# What is the best smart thermostat for remote control via mobile app? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What is the best smart thermostat for remote control via mobile app?

## Products

### Google Nest Thermostat GA01334-US
```yaml
product: google-nest-thermostat-ga01334-us
brand: Google
price_gbp: 73.82
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
geofencing: Uses phone location with Home and Away routines
smartphone_app: Google Home app
humidity_sensing: Yes
energy_consumption: Less than 1 kWh/month
wi_fi_connectivity: 802.11b/g/n 2.4 GHz and 802.11a/n 5 GHz Wi-Fi
voice_assistant_compatibility: Google Assistant and Amazon Alexa
```

- **Price:** £73.82 [^1]
- **Summary:** The Google Nest Thermostat GA01334-US is a Wi-Fi smart thermostat with Google Home app control, voice compatibility with Google Assistant and Alexa, and automatic energy-saving features. It suits households wanting convenient remote temperature control and compatibility with most 24V heating and cooling systems.
- **Ideal For:** It is a strong choice for remote control via mobile app because the Google Home app allows temperature and schedule adjustments from anywhere over dual-band Wi-Fi, while phone-location-based Home and Away routines can reduce energy use.
- **Additional Sources:** [^2], [^3]

### Google Nest Learning Thermostat 4th Gen GA05551-US
```yaml
product: google-nest-learning-thermostat-4th-gen-ga05551-us
brand: Google
price_gbp: 169.8
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
geofencing: Location-based triggers
smartphone_app: Google Home app
humidity_sensing: Yes
temperature_range: 50°F to 90°F
wi_fi_connectivity: Wi-Fi 802.11n 2.4 GHz and 5 GHz
voice_assistant_compatibility: Google Home and Matter
```

- **Price:** £169.8 [^4]
- **Summary:** The Google Nest Learning Thermostat 4th Gen learns temperature preferences, supports remote control through the Google Home app, and includes a Nest Temperature Sensor. It suits homeowners seeking automated energy savings, HVAC monitoring, and compatibility with Google Home or Matter-enabled smart homes.
- **Ideal For:** It specifically suits remote mobile control because the Google Home app lets users adjust the temperature and schedule from anywhere over Wi-Fi, while geofencing can automatically respond when they leave or return home.
- **Additional Sources:** [^5], [^6]

### Mysa Mysa Smart Thermostat
```yaml
product: mysa-mysa-smart-thermostat
brand: Mysa
price_gbp: 76.19
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
geofencing: true
smartphone_app: Mysa app for iOS and Android
humidity_sensing: Built-in humidity sensor with ±2% accuracy
wi_fi_connectivity: 2.4 GHz 802.11 b/g/n Wi-Fi
voice_assistant_compatibility: Amazon Alexa, Apple HomeKit, Google Home
```

- **Price:** £76.19 [^7]
- **Summary:** The Mysa Smart Thermostat provides remote temperature control through the Mysa app, with 2.4 GHz Wi-Fi, geofencing, scheduling, humidity monitoring, and smart-home integration. It suits compatible central HVAC systems, including furnaces, heat pumps, central air conditioning, and some hydronic systems.
- **Ideal For:** It suits remote control via mobile app because the Mysa app for iOS and Android provides complete control from anywhere, while Wi-Fi connectivity and geofencing support automatic away adjustments.

### Sensi Smart Thermostat ST55
```yaml
product: sensi-smart-thermostat-st55
brand: Sensi
price_gbp: 95.97
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
geofencing: true
smartphone_app: Sensi app for iOS and Android
humidity_sensing: Yes
energy_consumption: About 23% HVAC energy savings
wi_fi_connectivity: 2.4GHz Wi-Fi
voice_assistant_compatibility: Amazon Alexa, Google Assistant, Apple Siri
```

- **Price:** £95.97 [^8]
- **Summary:** The Sensi Smart Thermostat ST55 provides remote temperature control through its smartphone app, along with scheduling, geofencing, usage reports, and humidity monitoring. It suits homeowners who want an easy-to-use, ENERGY STAR-certified thermostat with broad smart-home compatibility and DIY installation for most systems.
- **Ideal For:** It suits remote control via mobile app because the Sensi app for iOS and Android lets you adjust and schedule the ST55 from anywhere, while geofencing can automatically change settings based on your smartphone location.
- **Additional Sources:** [^9]

---
## References & Sources
[^1]: Abt, accessed 2026-09-01. https://www.abt.com/Google-Nest-Snow-Thermostat-GA01334US/p/154596.html
[^2]: Home Depot, accessed 2026-09-01. https://www.homedepot.com/p/Google-Nest-Thermostat-Smart-Programmable-Wi-Fi-Thermostat-Snow-GA01334-US/314573006
[^3]: Best Buy, accessed 2026-09-01. https://www.bestbuy.com/product/google-nest-thermostat-programmable-wi-fi-smart-thermostat-snow/JJ8T5C793V
[^4]: Home Depot, accessed 2026-09-01. https://www.homedepot.com/p/Google-Nest-Learning-Thermostat-4th-Gen-with-Nest-Temperature-Sensor-2nd-Gen-Polished-Silver-GA05551-US/330450402
[^5]: Abt, accessed 2026-09-01. https://www.abt.com/Google-Nest-Learning-Thermostat-4th-Gen-in-Polished-Silver-GA05551US/p/211035.html
[^6]: Best Buy, accessed 2026-09-01. https://www.bestbuy.com/product/google-nest-learning-thermostat-4th-gen-with-nest-temperature-sensor-2nd-gen-polished-silver/JJ8T5CCS6K
[^7]: Mysa, accessed 2026-09-01. https://getmysa.com/en-us/products/smart-thermostat
[^8]: The Home Depot, accessed 2026-09-01. https://www.homedepot.com/p/Copeland-Sensi-Smart-Thermostat-Wi-Fi-7-day-Programmable-No-C-Wire-Required-for-Most-Systems-ST55/301231478
[^9]: Best Buy, accessed 2026-09-01. https://www.bestbuy.com/product/emerson-sensi-smart-programmable-wi-fi-thermostat-works-with-alexa-white/J325YX79WC