Best Smart Thermostats for Optimizing Office Temperature
Not every is worth considering in 2025.
After reviewing a wide range of options, some clear standouts emerged.
The best option wasn’t the most expensive — but it delivered where it counts.
1
ecobee Smart Thermostat Essential - Energy Star Certified programmable Wi-Fi Thermostat - Works with Siri, Alexa, and Google Assistant
9.9
Amazon.com
2
Amazon Smart Thermostat – Save money and energy - Works with Alexa and Ring - C-wire required
9.3
Amazon.com
3
ecobee Smart Thermostat Enhanced - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant - Energy Star Certified - Smart Home
8.8
Amazon.com
4
Google Nest Learning Thermostat (4th Gen, 2024) with Nest Temperature Sensor - Energy Saving Smart Thermostat - Works with Alexa, Apple HomeKit and Google...
8.8
Amazon.com
5
Sensi Smart Thermostat, 100 Years Of Expertise, Wi-Fi, Data Privacy, Programmable, Easy DIY Install, Works With Alexa, Energy Star Certified, Mobile App, ST55
8.1
Amazon.com
Top Pick
This is the product that stood out most — for performance, price, and overall value.
ecobee Smart Thermostat Essential - Energy Star Certified programmable Wi-Fi Thermostat - Works with Siri, Alexa, and Google Assistant
$139.99
PRIMEPRIME
in stock
Amazon.com
Features
| Part Number | EB-STATE7-01 |
| Model | EB-STATE7-01 |
| Color | White |
| Release Date | 2025-03-03T00:00:01Z |
- 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
More Worth Considering
Here are the other options we recommend. Each brings something different to the table, depending on what you’re looking for.
ecobee Smart Thermostat Essential - Energy Star Certified programmable Wi-Fi Thermostat - Works with Siri, Alexa, and Google Assistant
$139.99
PRIMEPRIME
in stock
Amazon.com
Features
| Part Number | EB-STATE7-01 |
| Model | EB-STATE7-01 |
| Color | White |
| Release Date | 2025-03-03T00:00:01Z |
- 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
Amazon Smart Thermostat – Save money and energy - Works with Alexa and Ring - C-wire required
$79.99
PRIMEPRIME
in stock
Amazon.com
Features
| Part Number | 53-026123 |
| Model | S6ED3R |
| Color | WHITE |
| Is Adult Product | |
| Release Date | 2021-11-04T00:00:01Z |
- Smart upgrade - Amazon Smart Thermostat is an easy way to switch from a traditional thermostat and help reduce energy usage.
- Create comfort zones throughout your home by using select Echo devices or Amazon Smart Air Quality Monitor to automatically adjust heating and cooling based on temperature readings or presence detection.
- Save money - After purchase, Amazon will send you an email with details about rebates that may be available from energy providers in your area. Explore rebates above.
- Save energy - According to EPA estimates, ENERGY STAR certified thermostats save an average of $50 on yearly energy bills.
- Automatic Control - Alexa can automatically switch between your preferred home, away, and sleep temperatures.
- On-the-go control - Let Alexa set the temperature, or set it yourself from anywhere with the Alexa app.
- You can do it - 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.
Google Nest Learning Thermostat (4th Gen, 2024) with Nest Temperature Sensor - Energy Saving Smart Thermostat - Works with Alexa, Apple HomeKit and Google...
$249.99
$279.99
PRIMEPRIME
in stock
Amazon.com
Features
| Part Number | GA05169-US |
| Model | CE911542 |
| Color | Polished Obsidian |
| Release Date | 2024-08-20T00:00:01Z |
| Size | One Size |
- Nest’s smartest, most advanced thermostat yet, the Google Nest Learning Thermostat (4th gen) is a beautiful, brilliant way to save energy, keep your home comfortable, and help make sure your heating and cooling systems are running smoothly[4]
- Improved compatibility: It works with most 24V systems, including gas, electric, oil, forced air, heat pump, and radiant, and no C wire is required for installation in most homes; visit the Nest Compatibility Checker for more info[5]
- Easy control in the Google Home app: Adjust on your phone from anywhere[1] or by using your voice with Alexa, Siri, or Google Assistant smart speaker[3], it’s easy to install yourself and it’s Matter compatible for simple integration into your smart home[5]
- Beautiful design: With a 60% larger display[11] and Dynamic Farsight, you can see info from across the room[1]; choose the design, like a clock or the weather; it automatically adjusts brightness for the best readability or you can adjust manually
- Better visibility into adjustments: Asks for permission to make schedule changes to help you save energy; you'll receive notifications in the Google Home app, and you can view and accept changes with a tap[1]
- Manage hot and cold spots: It comes with the Nest Temperature Sensor (2nd gen) and works with any Nest Temperature Sensor; put a sensor in any room and use the Google Home app to set the temp it should reach at a certain time of day
- Savings you can count on: The Nest Learning Thermostat (4th gen) can help save an average of 12% on heating bills and 15% on cooling bills[2]
- New natural heating and cooling: Your thermostat learns how the temperature outside affects the temperature inside (for example, when the sun coming through the windows will heat the house naturally) and pauses your system to help you save[1]
- New Adaptive Eco: It uses the temperature outside to help find an energy-saving temperature when you’re away and returns to a comfortable temperature within an hour of your return[1]
- Please refer to the “Legal” section below for all applicable legal disclaimers denoted by the bracketed numbers in the preceding bullet points (e.g., [1], [2], etc.)
ecobee Smart Thermostat Enhanced - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant - Energy Star Certified - Smart Home
$189.99
$199.99
PRIMEPRIME
in stock
Amazon.com
Features
| Part Number | EB-STATE6L-01 |
| Model | EB-STATE6L-01 |
| Warranty | 3 year manufacturer. |
| Color | Black |
| Release Date | 2022-05-17T00:00:01Z |
| Size | No Size |
- Save up to 26% per year on heating and cooling costs Automatically adjusts the temperature when you’re away to never heat or cool an empty home. Compared to a hold of 72°F
- Preheats or precools your home before you arrive, so it’s the perfect temperature the moment you walk in. Automatically adjusts to your desired temperature when you’re home or sleeping to keep you comfortable day and night
- Automatically adjusts the temperature to account for humidity so your home always feels like the temperature you’ve set
- Easy to install and use every day, Power Extender Kit for homes without a C-Wire. Use your smart home platform and the Ecobee app to control your thermostat from anywhere with your smartphone, tablet, or Apple Watch
- Hardwired so you never have to worry about losing control or replacing batteries
- Add in a SmartSensor which allows you to measure the temperature in rooms that matter most.
- Works with most 24 VAC HVAC equipment: Gas, oil, electric, dual fuel, forced air Conventional (2H/2C) Heat Pump (3H/2C), & Boilers. Includes Power Extender Kit for homes without a C or Common Wire, to ensure an easy installation
- Compatible with 90% of systems
Sensi Smart Thermostat, 100 Years Of Expertise, Wi-Fi, Data Privacy, Programmable, Easy DIY Install, Works With Alexa, Energy Star Certified, Mobile App, ST55
in stock
Amazon.com
Features
| Part Number | ST55 |
| Model | ST55 |
| Warranty | 3 years. |
| Color | White |
| Release Date | 2017-05-22T00:00:01Z |
| Size | No Size |
- 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
- 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
- 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
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