This is the summary of consumer reviews for Marey ECO150 220V/240V-14.6kW Tankless Water Heater with Smart Technology. The BoolPool rating for this product is Very Good, with 4.30 stars, and the price range is $163 - $255.

The Marey ECO150 220V/240V-14.6kW Tankless Water Heater with Smart Technology is a small and compact hot water tank that works well for small spaces. For a good price, this heater works well and nearly instantly to provide hot water to sinks, bathtubs, and showers. The stainless steel tank is durable and last years after easy installation that can be done with or without a professional. This heater is also a smart product, meaning it automatically adjusts temperature and regulates itself as it provides heat to water anywhere in the house. 

Customers say this product works well for the price. They say some of their favorite features include the compact size that fits in cabinets, under sinks, and fits in thin spaces. They also say it is easy to set the preferred water temperature on the LCD display and allow the appliance to regulate itself from there - not only is it easy, but it is also energy efficient.

Some say it requires higher voltage to work this machine, so not all circuit breakers work with it. This should be checked in the home before purchasing.