Rico in Spanish means rich in English just if your talking about money. If your talking about food rico means it's delicious, good, etc. Example, esto huele rico mean this smell good or  que Rica la comida means like delicious food in English. Puerto Rico means Rich Port in Spanish.
Tankless or demand-type water heaters heat water directly without the use of a storage tank. Heat pump water heaters move heat from one place to another instead of generating heat directly for providing hot water. Solar water heaters use the sun's heat to provide hot water.
High-Efficiency TANKLESS Hot Water Heater Installation. Our tankless hot water heater operates only when hot water is needed. Up to 40% less energy used, saving significant utility costs. The compact size fits in any size home, freeing up utility room space. When you invest in a tankless hot water heater, you are increasing the value of your home.