This product is a modular heater which can be arranged in a straight line or curved. The heater can be set up in three shape configurations: (1) I-shaped, with heating blocks arranged in a straight line. (2) C-shaped, with heating blocks arranged in a curved line to dry wet clothes for example. (3) O-shaped, with heating blocks arranged in circle, so that everyone can sit around the warmth in a living room, for example.