As a general rule of thumb, cooker hoods should be placed at least 650mm above electric hobs, and 750mm above gas hobs. To ensure you have enough room to cook, you should leave a minimum clearance of approximately 500mm for induction hobs, up to around 650mm for gas hobs. ...
Electric Hob If you have an electric hob you might be surprised to know that they cost substantially more to run than their gas counterparts. One of the easiest ways to minimise excess energy usage here is to make sure you use both a proportionately sized pot or pan for the food as well...