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GEM Link® Wireless
Occupancy Based

Energy Management System

GEM Link Hi res Transparent150


Lodging Technology’s GEM Product series has helped the hospitality industry reduce energy costs and carbon emissions for nearly four decades.

GEM Link® Wireless is currently installed in tens of thousands of Hotel Guest Rooms, University Dorms, and Military Barracks worldwide.

Click the bar chart to see Performance Reports from satisfied clients.


  • Runs in the background, rarely needing human intervention
  • Superior Battery Life; Recommended battery change at 42 months
  • TWO Year Limited Warranty on hardware; Extended Warranties available
  • Free Technical Support for the life of the system
  • Manufactured in the USA in Internationally Certified ISO9000:2013 facilities


Connects to any HVAC system, including:

  • PTACs
  • Split Systems
  • Mini Splits
  • Fan Coil Units
  • 26″ PTACs
  • Electric Baseboard Heaters

Click the cubes to see installation photos

GEM Link® Wireless

  • Automatically determines physical presence of guests by detecting infrared body heat, not motion
  • Guets have complete control of room temperature while in the room
  • Resets room temperature to energy conserving levels when guests leave
  • Reduce wasteful HVAC energy consumption 35-45%, up to $250 per room annually
  • Return on Investment (ROI) of 50-60% with Simple Payback of 24 months or less
  • Completely wireless and easy to install
  • Manufactured in the USA in Internationally Certified ISO9000:2013 Facilities

When your guests go out, do your profits go with them? Let us show you how to save 35-45% on energy expense