Digital Illustration

Simple Illustration to describe purpose of product
Product is a doorway fan that moves hot air from a room with a log burner/ fireplace into another room in order to distribute the heat
Image should be simple and clear, limited detailing to surfaces etc.
Muted tones and harmonious colours
The image should accentuate the fan maybe with more detail in this area, heavier line weights etc.
The image need some way of showing that the room with log burner is hot and that the heat is being moved through the doorway. This could be with simple coloured lines with arrows or another method, i.e. blues and reds blending to indicate hot and cold areas.