Among the many pool heating systems, solar swimming pool heating is the most cost-effective use of solar energy in many climates. They are cost-competitive with gas and heat pump pool heaters, with very minimal annual operating costs.
The system costs between $2,500 to $4,000 to buy and install, with a payback of between 1 to 7 years solar pool heating Capricornia use. It can warm up your pool on average of 5 to 15 degrees warmer than the existing pool water temperature, although it might be enough for the winter months. Components Most solar pool heating systems include the following components. The solar collector is the device where the water is circulated to be heated by the sun. There is a filter that removes debris before the water is pumped through the collector. A pump causes the circulation of the water through the filter and collector and back to the pool. The flow control valve device is either automatic or manual. This diverts the pool water through the solar collector. How it works The swimming pool water is pushed through by a solar pool pump through the filter and then through the solar collector. This process heats the water before it is returned to the pool. In hot climates, the solar thermal collector can also be used to cool the pool during peak summer months. The water is circulated through the collector at night where heat can be radiated to the relatively cool night. Collectors Some systems have sensors and an automatic (or manual valve) that diverts water through the collectors when the collector temperature is sufficiently greater than the pool temperature. When the solar collector temperature is the same as the pool temperature, filtered water simply bypasses the collector(s) and is returned to the pool. Unglazed collectors If you’ll only be using your pool when temperatures are above freezing, then you’ll probably only need an unglazed collector system. These collectors are generally made of heavy-duty rubber or plastic with UV light inhibitor to extend its life. Unglazed collectors don’t include a glass covering (glazing). They are generally made of heavy-duty rubber or plastic treated with an ultraviolet (UV) light inhibitor to extend the life of the collectors. Glazed collectors Glazed solar collector systems are made of copper tubing in an insulated aluminum framework with tempered glass covering (that increases its cost). In colder weather, glazed collector systems—with heat exchangers and transfer fluids—capture solar heat more efficiently than unglazed systems. They can be used year-round in many climates. Glazed collectors also used in heating household hot water year-round. Benefit Solar pool collectors can be made from different materials. The type you’ll need depends on your climate and how you intend to use the collector. Installing a solar pool heater can significantly reduce your pool heating costs. They are competitive with both gas and heat pump pool heaters with low annual operating costs. To date, solar pool heating is one of the most cost-effective uses of solar energy in some climates. This depends on the climate of where you live in and what temperature you intend to heat. Solar pool heating systems can last 20-25 years or longer.
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