Pool heating refers to the process of raising the temperature of water in a swimming pool, making it more comfortable for swimmers. This can be achieved through various methods, including solar heaters, gas heaters, and electric heat pumps. Each method has its own advantages and is chosen based on factors like climate, pool size, and energy efficiency. Using a pool heater can extend the swimming season, allowing for enjoyable swims even in cooler weather. Proper maintenance of the heating system is essential to ensure efficiency and longevity. Additionally, using a pool cover can help retain heat and reduce energy costs.