The 2nd term to apprehend is "performance". Keilini Portable Heater This is a measure of ways well energy (which includes herbal gas or propane with gasoline pool warmers) may be changed into warmness to your pool water. In an ideal world all the gas would be converted into warmth which could mean efficiency of a hundred%. Lamentably, inside the real global things are not quite so excellent and most fuel pool warmers have an efficiency between about eighty% (as an instance, the Hayward H-Series Millivolt heater is rated at 81%) and top out around 95% (as an example, the Jandy Hi-E2 heater rated at ninety five%).https://www.healthmassive.com/keilini-portable-heater/