![Johnson Controls GLAS review: Costly Cortana-powered GLAS thermostat has a striking design, but it's not for everyone Johnson Controls GLAS review: Costly Cortana-powered GLAS thermostat has a striking design, but it's not for everyone](https://www.cnet.com/a/img/resize/395a550524f580b5bf6df363f1a083c543a967e6/hub/2018/08/21/e1d332df-91cb-4e33-8b4c-35b248124df2/glas-7.jpg?auto=webp&fit=crop&height=900&width=1200)
Johnson Controls GLAS review: Costly Cortana-powered GLAS thermostat has a striking design, but it's not for everyone
![GLAS Smart Thermostat by Johnson Controls, Translucent OLED Touchscreen, Wi-Fi, Mobile App, Works with Amazon Alexa: Amazon.com: Tools & Home Improvement GLAS Smart Thermostat by Johnson Controls, Translucent OLED Touchscreen, Wi-Fi, Mobile App, Works with Amazon Alexa: Amazon.com: Tools & Home Improvement](https://m.media-amazon.com/images/I/71QMOfYdwjL._AC_UF894,1000_QL80_.jpg)
GLAS Smart Thermostat by Johnson Controls, Translucent OLED Touchscreen, Wi-Fi, Mobile App, Works with Amazon Alexa: Amazon.com: Tools & Home Improvement
![GLAS Smart Thermostat by Johnson Controls, Translucent OLED Touchscreen, Wi-Fi, Mobile App, Works with Amazon Alexa: Amazon.com: Tools & Home Improvement GLAS Smart Thermostat by Johnson Controls, Translucent OLED Touchscreen, Wi-Fi, Mobile App, Works with Amazon Alexa: Amazon.com: Tools & Home Improvement](https://m.media-amazon.com/images/I/41Klk1gvqRL._CR2,0,716,404_SR684,386_.jpg)
GLAS Smart Thermostat by Johnson Controls, Translucent OLED Touchscreen, Wi-Fi, Mobile App, Works with Amazon Alexa: Amazon.com: Tools & Home Improvement
![HY517-WIFI Weekly Programmable Digital Thermostat LED Glass Touch Screen Electric Underfloor Heating Factory Price HY517-WIFI Weekly Programmable Digital Thermostat LED Glass Touch Screen Electric Underfloor Heating Factory Price](https://ae01.alicdn.com/kf/He0e744ea64f149cc9956dbb0072f40e6H.jpg_640x640Q90.jpg_.webp)