A pool heater can extend your swimming season, allowing you to enjoy your pool or spa in cooler weather. Choosing the right pool heater can make a significant difference in your pool's functionality, comfort, and energy efficiency. However, with various types of heaters available, including electric, gas, and solar, making the right choice can seem overwhelming. In this article, we’ll guide you through the essential factors to consider when choosing the best pool heater for your specific needs.