Integral Collector Storage Solar Thermal System Pros and Cons

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These systems have three major advantages:

  • They are relatively very simple and easy to install.
  • The lack of complex parts makes them very easy to maintain.
  • They are the cheapest of the solar thermal installations.

It's also important to consider the disadvantages:

  • They cannot be used where freezes occur.
  • They are very heavy and can only be roof-installed on buildings that can support the weight.
  • They may require a change in hot water usage habits to get the best return on investment.