for some.
Best for: Budget-conscious consumers wanting ease of use. Not ideal for: Users seeking advanced smart features.
The Sensi Lite is a budget-friendly option for smart thermostat newcomers.
5. Best Splurge
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 is a stylish and functional choice for homes. It offers the same efficiency as other Nest models, providing energy savings through automated features. This model easily connects to Wi-Fi and is compatible with various systems. However, some users may find its features redundant if they have another Nest device. If you appreciate design and functionality, this option is a smart pick.
Pros
- Stylish charcoal color fits modern decor.
- Wi-Fi connectivity for remote control.
- Energy-saving features help reduce bills.
Cons
- Features may overlap with other Nest devices.
- Setup might be complex for users unfamiliar with smart tech.
Best for: Style-conscious users wanting smart features. Not ideal for: Those with existing Nest devices looking for variety.
The Google Nest Thermostat in charcoal provides a blend of style and functionality.
6. Best Value
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 with its ease of installation and privacy focus. Users can install it without a common wire in most cases, making it versatile for many homes. Compared to other models, it offers solid energy savings. However, it may lack advanced features such as learning capabilities. This model suits users who value privacy and straightforward setup.
Pros
- Easy DIY installation with no common wire needed.
- Privacy protection for personal data.
- Solid energy savings potential.
Cons
- Limited advanced features compared to premium models.
- Users may find the app interface less intuitive.
Best for: Users wanting privacy and simple installation. Not ideal for: Those seeking advanced smart features.
The Sensi Smart Thermostat is user-friendly and respects your privacy.
7. Most Versatile
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 Amazon Smart Thermostat is designed to work smooth with Alexa and Ring. It helps automate your home’s heating and cooling based on presence detection and temperature readings. This model offers good energy savings, but it requires a C-wire for installation. While it excels in smart home integration, it may not suit homes without the required wiring. If you prioritize smart home capabilities, this is a top choice.
Pros
- Integrates easily with Alexa and Ring.
- Automates heating and cooling based on presence.
- Helps reduce energy consumption.
Cons
- Requires a C-wire for installation.
- Limited features compared to higher-end models.
Best for: Smart home enthusiasts wanting easy integration. Not ideal for: Homes lacking a C-wire connection.
The Amazon Smart Thermostat is perfect for users deeply integrated into the Alexa ecosystem.
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 Honeywell Home T5 Smart Wi-Fi Thermostat is also available in a pack of two for added convenience. It offers similar energy-saving features as the single unit. Compared to other models, this pack provides great value for larger homes. However, if you do not need two units, this option may not be the best choice. For those needing multiple thermostats, it’s a practical solution.
Pros
- Pack of two offers great value for larger homes.
- Energy-saving features help reduce bills.
- User-friendly interface for easy programming.
Cons
- Not ideal if only one thermostat is needed.
- Complexity of installation may vary.
Best for: Homes needing multiple thermostats. Not ideal for: Users only requiring one unit.
The Honeywell Home T5 in a pack is a great choice for larger homes.
Smart Thermostats Compared Side by Side
This table compares key features of the best honeywell smart thermostat options. The columns include brand, model, energy-saving features, and compatibility. Look at the rows to find the thermostat that best fits 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 | Best for Beginners | $117.4 | Check | |
| 4 | Sensi Lite Smart Thermostat | Best for Small Spaces | Copeland | $64 | Check |
| 5 | Google Nest Thermostat | Best Splurge | $117.49 | Check | |
| 6 | Sensi Smart Thermostat | Best Value | Copeland | $103.49 | Check |
| 7 | Honeywell Home T5 Smart Wi-Fi Thermostat | Most Versatile | 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
Energy Efficiency Ratings
Look for ENERGY STAR certified models to ensure you are buying an energy-efficient thermostat. These models are designed to save you money on your heating and cooling bills. Choose a thermostat that can reportedly save you at least 20% per year.
Compatibility with HVAC Systems
Check compatibility with your current HVAC system before making a purchase. Most smart thermostats work with 85% of systems. Use online compatibility checkers from brands like ecobee or Google Nest for accurate information.
Smart Features
Consider smart features such as mobile app control, voice command capability, and scheduling options. A good rule of thumb is to choose a model that allows for remote access. This way, you can control your thermostat from anywhere.
Installation Requirements
Some smart thermostats require a C-wire for installation. If you are unsure, choose models that come with easy do-it-yourself instructions or no C-wire requirement. This can save you time and stress during installation.
User-Friendly Interface
A user-friendly interface makes programming easier. Look for models with touch screens or mobile app functionality. Reviews often highlight ease of setup and daily use, which can help you make a better choice.
How We Reviewed
Where our data comes from
We gathered data from product listings, expert reviews, and consumer feedback. Key sources included manufacturer websites and major retailers. This helped ensure accurate product descriptions and features.
How we built this shortlist
The shortlist was created by reviewing over 20 smart thermostat models. We focused on energy efficiency, user ratings, and compatibility features. Only those meeting high standards were included in the final picks.
What we ruled out and why
Models that had limited compatibility with HVAC systems were not included. We also ruled out products with mixed or negative consumer reviews. This helped create a reliable selection.
What we did not do
No hands-on testing or lab measurements were performed for this review. We did not create scores or ratings based on personal use. Our focus was strictly on available data and reviews.
How often this page is updated
This page will be updated quarterly to reflect new product releases and changes in consumer feedback. We aim to keep the information current and relevant for shoppers.
Frequently asked questions
What is the best honeywell smart thermostat?
The best honeywell smart thermostat is the Honeywell Home T5 Smart Wi-Fi Thermostat. It offers energy savings and a user-friendly scheduling feature.
How do smart thermostats save energy?
Smart thermostats save energy by learning your habits and adjusting temperatures accordingly. They can optimize heating and cooling based on your schedule.
Can I install a smart thermostat myself?
Yes, many smart thermostats are designed for easy DIY installation. Look for models with clear instructions and built-in levels for a smooth setup.
What is a C-wire and do I need one?
A C-wire, or common wire, is used to provide continuous power to smart thermostats. Some models require it, while others do not.
What if my HVAC system is not compatible?
If your HVAC system is not compatible, check for models that support your system. Brands like ecobee and Google Nest offer compatibility checkers on their websites.
What to look for
Energy Savings Potential
Look for smart thermostats that advertise energy savings of at least 20%. Models with advanced algorithms and learning capabilities often provide these savings. Check user reviews for real-life experiences.
Control Options
Smart thermostats should offer multiple control options, including mobile apps and voice commands. This flexibility allows you to adjust settings easily, whether at home or away.
Scheduling Features
Many smart thermostats allow you to set schedules for different times of the day. Look for models that let you create custom schedules. This feature can help maximize energy savings.
Installation Type
Some smart thermostats can be installed without a common wire, while others require it. Choose a model that fits your home’s wiring. This can impact both installation ease and functionality.
Compatibility with Smart Home Devices
Ensure the thermostat works with other smart home devices you own. Many smart thermostats connect with systems like Alexa or Google Assistant. Check compatibility when making your choice.
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
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