Many homes today use tankless water heater to supply on-demand hot water to their showers and faucets. These systems heat water only as it is needed, providing a constant supply of hot water when it is called for (assuming your heater is sized properly). The save energy by not heating water when it is not being used. These units are compact and efficient, so while they are a bigger initial investment than traditional water heaters, they pay for themselves over time and bring additional convenience to your home.
The popular Takagi tankless water heaters and other brands are available at www.supplyhouse.com.
