Klimat Solec has operated since 1988 from Solec Kujawski and combines sanitary and HVAC installation contracting with its own factory producing ventilation and smoke-extraction components. It is the holder of Krajowa Ocena Techniczna ITB-KOT-2020/1255, second edition, valid from May 2025 to May 2030, for large-format single-zone Fire Pro smoke-extraction ducts, registered in ITB’s published list against the company at ul. Nadborna 2A. Its product page states smoke ductwork in galvanised steel for a pressure range of minus fifteen hundred to plus five hundred pascals at fire-resistance class E600 120 single. Reference projects include the Serenada and Posejdon shopping centres.