EDN TECHNOLOGY
The direct exchanger with thermoregulated
chamber (EDN patent) is the technology of
the solar thermal able to guarantee the top
performance all year long. The solar thermal
exchangers are able to produce
domestic hot water above 50°C even in winter
in every climatic area.

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EDN TECHNOLOGY
The direct exchanger with thermoregulated
chamber (EDN patent) is the technology of
the solar thermal able to guarantee the top
performance all year long. The solar thermal
exchangers are able to produce
domestic hot water above 50°C even in winter
in every climatic area.

THERMOREGULATED AIR CHAMBER
In system, the air chamber between
the exchanger and the glass, is thermoregulated
at a temperature of 40° C by a low resistance
(45-80 W depending on the model).
This technological solution has three functions:
• retains the thermal energy stored within the
system;
• increases the rate of recovery during the cold
seasons;
• avoids the condensation on the internal and
external glass for the highest exploitation of
solar radiaton.
Only our technology maintains 60-70% of
summer performance in spring and autumn and
40-50% in winter, with an electric consumption
of 10-20 Euros all year, depending on climatic
area.

DIRECT EXCHANGE
In system the conversion of solar
radiation into thermal energy takes place directly in
the heat exchanger through the use of a single direct
exchange circuit: solar radiation – sanitary water.
The remarkable thermal inertia combined with the
speed of recovery of heat exchangers
make them integrated collector-boiler systems
which do not require accumulation, circulation
pumps and antifreeze.

CONSTRUCTION QUALITY
Solar thermal systems are built with quality materials:
• 316 stainless steel for the Exchanger;
• Stainless steel casing;
• Last generation glasses with the best thermal resistance and solar factor coefficients.
• 5 year warranty.
Thermoregulating resistance Air chamber
They are certified Solar Keymark and ENEA according
to UNI EN 12976 regulations.