Lastly, if the active device malfunctions, the machine could be rendered useless until the device is fixed, something that cannot happen to a passive solar energy system.Ī very most common active solar energy system is a solar water heater. Also there is a greater probability of future maintenance costs on the machine because of the extra components. It may help the system save money in the long run, but the initial cost of construction will be higher. Another advantage is that it makes controlling the system much easier by offering controls to turn the machine on and off, and also to adjust specific options of the machines, such as temperature.Ī few disadvantages are that an extra mechanical device increases the cost of the system. The obvious advantage of the active system is that the outside power source increases the efficiency of the system. Because of this requirement, an active solar energy system requires extra power, besides the sun, to operate and maximize the efficiency of the system.Īctive solar systems come with advantages and disadvantages. (2) Active Solar Energy: uses an active electrical device to power the solar energy system, such as a water pump or an electrical power control box. Remember, in passive solar heating, the sun’s rays are not converted into electricity.
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