The Bosch Compress HP 200-1 water heater is a heat pump water with a 50 gallons storage tank and an energy factor of 2.2. If you're shopping for a new electric water heater, check out the other electric heat pump water heaters to get a good comparison.
From the A.O. Smith Voltex website: Features Absorbs environmental heat and transfers it to the water, at the same time cooling and dehumidifying the ambient air With an 80-gallon tank, more energy is created through the heat pump technology, resulting in larger savings Four operation modes: high e... Read More
From the Rheem website: "The Rheem Hybrid Electric Water Heater features heat pump technology that makes it over TWICE as efficient as standard electric water heaters" And from their How It Works section: "Rheem air-source heat pump water heaters work much like a refrigerator in reverse. The heat p... Read More
GE describes how the unit works in the GeoSpring Hybrid water heater features: "A compressor and evaporator are integrated into the electric water heater unit and the evaporator draws in ambient heat from surrounding air using two variable speed fans. Condenser coils wrap the tank all the way to th... Read More