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Thermostat Types
IP / Network / Ethernet
Battery Backup
Energy Efficient
LCD Display
Multi-Stage Control
Remote Web Programming
Web Access
Web Support
24V AC
Ease of Installation
Intermediate (Installs < 60 minutes)
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Ecobee EB-EMSSI-01 Wi-Fi Commercial Programmable Thermostat
Ecobee EB-EMSSI-01 Wi-Fi Commercial Programmable Thermostat
Ecobee EB-EMSSI-01 Wi-Fi Commercial Programmable Thermostat
Item# 29937
Price: Normally $500.00 
Hot Deal $423.53
Free shipping on orders over $175 - See Details


  • Wi-Fi Enabled
  • Intelligent Automation
  • Easy to use Web Portal
  • Create multiple unique occupancy schedules
  • Remote diagnostics and HVAC reports
  • Alerts and reminders
  • Create an unlimited number of calendar events
  • Control multiple thermostats and locations across diverse geographies

Essential Info

The ecobee EMS Si is a practical energy management solution that will save you time and money. ecobee is the most cost-effective centralized solution to monitor and control your building's heating and cooling system - all at a fraction of the price of a traditional Building Automation System. Many schools, religious congregations, municipal and government buildings, commercial facilities, and restaurants across North America are already taking advantage of significant cost and energy savings with ecobee.

The ecobee Energy Management System (EMS) is the newest technology designed for the commercial market. It is ideal in applications where a simple programmable Thermostat does not provide adequate controls and functionality and a full-scale building automation system is too complex and cost prohibitive. The ecobee EMS Si is user friendly, reduces a building’s operating costs and delivers increased energy conservation. Through a dedicated EMS Web Portal, users can remotely monitor, identify, analyze and trouble-shoot performance issues; manage the temperature and operational settings from a central location and take action without having to send a technician on-site, reducing the need for truck rolls. The ecobee EMS Si will maximize any building’s efficiency, reduce energy consumption and deliver significant cost savings.

It features 7-day programming, with multiple occupied and unoccupied periods per day. There is random restart Secure Wi-Fi connectivity and a web portal for online management/diagnostics. An Economizer and Ventilator control for the Intelligent automation function. It utilizes Standard 4-wire install

What's Included

  • 1x - Ecobee EB-EMSSI-01 Wi-Fi Commercial Programmable Thermostat
  • 1x - Set of mounting Hardware
  • 1x - Owner's Manual
  • More Info

    What makes the EMS Si so great?
      • Save Money - The ecobee EMS Si allows you to start saving on your energy bill immediately, providing a fast return on investment. Alerts notify you right away if there is an issue with your heating and cooling system, helping to prevent costly equipment failures. HVAC reports allow you to monitor your system performance and conduct remote diagnostics, reducing your service call frequency and equipment downtime.
      • Save Time - The EMS Si is Wi-Fi enabled, so you can control the HVAC system for one or more of your commercial locations anytime, anywhere you have an internet connection. The ecobee EMS Si is simple to install, and the easy to use web portal allows you to track and analyze your system's performance. With the ecobee Web Portal, you can set up an unlimited number of user accounts, each with a defined level of secure access as designated by the administrator.
      • Save Energy - The EMS Si helps you save energy by making it simple to run the right schedule in the right place at the right time. Built-in intelligent algorithms combine weather data, your HVAC equipment run times and occupancy schedules to optimize your systems' performance and maximize energy savings.


    Manufacturer Product No.EB-EMSSI-01
    Terminal DesignationsW2 AUX, W O/B , Y, Y2, G, C, RH, RC, R1-, R1+, R2-, R2+
    Power Method24VAC
    Stages Heat/Cool3/2
    System ApplicationConventional, Heat Pump, Geothermal, Boiler, Radiant, Duel Fuel, PTAC

    Important notes:
    Only defective exchanges for identical item within 30 days of purchase. No other returns allowed on this item. For defective returns after 30 days, please contact the manufacturer.
    Manufacturer contact information: Jackson Systems LLC, Tel: (888) 652-9663


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