The ecobee EMS Si provides the power to monitor and control commercial building’s HVAC systems and automate ancillary devices— all at a fraction of the price of a Building Automation System.
ecobee EMS Si Thermostat
The ecobee EMS Si provides the power to monitor and control commercial building’s HVAC systems and automate ancillary devices— all at a fraction of the price of a Building Automation System.

Deliver Big Savings with EMS Si
The most cost-effective energy management solution.

Control. Anytime, Anywhere.
Customers can manage an unlimited number of thermostats, all from a single web portal and mobile app.
Controlled Access
Administrators have complete control of thermostat settings and can establish different permissions for building managers and other employees. Administrators can limit employee access or lock thermostats to minimize energy waste.
Easy Monitoring
ecobee’s remote diagnostics and reporting tools help identify and assess problems remotely, reducing administration time and HVAC service costs.
Smart, Really Smart
Intelligent algorithms use thousands of data points to optimize for comfort when a building is occupied, and save energy when it’s not.
Compatibility
- Conventional (2H/2C)
- Heat pump (3H/2C) incl. 1-stage auxiliary heat
- Gas, oil, electric
- Dual fuel

Peace of Mind
- Automatic alerts and service reminders
- HVAC Reports for remote diagnostics and troubleshooting

Connectivity & Security
ecobee uses the latest encryption technologies to ensure that data is protected both in transmission and network access. The ecobee EMS Si is designed to support:
- 802.11 b/g/n wireless routers
- WEP 64, WEP 128, WPA and WPA2 encryption methods
- 168 bit SSL encryption
- DHCP (dynamic) or Static IP addressing
Automation
Two dry contact inputs and/or 10K resistive temp sensors that can be programmed to:
- Act as the thermostat control sensor
- Monitor freezers and coolers
- Adjust the heat and or cool set temperatures
- Switch the system to occupied or unoccupied mode
- Shut down the compressor
- Turn fan on
- Disable heat
Easy Installation
- Installation and set-up in less than one hour
- Automatically detects the local wi-fi network
- No gateway required
EB-EMSSi-01 |
---|
5.5 in x 3.25 in x 1 in |
Less than 3.5VA |
-31°F to 113°F (-35°C to 45°C) |
Transport layer security (TLS) |
Wi-Fi, IEEE 802.11 b/g/n @ 2.4 GHz, Wi-Fi Protected Access ( WAP/WAP2), Wired Equivalent Privacy (WEP), DHCP (dynamic) or static IP addressing, 915 MHz |
5% to 95% RH display: 20% to 90% RH |
45°F to 92°F |
Dimensions (W x H x D) |
Power Consumption |
Storage Temperature |
Security Features |
Wireless Features |
Humidity |
Temperature Range |
Support Documents
Distributed Brand Warranty
Information on the warranty coverage for this item is found on the manufacturer’s website . Snap One may assist you with a return in accordance with our Return Merchandise Authorization process found here , in so far as the process is in accordance with the manufacturer’s warranty. Specific warranty terms and details from the manufacturer are below.
Keycap engravings
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