There are many benefits to using solar energy to heat your pool and raise its temperature to levels that make it pleasant to swim when normally, at that time of the year, it would be too cold even to think about it.
The process of using a solar pool heating system with its solar collector – whether a homemade one of PVC pipes or an industrially manufactured one of the solar pool panels – for heating your pool is relatively straightforward. The proviso is, of course, that there is enough sunlight around to allow the solar pool heat system to do its work well.
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Limiting yourself to solar heating your pool without having extra safeguards in place, however, is rarely enough to ensure the best and warmest results especially in more temperate zones. There are several laws of nature at work that begin to undo the heating your solar pool heat system has done for you!
Heat loss is an issue and it happens because of a few perfectly natural processes.
- Evaporation is a big one. It is responsible for causing significant heat loss because evaporation is intrinsically a cooling process. Just think of how perspiration and its evaporation are natural ways to cool the body.
- Evaporation not only causes heat loss but also water loss of between 50% and 70% depending on the climate where you live. Having to top up the water level of your warm pool means that you are constantly pushing cold water into it, dropping its overall temperature once again.
- Heat transference, in Nature's relentless quest for balance and equilibrium, will be at work to try and reduce the temperature difference between the cold air and the warmer pool water rendering your pool water colder if it is left unchecked.