Rheem PROPH50 T2 RH375-30 50 Gal. Residential Electric Water Heater Product Overview: The Rheem ProTerra Electric Hybrid is the smartest, most efficient water heater on the market. It features a hybrid heat pump design making it 400% the efficiency of standard electric water heaters. It's so efficient, it pays for itself in 2 years or less and has an estimated energy cost savings of up to $3,150 over 10-years. It's smart: with its built-in Wi-Fi and the EcoNet app, you can check hot water availability, track energy usage and can control its modes; you can choose the efficiency or performance you want. Pays for itself in 2 years or less thanks to an amazing 3.75 energy factor and features that deliver long-term savings. Smartest: built-in EcoNet Wi-Fi technology allows you to manage hot water and avoid cold showers; track weekly, monthly and yearly energy usage; and manage heating schedule your mobile device. Sustainable: reduces carbon footprint with 75% reduction in energy use. 
Save even more with ENERGY STAR rebates: it is ENERGY STAR certified so it may be eligible for rebates in your area, check for rebates through your state and local government or electric utility provider. Self-cleaning: fights sediment build-up at the bottom of the tank to prolong tank life and maintain efficiency. More hot water: provides more hot water than many standard residential electric models providing ample hot water for households with 2-4 people or homes with 2 plus bathrooms. 
Easy installation: easily accessible electrical junction box for convenient hook up and drop-in replacement for nearly any standard electric water heater. 
Ductable: duct colder exhaust air into your attic, another room or out of your home 
Easy to maintain: premium brass drain valve for easy draining and stainless steel elements that prevent buildup. 
Demand response ready: if your utility requires a grid connection, connect without any additional cost.