Heating: the boom of hybrid water heaters
In matters ofhot water, thehybridization does not date from today. But she evolved, proposing, in addition toelectricity, not only Solar Thermal, but also the solar photovoltaic and the heat pump (CAP).
The directive of European Parliament called "Eco conception" - which led in particular to the removal of incandescent bulbs and high efficiency boilers - is in the process of transforming domestic hot water production equipment. So, our good old 300 liter electric balloon which, most of the time, heats more water than we consume, can not be manufactured next september. It is also thanks to this regulation that Hybrid devices are growing.
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Solar water heaters, first hybrids
PAC + solar thermal. This semi-instantaneous thermodynamic water heater has solar pipe outlets, for connection to solar panels. Class A on the energy label. "Altherma ECH2O".
Hybridization started with solar thermal water heaters. Associated withelectricity (thanks to a electrical resistance solar balloon) or the energy of the gas boiler or fuel (via a second heat exchanger in the balloon), they allow significantly reduce the energy bill for domestic hot water. These are the Cesi (individualized solar water heaters) and the optimized Cesi, suitable for new homes and working with a gas boiler. More recently appeared thermodynamic water heaters connected to solar thermal collectors (Daikin, Viessmann ...), whose power consumption is further reduced. Another proposal: electric water heater with heat pump (Ariston). More compact than the thermodynamic water heater classic, it can be installed in the heated volumeas a standard device.
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Photovoltaic + electricity. Simply connect an electronic box to allow any Twido electric water heater to be powered by solar electricity.
Photovoltaic electricity in addition
PAC + photovoltaic. The thermodynamic water heaters on outdoor or ambient air "SHP-F 220-300 (X) Premium" or "SHP-A 220-300 (X)" can be powered with photovoltaic panels.
The electric water heaters connected to photovoltaic solar panels allow to "store" the surplus electricity produced as heat in the hot water tank. This is what proposes Twido, whose electric water heaters, composed of several tanks, also ensure the adaptation of volume of heated water as needed, as well as some manufacturers of thermodynamic water heaters, which can also be connected to photovoltaic solar panels (Stiebel Eltron for example).
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Electricity + heat pump. Thanks to the onboard PAC, this electric water heater (100 l) saves 50% electricity compared to a standard model, while being faster. Adapts production to needs.