Enter mini plug-in heaters—tiny gadgets that slot right into a plug socket promising big heat for just pennies an hour. So, I put two of the lowest-costing and top-bought models I could find to ...

Not to worry, though — you can still hang a plug-in chandelier without having to hard-wire it into the ceiling. All you need ...

From this investigation, mini plug-in heaters have proved to be useful. These little devices simply slot into a plug socket, and they are promising to produce lots of heat for only pennies an hour.