Want to save on energy bills while keeping your home perfectly comfy? A smart thermostat lets you control heating and cooling from your phone or voice assistant β plus learn your schedule for optimal efficiency.
Weβve reviewed the best smart thermostats on Amazon that combine ease of use, features, and affordability in 2025.
π₯ 1. Google Nest Learning Thermostat (3rd Gen) β Best Overall Smart Thermostat
Why we love it:
The Nest learns your schedule and adjusts heating/cooling automatically. It integrates with Google Home and Alexa, has a sleek design, and reports energy savings.
Key Features:
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Auto-schedule learning
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Works with Google Assistant, Alexa, and Apple HomeKit (via Thread)
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Energy history & savings reports
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Remote control via app
Pros:
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Intuitive and stylish
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Easy DIY installation
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Saves energy without sacrifice
Cons:
β Pricier than basic models
β Apple HomeKit support requires extra setup
β Rating: 4.7/5 from 40,000+ reviews
[π‘οΈ Click here to shop the best smart thermostats on Amazon]
π₯ 2. ecobee SmartThermostat with Voice Control β Best for Built-In Alexa
Why itβs a top pick:
Ecobee adds Alexa voice control inside the thermostat, so you donβt need an extra device. It also supports room sensors for balanced temperatures.
Key Features:
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Built-in Alexa for music & commands
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Remote room sensors included
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Supports Apple HomeKit, Google Assistant
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Smart home integrations & scheduling
Pros:
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Voice control without extra gadgets
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Smart sensors improve comfort
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Easy app control
Cons:
β Slightly bulkier than Nest
β Higher price point
β Rating: 4.6/5 from 15,000+ reviews
[π‘οΈ Click here to shop the best smart thermostats on Amazon]
π₯ 3. Honeywell Home T9 Smart Thermostat β Best Budget Option with Sensors
Why we recommend it:
Honeywellβs T9 includes sensors to detect occupancy and temperature, making it smart and affordable.
Key Features:
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Works with Alexa, Google Assistant, Apple HomeKit
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Uses room sensors for smart comfort
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Easy touchscreen display
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Energy-saving features
Pros:
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Affordable with smart features
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User-friendly app
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Compatible with most HVAC systems
Cons:
β Sensors sold separately
β Installation can be tricky for beginners
β Rating: 4.5/5 from 10,000+ reviews
[π‘οΈ Click here to shop the best smart thermostats on Amazon]
π§ Smart Thermostat Benefits:
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Save up to 23% on heating & cooling costs
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Control temperature remotely via smartphone
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Integrate with voice assistants (Alexa, Google, Siri)
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Use geofencing to adjust when you leave or return home
π‘ Final Thoughts
Upgrade your comfort and cut energy bills with a smart thermostat:
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Best overall: Google Nest Learning Thermostat
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Best voice & sensor combo: ecobee SmartThermostat
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Budget-friendly smart: Honeywell Home T9
π Control Your Homeβs Climate Smarter
[π‘οΈ Click here to shop the best smart thermostats on Amazon]
