The answer to 'best sump pump' is that the best sump pump for your home will depend on factors like the size of your basement, the amount of water it needs to remove, and your budget. Generally, a reliable and energy-efficient cast iron or stainless steel sump pump with a horsepower rating of 1/3 to 1 HP is a good choice for most homes. These pumps can efficiently remove up to 2,500 gallons of water per hour and are designed to last for many years with proper maintenance.
When selecting a sump pump, it's important to consider features like a reliable float switch, a powerful motor, and the ability to handle debris. You'll also want to ensure the pump is sized appropriately for your basement's square footage and water flow needs. If you're unsure, it's best to consult a professional plumber who can assess your specific situation and recommend the best sump pump for your home.