- What's in the Box
- Install Video
- Technical Features
- FAQs
Installing GLAS® is easy.
After careful consideration, Johnson Controls has discontinued the GLAS Smart Thermostat (model number SIO2-10000). However, we stand by our products. Therefore, we will continue to provide GLAS users with outstanding customer service and support. Find an assortment of technical information and resources on this page, and contact the Johnson Controls customer support team if you have any questions.
What’s in the box?
- GLAS smart thermostat with anodized metallic finish
- Quick start guide
- Installation instructions
- Paintable back plate
- Screws and drywall anchors
- C-wire adapter
- Air seal
- Wiring stickers
What’s behind GLAS?
So much more than a wall.
Get to know GLAS by watching these installation videos.
To download the installation instructions for GLAS, click here.
To download the installation instructions for GLAS, click here.
We take you through the whole process, from removing your old thermostat to the tools you need, to wiring info. GLAS looks beautiful on any wall, so we make it simple for you to get yours installed.
- Getting Started
- Removing your old thermostat
- Installing the adapter
- Attaching GLAS
- Wiring GLAS
Technical features
The powerful capabilities of GLAS are a product of forward-thinking engineering and cutting-edge thermostat design. The sleek 5 in. H x 5.51 in. W x 1.18 in. D thermostat is the first of its kind to incorporate a translucent OLED touchscreen.
FAQs
How are my energy savings calculated? How do I schedule a vacation? Get answers to your GLAS questions.