Pool heaters from Jandy, Pentair, and Sta-Rite are some of the most reliable and efficient pool heaters available in the market. These companies have been in the business for a long time and have a proven track record of providing high-quality pool heaters that are energy-efficient and environmentally friendly. They are compact and can fit in a limited amount of space or tucked out of sight, making them an ideal equipment piece for above-ground swimming pools. They are an exceptional choice to heat your swimming pool so you can experience warm water no matter the weather or time of day.