| Water, sun and wind - the most affordable | | | | heat generated by solar radiation. |
| sources of energy. Solar heating systems are | | | | A commercial building can abate its electricity bill |
| becoming popular in many countries around the | | | | by using the total daylight of the surrounding sky. |
| world. | | | | It will create a pleasant environment and reduce |
| Solar water heaters can be active or passive | | | | air-conditioning costs too because a considerable |
| types. If you want to heat your home with solar | | | | amount of heat is generated by the light bulbs or |
| energy, you need to decide whether you want an | | | | ballasts. |
| active or a passive system. The active solar | | | | Passive Cooling |
| system uses an electric pump to circulate fluid | | | | The need for air-conditioning in homes can be |
| through the collector. The passive solar system | | | | greatly reduced or even eliminated by using |
| has no pump and relies on natural circulation. The | | | | passive solar cooling. |
| amount of hot water a solar water heater | | | | Active Solar System |
| produces depends on the type and size of the | | | | Active solar energy is the conversion of solar |
| system | | | | energy into usable heat via electrical. There are |
| Passive Solar System | | | | three types of applications that you can use in |
| Passive solar heating represents an important | | | | your home: Solar Water Heating, Solar Pool |
| strategy for displacing traditional energy sources in | | | | Heating, Solar Space Heating. |
| buildings. Methods of passively collecting energy | | | | Whether you are interested in solar space heating |
| include solar ovens and well-planned indoor heating | | | | or solar pool heating, active solar energy can help |
| techniques. All passive techniques use building | | | | you take full advantage of solar heating. |
| elements such as floors, walls, windows, to control | | | | |