Based on real-life experiences from experienced industry professionals, including equipment and greenhouse manufacturers and growers, the presented information covers all aspects of commercial greenhouses and the equipment needed to run them--the structures themselves, benches, irrigation, heating and cooling, environmental controls, mechanization, and automation. The most recent developments in greenhouse evolution are discussed, as are the varieties of available greenhouse structures and specialized structures, including headhouses, chemical storage facilities, and retail greenhouses. New to the 19th Edition is a section on The Cannabis Greenhouse.