# What are the best smart thermostats for small homes or apartments? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are the best smart thermostats for small homes or apartments?

## Products

### Amazon Amazon Smart Thermostat (S6ED3R)
```yaml
product: amazon-amazon-smart-thermostat-s6ed3r
brand: Amazon
price_gbp: 30.38
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
geofencing: User device based
energy_consumption: 0.89
smart_home_compatibility: Amazon Alexa
voice_assistant_compatibility: Alexa-enabled device required for voice control
```

- **Price:** £30.38 [^1]
- **Summary:** Amazon Smart Thermostat (S6ED3R) is an ENERGY STAR certified, Wi-Fi thermostat designed for most 24V HVAC systems. It uses Alexa for scheduling/voice control via the Alexa app and Alexa-enabled devices, and supports user device based geofencing. It includes humidity sensing and standby power of 0.89 W.
- **Ideal For:** It fits small homes or apartments running common 24V forced-air, heat pump, or radiant boiler systems and works with Alexa, offering app-based control plus geofencing based on your user device.
- **Additional Sources:** [^2], [^1], [^2]

### ecobee ecobee Smart Thermostat Premium (EB-STATE6-01)
```yaml
product: ecobee-ecobee-smart-thermostat-premium-eb-state6-01
brand: ecobee
price_gbp: 159.54
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
geofencing: User device based
temperature_range: 45° to 92°F
learning_capabilities: Learns your routine and recommends changes to your thermostat schedule
smart_home_compatibility: Apple HomeKit, Amazon Alexa, Google Assistant, SmartThings, IFTTT
voice_assistant_compatibility: Alexa Built-in, Siri
```

- **Price:** £159.54 [^3]
- **Summary:** ecobee Smart Thermostat Premium combines scheduling automation with built-in occupancy sensing and home/away adjustments to save energy automatically. It also supports voice control (Alexa Built-in or Siri when enabled via an Apple Home hub) and provides smart home integrations like Apple HomeKit, Amazon Alexa, Google Assistant, SmartThings, and IFTTT. It's a good fit for people who want hands-free control plus automatic comfort management in small homes or apartments.
- **Ideal For:** It's well-suited for small apartments because it includes SmartSensor for room-by-room hot and cold spot control and uses home/away automation to adjust when you leave and restore comfort when you return.
- **Additional Sources:** [^4], [^3], [^4]

---
## References & Sources
[^1]: PECO Marketplace, accessed 2026-06-26. https://www.pecomarketplace.com/peco/amazon-smart-thermostat-1.html
[^2]: Conservation Mart, accessed 2026-06-26. https://www.conservationmart.com/amazon-smart-thermostat-works-with-alexa-and-ring-c-wire-required-s6ed3r/
[^3]: Home Depot, accessed 2026-06-26. https://www.homedepot.com/p/ecobee-Smart-Thermostat-Premium-with-Smart-Sensor-and-Air-Quality-Monitor-Wifi-Works-with-Siri-Alexa-Google-Assistant-EB-STATE6-01/319478899
[^4]: Best Buy, accessed 2026-06-26. https://www.bestbuy.com/product/ecobee-premium-smart-programmable-touch-screen-thermostat-with-siri-alexa-apple-homekit-and-google-assistant-black/JXC53VG8P8