York, fluoride, groundwater and gas floor heating, which is more energy-saving?

The water in York contains fluorine. In the introduction of fluoride, groundwater and gas floor heating in York, we can know that the temperature and service time of the former are higher and longer than the latter, so the former is more energy-saving. Floor heating is called radiant floor heating, which can be divided into water heating system and electric floor heating, and there are two ways: dry laying and wet laying.