While it may seem like an old-fashioned habit to unplug your appliances, it’s actually a quick and easy way to save some energy and improve the safety of your kitchen. Space heaters fall into this category, so you should unplug your units as soon as you’re done using them. Hair Styling ToolsHair dryers and other high-heat styling tools should never be left plugged in, just like your kitchen countertop appliances. Electric KettlesIf you’re noticing a theme here: Household devices with heating elements can be a possible danger. Be sure to unplug this gadget once the kettle has reached the ideal temperature and your water is boiled.