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Solar Water Heating Category

Solar Water Heating Panels – Flat Plate vs Evacuated Tube

Friday, February 29th, 2008

Solar Water Heating Panels

Solar water heating panels use the sun’s energy to heat hot water for your home. When the water in your roof is hotter than the water in your storage tank a pump is activated and this heat is transferred into your water tank. This type of panel does not generate electricity, click this link to read more about Solar PhotoVoltaic Electricity Panels.

There are two common types of solar collector used in the UK.
- Flat plate collectors
- Evacuated tube collectors

At Intelligent Energy Solutions we offer both types of panel depending on the customers requirements.

Flat plate vs Evacuated tube solar collectors/panels

Evacuated tube solar collectors are typically more efficient than flat plate collectors. This does not necessarily mean that evacuated tubes can produce more hot water just that the panel area can be reduced. Typically you will find that for a flat plate collector area of 4m2, evacuated tubes need approximately 3m2 for the same size hot water tank. With this in mind, the amount of hot water generated throughout the year will be very similar.

An independent study by the DTI compared a number of different types of system and the panel that produced the most hot water was of the flat plate variety.

The cost of the panels are now fairly similar, but some people believe that flat plate solar collectors are more aesthetically pleasing. However, technically the evacuated tubes should perform better than flat plate systems when the ambient temperature is low, i.e. in winter.

So in summary, where roof area is an issue evacuated tubes are the best option. Otherwise, you should consider both evacuated tubes and flat plate collectors.

Intelligent Energy Solutions are happy to fit either type of system as both work very well.

For more information call 01509 891256 or e-mail sales@iesolutions.co.uk.

Intelligent Energy Solutions is a leading UK provider of solar panels and heat pumps.

What are Solar Water Heating Panels? Where can I get them?

Wednesday, January 9th, 2008

Confused about Solar?
Many people who call me seem to be a little confused as to how solar panels actually work.  My view is that the misunderstanding is perfectly reasonable and stems from the general acceptance of solar panels on things like calculators or garden lamps.
These types of solar panels are called photovoltaic solar panels or PV Solar Panels and I will talk about these in more detail another week.
For now I think I should explain about the panels that people are less familiar with but give the greatest opportunity to reduce household fuel costs.  These panels are called Solar Water Heating Panels.

Solar Water Heating Panels
Solar Water Heating Panels use the suns radiation to heat water in panels.  This panel is connected to your hot water storage tank.  When the temperature in your tank is lower than that of the panel on your roof the water is pumped out of the roof panel through a heating coil in your hot water tank.  This heats the water in your storage tank.  When is is cold and dull outside the pumps leaves the cold water in the roof panel and your storage tank is heating with your conventional boiler.
This simple but effective system is typically capable of heating up to 70% of your annual requirement for domestic hot water.
Given this fact it is probably the most cost effective and way of installing a renewable energy system in your home.

Where do I get this type of Solar Panels?

Well, thats the easy bit.  Contact Intelligent Energy Solutions by phone or e-mail and we will be happy to discuss your requirements and if required arrange a meeting.

Intelligent Energy Solutions is a leading UK provider of solar panels and heat pumps.