A pool heater just expands the swimming season. You don't heat it year 'round, but it may be the difference between a 4-month pool and a 6-month pool. Also it'

A pool heater just expands the swimming season. You don't heat it year 'round, but it may be the difference between a 4-month pool and a 6-month pool. Also it's fun to throw parties with a nighttime 90 degree pool. Our pool costs about an hour and $10 to increase each degree. Sometimes it's worth it.