The most efficient tilt for photovoltaic panels in Hialeah, Florida at a latitude of 25.87°:
Your photovoltaic panels need to be angled facing south.
If you're mounting the photovoltaic panels at a stationary angle, such as on your roof, the most efficient angle is 22.8°.
If you're planning to change the angle of your photovoltaic panels twice per year, the most efficient angle is 3.1° in summer months and 41.8° in winter months.
If you're planning to change the angle of your photovoltaic panels each season, the most efficient angle is -0.5° in summer months and 47° in winter months, and 23.1° in autumn and spring months.