Sigma Energy is engaged in the industrial production of solar water heaters, boilers and collectors since 1983, using the most modern technology. 

Sigma have always updated the water heating technology with electrical , boiler , solar and companied system and they insure a way for fixing for different elevation and any kind of top .

Sigma offer its services with new ideas, and have a wide network of representatives in Greece and abroad (Spain, Morocco, Tunisia, Egypt, Czech Republic) and they are expanding rapidly, day by day using a specific development strategy.