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Warren Seymour Johnson - Portrait courtesy of Johnson Controls corporate archives. Warren Seymour Johnson (November 6, 1847 – December 5, 1911) was an American college professor who was frustrated by his inability to regulate individual classroom temperatures. His multi-zone pneumatic control system solved the problem.
A Johnson Super-Sensitive Thermometer on an old air conditioning unit. In 1883, Warren S. Johnson, a professor at the Whitewater Normal School (now University of Wisconsin–Whitewater) in Whitewater, Wisconsin, received a patent for the first electric room thermostat.
In 1992, Brookfield and Johnson Controls was established through a merger in Canada of Brookfield and Johnson Controls—a building systems and facility management company that was founded in the late 19th century by Warren S. Johnson, whose invention of the first electric room thermostat helped launch the building control industry.
Warren S. Johnson, who was the founder of Johnson Controls, then known as Johnson Electric Service Company in 1885 in Milwaukee, Wisconsin, was the inventor of the first electric room thermostat in 1883, which helped launch the building control industry.
Warren S. Johnson (1847–1911), of Wisconsin, patented a bi-metal room thermostat in 1883, and two years later sought a patent for the first multi-zone thermostatic control system. [8] [9] Albert Butz (1849–1905) invented the electric thermostat and patented it in 1886.
While most people know that a baby dog is called a puppy, many may not know what a baby elephant is called. In this fun infographic, explore the world of baby animals. Find out what they’re ...
Tesla’s global vehicle sales rose 2.3% in the final quarter of 2024 thanks to 0% financing, free charging and low-priced leases.
Bird flu has been on the rise in Washington state and one sanctuary was hit hard: 20 big cats – more than half of the facility’s population – died over the course of weeks.
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