Solar Water Heater
Solar water heating is heating water by sunlight, using a solar thermal collector. A variety of configurations is available at varying cost to provide solutions in different climates and latitudes.
Photovoltaics is the conversion of light into electricity using semiconducting materials that exhibit the photovoltaic effect. The photovoltaic effect is commercially utilized for electricity generation
A heat pump is a device used to warm the interior of a building or heat domestic hot water by transferring thermal energy from a cooler space to a warmer space without the application of external power.
Water purification means the process of removing undesirable chemicals, biological contaminants, suspended solids, and gases from water. The goal is to produce water that is fit for specific purposes.