PL EN FR DE 52 333 80 00 biuro@greka.com.pl Bydgoszcz, Bydgoszcz Industrialists 15 VENTILATION ELEMENTS DEVICES BLOG BUSINESS CONTACT VENTILATION ELEMENTS DUCTS AND FITTINGS END ELEMENTS DAMPING ELEMENTS VENTILATION HOODS DAMPERS PLENUM BOXES DIFFUSERS, GRILLES, DIFFUSERS, EXHAUST DIFFUSERS FILTERS ASSEMBLY MATERIALS INSULATING MATS DEVICES FANS AIR HANDLING UNITS RECUPERATORS EXTRACTORS AIR CONDITIONING AND REFRIGERATION HEATING FIRE DAMPERS AUTOMATION AND CONTROL Special offers Promotion vent GWCO Made of galvanized sheet. Available in various sizes and variants ORDER TODAY Promotion of rectangular ducts Made of galvanized sheet. Available in various sizes and variants SEE MORE Color ventilation channels Ventilation systems in any color. Greek with another TUV certificate The ventilation systems of our production have been certified for the "C" tightness class. Greek at the Nordbygg fair in Sweden Our stand at the most important Scandinavian fairs GreKa with you since 1993 Our company is a big family, both professionally and privately. We perform our tasks equally obligatorily, but with greater certainty and calmness. Our organization is lucky with employees - enthusiasts, and not only ventilation. Do you have any questions? Call us and ask our expert. 52 333 80 00 Offer Ventilation elements Devices Business Who we are The company's history Generational succession Subscribe to the newsletter Greek 2018 Synbios