Google T4000ES Hubless Smart Thermostat: Programmable smart thermostat that learns temperatures and programs itself for energy savings
This smart thermostat is for the busy homeowner who wants to manage energy bills without constant manual adjustments. While many focus on home automation, this device offers peace of mind by proactively protecting your HVAC system and budget.
The thermostat learns your preferences and programs itself, so you save energy effortlessly. It sends alerts if your heating or cooling system has issues, giving you a heads-up before a costly repair. You can control it remotely via the Nest app, making it easy to adjust temperatures from anywhere. With Alexa compatibility and Google Assistant support, you simply use your voice for changes. The frosted display blends into your decor, and installation takes about an hour with included tools.
Use the Energy History feature to track usage and identify savings opportunities. It works with Nest Temperature Sensors to ensure specific rooms stay comfortable. This isn't just a gadget; it's a practical tool for maintaining home efficiency and comfort year-round.
Features
- Home/Away Assist automatically adjusts to Eco Temperature when away
- Remote control via phone, laptop, or tablet from anywhere
- HVAC monitoring with alerts for heating and cooling system issues
- Works with Alexa, Google Assistant, and other smart speakers for voice control
- Easy installation in 60 minutes or less, compatible with 95% of systems
- Programmable smart thermostat that learns temperatures and programs itself for energy savings
General specs
- Brand: Google
- Model: T4000ES
- Seller: Amazon
- ID: B074NBTCY7
- C-Wire: Required
- Material: Plastic
- Dimensions: 4.88, 2.32, 6.46
- Scheduling: Weekly
- Connectivity: Wi-Fi
- Display Type: LCD
- Power Source: Hardwired
- Control Methods: App, Voice
- OS Compatibility: Android, iOS
- Compatible Systems: Air Conditioner, Electric Boiler, Electric Floor Heating, Fan Coil Unit, Gas Boiler, Hydronic Floor Heating, Water Heating
- Smart Home Compatibility: Amazon Alexa, Google Assistant
- First listed by seller: 1/16/26
If you are interested in more details, you can find full information on the seller's page.
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Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Google T4000ES White
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Google 3rd Gen Stainless Steel
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Google GA01334-US Snow
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Emerson ST25 Black Save about 23% on HVAC energy
|
Emerson ST75W White Works with Alexa, Google Assistant, Apple HomeKit
|
COOKING-MALL M4A Works with Alexa and Google Assistant
|
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| Brand | Emerson | Emerson | COOKING-MALL | |||
| Model | T4000ES | 3rd Gen | GA01334-US | ST25 | ST75W | M4A |
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| Price | $89.99 | $169.00 | $74.50 | $66.00 | $110.52 | $75.73 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Joom |
| Update | January 16, 2026 | January 16, 2026 | January 16, 2026 | January 16, 2026 | January 16, 2026 | January 15, 2026 |
| C-Wire | Required | Required | Required | |||
| Dimensions | 4.88, 2.32, 6.46 | 6, 8, 1.5 | 3.31, 1.07, 3.31 | |||
| Scheduling | Weekly | Weekly | Weekly | |||
| Connectivity | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi |
| Display Type | LCD | LCD | Color LCD | |||
| Power Source | Hardwired | Hardwired | Hardwired | Wired | ||
| Control Methods | App, Voice | App, Remote Control | App, Manual, Voice | App | Touchscreen, App | Voice |
| OS Compatibility | Android, iOS | Android, iOS | Android, iOS | |||
| Compatible Systems | Air Conditioner, Electric Boiler, Electric Floor Heating, Fan Coil Unit, Gas Boiler, Hydronic Floor Heating, Water Heating | Air Conditioner, Gas Boiler, Hydronic Floor Heating, Water Heating | Air Conditioner, Electric Boiler, Electric Floor Heating, Fan Coil Unit, Gas Boiler, Hydronic Floor Heating, Water Heating | Electric Floor Heating | ||
| Smart Home Compatibility | Amazon Alexa, Google Assistant | Amazon Alexa | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant | ||