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Posts Tagged ‘solar water heating’

Probably you know that today solar water heating systems are very popular. And it’s wonderful that now we have the possibility to switch to alternative sources of energy. In this article we are going to give you a number of recommendations on how to choose solar heating panels.

First of all, I want to tell you that there are various options for solar water heaters. As a matter of fact the simplest one among these are batch water heaters. It should be noted that batch water heaters are designed so that you can install them yourself. Furthermore, the parts you need are available at your neighborhood hardware store. In addition, it’s great that you have the possibility adapt this kind of solar water heaters to suit your specific needs or personal taste, as there are different designs of the same device.

In addition, the batch water heater normally uses a water tank that is placed where it will heat the power using the sun’s energy. Next, this solar heater is connected to your home’s plumbing system. In times in order to make the sun’s heating of the water most efficient, you may need to get a bit creative.

I want you to know that batch water heater is the so called passive solar water heater. In fact passive solar water heating systems can actually work without the usage of electrical pumps and other devices. In general the batch systems of the passive solar electricity consist of large insulated storage vessels. It’s important that the painted side of a vessel should face the sun. It works in a following way: the vessels absorb the power of sun and converts it to the water molecules inside. Remember that heat is circulated with continuous motion.

In fact there is another kind of solar water heating systems which includes a thermosiphon system which is based on the idea that warm water rises up. Typically there is a circulation of water through collection tanks and then into a holding tank which is placed above it. So this is how the water is heating continuously.
Finally, it should be noted that it is important to keep all this facts in mind if selecting a solar water heating system for your house.

To conclude, I want to look at the benefits of solar water heaters. Firstly, one shouldn’t forget that solar energy is one of the most cost-effective ways to heat water. It’s beneficial that your electricity bill will be cut down to large extents as using solar water heating. Another benefit of this type of water heating is that it helps us to keep our planet cleaner.

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In an average household, nearly half of electricity consumption can be directly contributed to water heating costs. By utilizing South Africa’s great solar energy at no cost, ordinary South Africans will now be able to benefit from advanced technology in this field. The world is following the trend of solar energy, and there is no turning back from it. Eventually solar energy will replace traditional means of electricity production, and with Eskom rebates for solar geysers, free hot water and low electricity bills have never been more achievable.

A solar heating system comprises of a hot water storage tank, and solar heat collector panels. Through a thermo-siphon effect, where hot water rises, hot water circulates between the collectors and the tank while there is sun and is stored at the end in an insulated storage tank. It is advisable for a solar geyser to have an electrical heating element as backup, for the day when there is a lack of sunshine.

The pros far outweigh the cons as it is ultimately cost effective to heat your water with solar electricity, and an investment to your property. The geyser will soon enough be paying for itself, and consistently save you money on running costs. With no emissions and clean energy, no pollution or exploitation of limited natural resources need to take place which places everyone in the position to contribute to a greener planet. You are also able to enjoy hot water during blackouts and unpredictable power supply, and the geyser can be placed either inside the roof, or on top of it.

The benefits of a solar geyser far outweigh the initial outlay that the investment will cost you. Whether you are looking to save on your monthly electricity bill, or want to do your part in conserving the earth or both, making use of South Africa’s rich supply of solar radiation will aid you in your quest. A solar geyser uses solar energy to warm your water with the minimal of costs to you. With rebates from Eskom making it even more accessible to the average South African household, solar energy has never been a more viable option.

The most important thing to know about a solar geyser is that it will save you money. Solar water heating occurs through solar energy being used to heat the water, and store it in a container. A solar geyser system consists of a solar thermal collector, a water storage tank and a liquid system to move the heat from the collector to the tank. Two main types of collectors are used. The first is flat plate collector that has a transparent cover made of particularly thickened glass, a coated metal absorber plate and a thoroughly insulated weather proof casing, the second being a vacuum tube consisting of a series of glass tubes that are linked together. Your geyser should preferably be installed on top of the roof, should the structure of the building allow for the extra weight. It can be linked to an existing heater or stand alone and can be placed elsewhere if needed. It is important though that the collector be positioned where sunlight is plentiful and easily accessible.

Once you have made the choice to invest in your home and your life, the next step will be to contact a reputable and accredited supplier that knows what they are talking about. ENSAV is a company dedicated to supplying you with SABS accredited, qualified suppliers of solar geysers and other solar energy products.

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From the operators of www.build-a-solar-panel.info — providing education regarding how to build a solar panel, green home tips, and green DIY projects.

Solar hot water heating systems are a basically simple design.  Solar collectors warm up water during the day, which is stored in an insulated container to keep it warm for ongoing use.  But icy temperatures can bring this kind of system to a standstill.  But new and improved methods have been developed that allow solar hot water systems to operate effectively even in cold climates.  Here is a basic depiction of how they work.

After a few decades of testing with solar hot water systems, most qualified users have decided that the closed loop design is the most successful for climates with freezing temperatures.   Because oxygen is eliminated from the system, pumps will not corrode and will have a greater lifespan, saving you time and money for upkeep and replacement parts.

The system is filled with an antifreeze blend (propylene glycol) at the time it is installed.  It then circulates between the solar collectors (where it is heated by the sun all through the day) and the storage tanks, which provide heat during the day and night.  There are several smaller components that allow the antifreeze to expand and contract, and which inhibit too much pressure from building up in the system, among other things.  But the solar collectors, the pump and the tank with heat exchanger are the central components.

Drainback systems are so named because the solar collectors drain when they are not being used.  Due to this, you can utilize either water or antifreeze in the system.  But for maximum assurance that the system will not freeze, people regularly choose to use antifreeze as an extra precaution, principally in regions that frequently experience temperatures below zero.  

A thermosiphon system also uses a detached solar collector, along with the pull of gravity. And it allows for the use of an insulated storage tank for more dependable hot water delivery. When using either of these systems in cold regions where freezing is an issue, both the piping and the storage tank should be placed indoors and suitably insulated to provide hot water even on the coldest days.

Even though the collectors drain when not in use, they drainback system is still a closed loop system. It needs a strong pump in order to return the drained liquid to the solar collector as soon as it has been drained.  But it is a first-rate choice for a homeowner who wants a solar heating system that is painless to maintain.

Solar hot water heating systems are relatively simple to install, easy to maintain and the most cost effective way to introduce your home to solar energy.  They can save considerable energy and cost when they replace an electric hot water heater.  And they can be successfully used even if you live in a climate where freezing temperatures are common during the winter.