The TacoGenie delivers hot water comfort and convenience to faucets and taps "On Command" 24 hours a day, and at the same time it saves water, energy and money. Have hot water at your fingertips whenever you turn the faucet. Stop wasting water as you wait for cold to turn to hot. Stop burning energy as you wait for warm to turn warmer. The TacoGenie™ puts an end to the waste, and the wait, forever.