HVAC Duct Underground? How about under…..Penguins? In 2013, the Kansas City Zoo in Kansas City, MO opened the state of the art penguin exhibit known as the Helzberg Penguin Plaza. Featuring several penguin species from around the world, the penguin habitat required constant chilled air delivered through an extremely corrosive environment. Not just any HVAC duct was going to stand up to the challenge. So there was the problem, now for the Solution. Monoxivent’s UnderDuct wa