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ecobee

ecobee3 Lite Smart Thermostat

The ecobee3 Lite Smart Thermostat is a solid choice for users looking to integrate a smart thermostat within their home ecosystem, especially if they're already using Siri, Alexa, or Google Assistant. Its energy-saving capabilities and support for remote sensors make it a versatile and cost-efficient option. However, the need for a C-Wire and some occasional Wi-Fi connectivity issues might be a drawback for some. If you're looking for more advanced features, you might want to consider higher-end models.

Model: EB-STATE3LT-02Color: BlackUPC: 627988303154
Lowest at Amazon
$129.00 at Amazon
Lowest at any Popular Retailer
$67.99 at Kohl's

Where to Buy

Prices last updated: April 28th 2026 6:33 pm

Product Score

Based on professional reviews and customer feedback

7.94/10
Overall
8.6
Expert
7.3
Consumer

Why this score?

The Ecobee3 Lite Smart Thermostat receives a moderate score due to its solid performance and ease of installation, along with compatibility with various smart home systems. However, it falls short in customer satisfaction due to reported issues with connectivity and temperature accuracy, as well as challenges in customer support for faulty units. Overall, it offers good value for tech-savvy homeowners but may not meet everyone's expectations.

8+ Excellent
6-8 Good
4-6 Average
<4 Poor

Score

The Ecobee3 Lite Smart Thermostat receives a moderate score due to its solid performance and ease of installation, along with compatibility with various smart home systems. However, it falls short in customer satisfaction due to reported issues with connectivity and temperature accuracy, as well as challenges in customer support for faulty units. Overall, it offers good value for tech-savvy homeowners but may not meet everyone's expectations.

8.6/10
Expert
7.3/10
Consumer

Pros

  • Works seamlessly with Siri, Alexa, and Google Assistant.
  • Energy Star Certified, helping to save on energy costs.
  • Supports up to 32 remote sensors.
  • Offers a useriendly DIY installation process.
  • Customizable heating and cooling schedules.
  • Provides energy monitoring and detailed reports.
  • Discreet, compact design that fits well in any home décor.
  • Offers reminder notifications for filter changes.
  • Compatible with eco+ software for additional energy savings.

Cons

  • Requires a ire or external power kit, which may complicate installation for some users.
  • Lacks some advanced features present in highend models from competitors.
  • Touchscreen interface can occasionally be unresponsive.
  • Remote sensors are an optional addition and not included with the main unit.
  • Some users have reported connectivity issues with Wi at times.
  • Limited support for multone HVAC systems.

Bottom Line

The ecobee3 Lite Smart Thermostat is a solid choice for users looking to integrate a smart thermostat within their home ecosystem, especially if they're already using Siri, Alexa, or Google Assistant. Its energy-saving capabilities and support for remote sensors make it a versatile and cost-efficient option. However, the need for a C-Wire and some occasional Wi-Fi connectivity issues might be a drawback for some. If you're looking for more advanced features, you might want to consider higher-end models.

Read full expert review

What Reviewers Are Saying

Praised
installation is straightforward14%
great customer support9%
energy-saving reports9%
easy to program9%
intuitive app9%
Criticized
PEK is useless5%
poor wifi connectivity9%
screen too small5%
defective unit9%

Customer Ratings

11,991 reviews averaging 4.5 out of 5 stars from Amazon
4.5
11,991 reviews
5
77%
4
10%
3
4%
2
2%
1
6%

Based on 11,991 reviews from Amazon

Discussion

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