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Ecobee SmartThermostat Premium and Johnson Controls GLAS Smart Thermostat are closely matched smart thermostats devices with nearly identical overall scores (30 vs 31). The best choice depends on which specific features matter most to you.
Scores are relative within the smart thermostatscategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
✓ Pros
| Spec | Ecobee SmartThermostat Premium | Johnson Controls GLAS Smart Thermostat |
|---|---|---|
| Price | 249$ | 249$ |
| Display | 3.5" | 5"✓ |
| Display Type | Color Touchscreen | Color Touchscreen |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 |
| Weight | 250g | 250g |
| Dimensions | 108 x 108 x 29 mm | 150 x 150 x 30 mm |
| Colors | Black, White | White |
Buy Ecobee SmartThermostat Premium if…
The Ecobee SmartThermostat Premium is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Buy Johnson Controls GLAS Smart Thermostat if…
The Johnson Controls GLAS Smart Thermostat is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Ecobee SmartThermostat Premium and Johnson Controls GLAS Smart Thermostat are closely matched smart thermostats devices with nearly identical overall scores (30 vs 31). The best choice depends on which specific features matter most to you.
Both products score similarly — it depends on your priorities.
Johnson Controls GLAS Smart Thermostat is cheaper at $249 vs $249 for the Ecobee SmartThermostat Premium.
The Ecobee SmartThermostat Premium is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
The Johnson Controls GLAS Smart Thermostat is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Johnson Controls GLAS Smart Thermostat has the larger display (5" vs 3.5").








Reviewed by VersusMatrix Editorial Team
Last updated: April 25, 2026
Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.
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