The SMART 80 Gallon Water Heater is an advanced solution for larger households or small commercial applications requiring a reliable and efficient hot water supply. With a first hour rating of up to 91 gallons, this unit ensures you have an abundant supply of hot water, even during peak usage times. Whether it's for multiple showers, dishwashing, or other high-demand activities, this water heater has you covered. Boasting an impressive Uniform Energy Factor (UEF) of 4.00, the SMART 80 Gallon Water Heater provides exceptional energy efficiency, reducing overall operating costs while maintaining a consistent hot water output. This high UEF rating ensures that the water heater uses energy more effectively, delivering more hot water for less energy consumption. Whether it's for a growing family or a small business, the SMART 80 Gallon Water Heater provides the capacity, efficiency, and performance you need for continuous comfort.