A solar thermal system is used to produce hot water for domestic use and / or heating through thermal solar panels (also called solar panels) which are devices that convert solar radiation into heat energy.
energy can be stored and therefore can be used at a later time. These systems, which are often confused with photovoltaic solar panels, are easily integrated into the architecture of a building and have low maintenance cost.
The operation of these plants is rather simple: the movement of water from the tank to tap home is made by forced or natural circulation in case of forced circulation solar panel incorporates a hydraulic pump with electrical power.
The efficiency of solar panels of course varies depending on sun exposure, latitude, season and weather conditions. The number of panels that are to be installed will vary with the climate of the place and of course with the needs of users. Bear in mind that it is a panel of one square meter produces an average of 80-120 gallons of hot water per day.
It 'clear that at night the solar panels do not produce water calda, cosi come quando piove. Ecco perché è indispensabile il serbatoio, la cui funzione è proprio quella di accumulare l’acqua per renderla disponibile al momento del bisogno. Normalmente i pannelli solari termici non sono l’unico dispositivo per il riscaldamento dell’acqua presente in un’abitazione. Sono, infatti, spesso affiancati da scaldabagni elettrici o caldaie a metano.
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