Plug-in electric fireplaces are self-contained units that simply plug into a standard household outlet, offering instant setup without the need for hardwiring, venting, or remodeling. Their portability and ease of installation allow you to move them between rooms or even take them with you if you relocate. Unlike built-in or wall-mounted models that require permanent placement, plug-ins provide flexibility while still delivering realistic flame effects and supplemental heat. This makes them a practical choice for renters, temporary setups, or anyone who wants the ambiance of a fireplace without committing to a fixed installation.