Cost of Operation. A residential water heater contributes to as much as 30 percent of a household's energy cost-second only to the expense of a home's heating and cooling system. Selecting the right water heater-one that is efficient and the right capacity-can dramatically impact your monthly energy bill.
Use the following steps to force stop an application: 1  Open the Applications tab and tap Settings, and next tap Applications. 2  Tap Manage Applications. 3  In the list of running applications, select the application you wish to close and tap Force Stop.
To clear cache for all the Android apps in one go, follow these steps: 1  Head into the Settings menu of your phone or tablet by pulling down the notification shade and tapping on the gear icon on the top. 2  Look for storage and tap on it. 3  Now tap on Cached Data. 4  You will notice a pop-up screen which will ask for confirmation.