The Whirlpool N40S61-403 and Ecosmart ECO 27 water heaters have top ratings from reviewers, according to Consumer Search. Other highly rated models include the GE GeoSpring GEH50DEEDSR and the Steibel Eltron Accelera SBB 300 Plus.
The Whirlpool N40S61-403 is an efficient 40-gallon gas water heater. This quiet unit provides enough hot water for multiple showers. Installation usually takes about two hours.
The Ecosmart ECO 27 is a tankless water heater for large homes. This heater has a space-saving design and allows for precise temperature control. The ECO 27 also detects water usage patterns and adapts its energy consumption accordingly, thereby increasing efficiency.