Solar Power Roof Vents: Can They Work For You?

Discover how solar power roof vents work and find out the advantages and disadvantages of using them, right here!

Solar power roof vents: An introduction

In the modern day world, most people are aware of the tremendous benefits that solar energy holds out as an energy resource. In fact, in the past few years, we have been using solar energy increasingly, indicating that this energy source is indeed invaluable. The rays of sun comprise of waves of electromagnetic nature and these waves get absorbed in the atmosphere of the earth, and radiant energy is generated as a result. Several different usable forms of energy can be obtained, as per human needs, from this radiant energy. When solar power generators are applied to store, harness and convert radiant energy to other forms of energy, it is called solar energy. Solar power roof vents are found to be the most in-demand of all different types of solar power generators that are currently available. This is not surprising, since the solar power roof vents do indeed have a lot of extra benefits to offer.

Need of installing a solar power roof vent and the working techniques involved

Roof vents can be driven by electricity or by solar power. Either way, these vents are a must-have for every home, to ensure adequate ventilation. In the summer season, the radiant energy generated by sunlight raises the temperature of the roof tiles quite significantly. As a result, the air inside the rooms also becomes warmer. To keep the home cool, proper ventilation is required at the attic and/or on the top floor. The large amounts of water vapor released due to several day-to-day human activities, like cooking, having a shower and washing need also be eliminated as quickly as possible via ventilation. Hence, having a well-made roof vent is of the utmost essence.

For keeping your home cool, solar power roof vents offer an attractive alternative. These solar energy roof vents keep working at all times of the day, something that the conventional roof louvers did not do. These vents have the capacity to trap and store solar energy and this energy can later be processed to produce electricity. The electrical power is actually generated by a motor, working at high-efficiency, which resides inside the solar energy vent. The traditional electrical vents stop working when they get too hot, since their functioning is regulated by a thermostat. However, a solar power vent can go on working all round the day, continually providing ventilation to the rooms. A type of active ventilation occurs at the heart of the process, since air from outside enters the room via the attic, and is again pushed out through the vent. This makes sure that the rooms remain cool. These roof vents do not lead to air-pollution or the emission of greenhouse gases. No additional fuel (except sunlight) is required, and power is saved as well. The monthly electricity charges also goes down, since the rooms already remain much cooler, and the services of air conditioners are not required.

There are two chief constituents of any normal solar power roof vent. These are: a DC motor (working at 24 volts) and a solar panel. Energy from the sunlight can be directly trapped and stored by the solar panel. The solar energy thus captured is then made to pass through the DC motor, as a result of which, electrical power is generated. Among the many benefits of solar power roof vents is the fact that, the panels can capture and store energy on days that remain cloudy, and even when there is insufficient light and during adverse weather conditions. And they do not need any extra electric wires for their installation too. They can be set up totally independently from the dome, which bears a low profile. Generally, rust resisting steel is used to manufacture these domes.

Discover the advantages and disadvantages of solar power roof vents

Solar power roof vents, if installed, do hold out considerable economic benefits indeed. However, the attic needs to be insulated expertly, a high rate of electricity must be available in the region, the ventilation facilities available needs to be adequate and the attic space has to be sufficient to ensure that the vents do indeed result in significant power savings. Passive air convection, a technique generally used by other common attic vents, does no form a part of the technologies used by the solar power roof vents. It keeps the rooms cool all round the day by producing a forced stream of air. However, solar power roof vents are not without their downsides. For example, if a building already possesses a drop ceiling, no significant benefits can be had from these vents. In cases where a house already has adequate facilities for free movement of air, not much can be expected from installing them either. The solar power roof vents are, however being used more and more at homes, indicating a steadily growing popularity. These solar roof vents are truly one of the best options to filter out extra moisture from the home, and to light it up by making use of solar energy.

You need to have some prior knowledge about a solar power roof vent before you can actually install a system in the home. You should ideally be consulting a training manual for this purpose. Such a guide would help you know the correct steps to set up the unit, and where to install it so that you can get good results. You will also get to know how to acquire the different parts at rather low prices, and the batteries for free. Relevant safety measures, as well as the wirings of the system are also discussed in the guide. Once the solar power system has been properly installed, electricity can be generated in a completely eco-friendly way. Remember, there are simply too many financial and ecological benefits associated with the system.

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Originally posted 2009-08-08 04:51:24.



2 Comments

  1. Jo Saels
    Posted August 10, 2009 at 10:07 am | Permalink

    What an empty and useless article! The author repeats a number of times the same statement. He never really explains how this works. Some statements really need some more words (like how the solar panel is storing energy). I finished reading with a feeling like you_got_me.

  2. Posted August 11, 2009 at 9:33 am | Permalink

    Hey Jo,

    Sorry if you never found this article up to scratch. Trudy and myself read over it again now. We wouldn’t go so far as to calling it empty, but it did lack some important details as you pointed out.

    In fact, we have a better article (with video) on how a solar attic fan works and the benefits of using such a device. You can read here: Solar Attic Fan – 5 Clear Benefits

    We are sure you’ll enjoy that article more!

    Tim

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