Lodging Technology, a privately held company, is the inventor of infrared occupancy sensor-based hotel energy conservation in 1980.  This is the company's 43rd year providing innovative energy management solutions to the hospitality, school / university, senior living, vacation condo, and military lodging facilities.  GEM Link® Wireless reduces HVAC consumption and expense 35% to 45% only while occupants are out of their room. 
Lodging Technology is a Vietnam era veteran-owned small business whose products are manufactured in the United States in Internationally Certified ISO facilities for the highest quality and reliability.  The company has long-term hotel customers whose GEM Series products continue to operate after 20+ years.
GEM Link® Wireless reduces both kWh Energy and kW Demand HVAC and Lighting consumption and expense based on actual in-room occupancy.  The system locks in an Occupied Mode while guests are in the room.  Guests have full control of room temperature as long as entry and balcony doors, and windows are closed.  GEM Link® prevents guests from operating the A/C with exterior doors / windows open. www.lodgingtechnology.com