The Kirby Company is a manufacturer of high-en vacuum cleaners and home cleaning accessories, based in Cleveland, Ohio. It is a subsidiary of the Scott Fetzer Company and part of Berkshire Hathaway. Since the 1920s, Kirby's products have been sold only door-to-door using in-home demonstrations. Kirby vacuum cleaners have a retro look reminiscent of a 1920s model. The company's cleaners are often described as effective in The new development of a self propelled function introduced in the G Series making cleaning much easier.