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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:

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
  • Guests 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