Residential Design & Build Product Guide

Tankless Water Heater

The ESI 2000 electronic tankless water heater from Envirotech Systems Worldwide is designed to save users as much as 60 percent in water heating energy costs over conventional storage tank water heaters. It uses microprocessor technology and flow sensing to make hot water instantly available as soon as any or all faucets on the line are turned on, although the water is heated only as needed.