Renewable energy has always been a more popular as well as important topic. As the world is seeing shortage of energy, more and more people are switching their energy needs to various renewable sources of energy. All renewable sources of energy are environment friendly, as compared to non-renewable sources of energy. Among the various renewable energy sources, there are some sources that are more useful as well as more efficient, since, the efficiency ratio of renewable energy sources varies. Also, there are some forms of renewable energy that are best for heating, while others are best for generating electricity.

Solar energy is the most common type of renewable energy that we use in our particular needs. The power of sun or its energy is used mainly for heating. Heating can be done by generating hot water and this hot water is used by the household or solar heated air and that can be circulated around the house to provide overall heating. Such a process of generating solar energy is performed in areas that receive good amount of sunlight in both summer and winter. Solar power is also used to generate electricity.

Wing is an another important source of renewable energy. Wind power can be used for heating purpose as well as in generating electricity. This is important to locate the  energy production system in a place that is suitable or have enough wind. However, it hard to find such a location that have wind 365 days a year.

Geothermal energy is one of the most common renewable energy that is used with the help of geothermal pumps. In this method, the natural temperature of the Earth is exchanged with the temperature of your home by the use of geothermal pumps.