Local users. In Windows, a local user is one whose username and encrypted password are stored on the computer itself. When you log in as a local user, the computer checks its own list of users and its own password file to see if you are allowed to log into the computer.
Energy-Efficient Models. An energy-efficient large freezer with more than 25 cubic feet will use about 956 kilowatt-hours per year, according to EnergyStar.gov. That equates to about $10 a month. When you reduce the size of your freezer, your costs go down. Standard freezer sizes run between 19 cubic feet and 22 cubic feet. Monthly costs for these units average about $67 per year or a little over $5 a month.
It is also one of those appliances which come in the category of a major purchase due to the high cost factor which means that you buy a refrigerator to last long. But how long should a refrigerator last? An average refrigerator is made to last at least 12-14 years. Depending on the way you maintain your refrigerator, it can even run up to 17 years or more. When you care for your appliances, it shows. Regular maintenance can prolong the lifespan of your refrigerator as well as help to keep the electricity bills down.