Why steam at 100°C is better for heating purposes than water at 100°C?

Why steam at 100°C is better for heating purposes than water at 100°C?

Answer:
Steam at 100°C is better for heating purposes than water at 100°C because the energy of 1 kg of steam at 100°C is 22.6 x 10^5 joule which is more than that of 1 kg of water at the same temperature.