Sigma's production process is ISO 9001: 2008 certified. The solar panels have been certified , since 2005 , with the highest distinction in solar panels, with the solar keymark , (ELOT ) and are constantly tested for their best quality...
Sigma Energy has been involved in the industrial production of solar water heaters and collectors since 1983, using the latest technology.
Our collectors are intended for domestic, industrial and professional use.
Sigma, a manufacturer of solar systems, also manufactures Boilers from 120 – 1000 litres.
Solar water heater boiler in horizontal arrangement
Solar forced circulation systems
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