Black + Decker 18kW Electric Tankless Water Heater

This heater provides endless hot water with automatic flow sensors and 1℉ temperature increments. It features a compact design that saves space and reduces heating costs by up to 50%. Constructed with durable stainless steel, it includes a 7-year leakage-free warranty and requires no gas lines or venting. Price drops from $399.99 to $299 with free shipping.