Home Depot offers the Ecosmart 8-Kilowatt Electric Tankless Water Heater, model no. ECO 8, for $229. Coupon code "SPRINGHD" cuts it to $219. With free shipping, that's tied with our mention from two weeks ago and the lowest total price we could find by $5. It purports to save up to 60% on your water heating costs and features digital temperature control, automatic resettable thermostat, self modulating flow sensor, serviceable elements, and heat exchangers. Deal ends April 27.