Johnson Controls GLAS Smart Thermostat
by Johnson Controls
Premium smart thermostat with translucent OLED touchscreen, indoor air quality monitoring (tVOC/eCO2), and compatibility with most 24V HVAC systems.
6.1 - Good Media
Overview
The Johnson Controls GLAS is a design-forward smart thermostat featuring a 40% translucent OLED color touchscreen. Beyond temperature control, it monitors indoor air quality by measuring total volatile organic compounds (tVOC) and equivalent CO2, and displays outdoor AQI, UV index, and allergens when connected to Wi-Fi. Compatible with most 24V heating and cooling systems including gas, electric, oil, radiant, and forced air. Integrates with Amazon Alexa and Google Home for voice control. No C-wire required with included power extender kit.
FSH Score Breakdown
Customer Reviews
Key Features
| Feature | Value |
|---|---|
| Remote Sensor Support | ❌ |
| Geofencing Capability | ❌ |
| Learning Algorithm | ❌ |
| HVAC Monitoring Alerts | ✅ |
All Features
| Feature | Value |
|---|---|
| C-Wire Required | ✅ |
| Voice Assistant Integration | ✅ |
| Touchscreen Display | ✅ |
| Occupancy Sensing | ❌ |
| Open Window Detection | ❌ |
| Energy Usage Reports | ❌ |
| Multi-Stage Compatibility | ✅ |
| Local Control Mode | ✅ |
| Humidity Control | ❌ |
Pricing
- Model
- Custom
- Starting at
- Contact for pricing
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