These heaters are most commonly fitted into the plinth or kickboard underneath your kitchen units , but they can be fitted in restaurants , shops , cinema rooms , workshops and offices. See this NICEIC link for details on using kitchen appliances safely. People have also installed under stair cases and in the bases of beds and wardrobes. If you can get the central heating pipework in the areas then the options are endless. Rooms to avoid without checking with your electrician are the bathroom and rooms with high humidity. For these there are low voltage dc versions that can be used safely in bathrooms.