Water heating is the second-highest home energy cost for most household. Natural gas water heaters generally heat water faster and cost much less to operate. Water is stored in an insulated tank where it is heated and distributed according to temperature setting and requirement. By selecting an energy efficient Hot water heater, we can reduce our energy bills. There are four types of gas water heaters.
(a)Power-vented: Power vented gas water heaters use a fan to exhaust flue gases outdoors. They are efficient and work through an approved safe venting system.However,an electric supply must be available near the power-vented gas water heater for venting and ignition purposes.
Conventional electric water heaters use an electric element (heater), placed inside the water tank. They consume a big amount of electric energy. Their demand has been the places, where availability of natural gas was a problem. At present, they are being replaced to gas water heaters subject to having natural gas available.
