craiyon logo

An educational illustration showing a radiator heating a cozy room with a window looking out onto a snowy winter scene. Warm and cold air currents are indicated by glowing arrows and colored overlays.

An educational illustration showing a radiator heating a cozy room with a window looking out onto a snowy winter scene. Warm and cold air currents are indicated by glowing arrows and colored overlays.

A room showing how heat spreads from a radiator under a window. Add glowing arrows and soft colored overlays to show warm and cold areas. Cozy interior, educational illustration. See more