Though it is being considered that the comfort height and the chair height toilets are different toilets, in reality, both of these toilets have the same height. Comfort height toilet is actually is a brand-specific name given by the renowned company Kohler. On the other hand chair height is the most used name for the toilets having a height of 17 to 19 inches. Basically, there is no significant difference regarding the structure and the design as well.