What is one benefit of having a return loop in a hot water system?

Having a return loop in a hot water system is beneficial because it helps circulate hot water quickly to the tap. This means that when you turn on the tap, you receive hot water almost instantly rather than waiting for the hot water to travel from the heater to the faucet. The return loop maintains a continuous flow of hot water back to the water heater, ensuring that the lines are always filled with heated water. This setup not only improves convenience for the user but also enhances overall energy efficiency, as it minimizes the time and energy lost while waiting for the water to heat up. Thus, this circulation method is particularly advantageous in larger installations or homes where long pipes separate the heater and the taps.