You don’t need much hot water in the tropics, but just in case, don’t adjust the nozzle, there’s no inline GFI breaker!
[Super efficient tank heater] + [heat pump water heater] = A lot more than 1 + 1
New energy codes are coming (very) soon; many states are jumping straight to the most aggressive one
You can control the bath fan and the light from the switch, automate with motion and sensor controls, or you can mix and match methods. You can even tinker at the switch