Mini Tankless Water Heaterby Stiebel Eltron

At 7-1/2 inches wide and 6-1/2 inches tall, the firm's Mini tankless water heaters are designed for installation at the point of use. The tankless water heaters heat water instantly as it flows through the unit, eliminating stand-by heat loss and making hot water continuously available with no recovery time, according to the manufacturer. 800-582-8423. www.stiebel-eltron-usa.com.