Water heater is a winter necessity and no one can deny this fact. They are one of the most used electrical appliances in a household during extreme weather conditions. With several electrical brands in the market with different types of water heaters, one tends to get confused with which water heater to pick. So let’s see, apart from heating water what other aspects one should look for in a water heater before buying it. Energy Efficiency It’s very important to look for an energy-efficient water heater while buying. So before buying one, simply look for the *star rating label on the water heater. If you like to buy water heater in madurai, then go for Shri Meenakshi Fan House.