Columbine Appliance & Fireplaces is a leading service and repair provider in Boulder ~ Longmont for instant hot water dispensers and garbage disposals made by Insinkerator. InSinkErator is a company and brand name, known for producing instant hot water dispensers and waste disposal systems, generally called garbage disposals or garbage disposers. Insinkerator was founded in Racine, Wisconsin by John W. Hammes, an architect. Hammes is credited with inventing the in-sink food waste disposal in 1927, which works by grinding and shredding solid food waste. Acquired in 1968, the company is now a division of Emerson Appliance Solutions, part of Emerson, a global technology and engineering company which serves industrial, commercial, and consumer markets. The name Insinkerator is a play on the word incinerator and refers to the fact that the mouth of the disposal unit, is located in the sink. In 2006 In-Sink-Erator changed their name to InSinkErator, and redesigned the company logo. They also released a re-engineered line of high technology disposers branded as the Evolution Series. InSinkErator is headquartered in Racine, Wisconsin.