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Solar Heating Systems

Solar thermal systems are generally composed of panels that convert sunlight to heat. The systems may be used to heat domestic hot water or a swimming pool, or to even make a contribution towards under floor heating. Solar water heating panels are one of the most cost effective ways to reduce your utility bills and make a positive contribution towards the environment. In fact the amount of pollution reduced by installing a domestic solar water heating system is equivalent to taking one car off the road (i.e. about 1500m3 CO2 per annum).

There are two types of solar thermal collectors; the conventional flat plate collector and the more efficient vacuum tube collectors

Flat plate solar heating panels vs. Vacuum solar heating panels

Evacuated solar heating panels are more efficient than conventional flat plate type collectors and will perform considerably better in cold, cloudy and windy conditions - unfortunately too common in the UK and Ireland. The higher efficiency of evacuated tubes mean less area is covered on the roof by the solar panels - a desirable feature appreciated by most customers.

Having less solar panel area on the roof reduces the fluid content of the solar heating system enabling quicker response to solar radiation.

Vacuum is the best possible insulation for a solar heating panel. It safeguards the collector from moisture, condensation and pollutants - resulting in improved durability and all-year-round performance.

Summary of advantages of vacuum over flat plate solar panels

1. High efficiency even at low light intensities (e.g. cloudy days)
2. Ability to achieve high temperatures
3. The solar panels are easy to install due to its lightweight design
4. Improved aesthetics - Modern and elegant design
5. Covers less roof area - Less visually intrusive
6. Each tube on the solar panel is individually replaceable allowing for easy repair in case of damage.
7. Longer life span providing an improved return on investment

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