Sun dictionary

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Airheater: a combination of a ventilator that warms and cleans the air, and a solar panel that delivers the power to run the ventilator.

CE: a European approval mark which indicates that the product complies with EU legislation.

Inverter: an electronic circuit that converts direct current to alternating current.

Monocrystalline: a particular type of technology used to catch the sun in a solar cell. The monocrystalline cell is black as standard, with a uniform surface and high efficiency.

Polycrystalline: a particular type of technology used to catch the sun in a solar cell. The polycrystalline cell has a blue appearance and a “live” surface as a result of the direction of the various silicon crystals.

PV system: short for photovoltaic system.

Renewable energy: the energy produced by hydropower, biomass, photovoltaics, heat pumps and wind turbines.

Solar cell:  a unit consisting of several layers of light absorbent material, designed to convert the radiation from the sun into electricity.

TÜV: a German approval mark.