How does a solar water heater compare to a tankless water heater?
Tankless water heaters instantaneously heat the water which decreases standby losses in a storage tank. These more efficient systems decrease the energy to heat the water by 20-30% compared to a conventional tank. However, a solar water heater will both decrease standby losses and provide energy to heat the water. This will typically eliminate 75% of the energy to heat your water compared to 20-30% with a tankless water heater.
