The best pool heater depends on what kind of heater you want for your pool. There are solar heaters, gas heaters, and pump heaters. The up and coming heaters are of the solar variety and they are currently the best out there. They are low maintenance, save you energy costs, and last for a long time.
What i s the best pool heater
form_title= Pool Heater form_header= Stay warm and swim with a pool heater! What is your budget for a pool heater?*= _  What type of pool do you have?*= () Salt Water () Chlorine What is the size of your pool?*= _ 
Hayward has a good electric heater. visit www.askpoolquestions.com for more information
Efren "BATA" Reyes at the moment...
The heater will not operate if the pump is not on.
directions for closing above ground pool with heater
Try a solar pool cover. Blue or black is best.
Do you mean a pool that has a salt water generator? If so, any pool heater could be used.
it depends if you have a pool heater