Many children's pool owners are opting for swimming pool heaters to give their swimming season, specifically if their house is in a section with relatively short summer season. The sun is able to maintain your pool water at any swimming temperature during the future summer a number of days. But in the transitional spring and fall months, the days are shorter and the angle with the sun isn't high enough to heat your pool water noticeably. That's where pool heaters be found in. If you live in northern climates, share heaters can practically double your swimming season.