Both technologies have reached significant milestones: Honeywell invents and manufactures a range of technologies aimed at making the world more sustainable, secure, clean, connected, productive and energy efficient. Honeywell's legacy in energy efficiency began more than 125 years ago with the invention of the modern thermostat, and Honeywell continues to lead in this area with best-in-class solutions for homes, buildings, factories and transportation. Nearly 50 percent of Honeywell's portfolio is dedicated to energy efficient products and services, ranging from programmable thermostats and energy management systems, to turbochargers and green fuels, to industrial controls and lighter aircraft components. Honeywell Performance Materials and Technologies (PMT) is a global leader in developing advanced materials, process technologies and automation solutions.