Tecnocupole Pancaldi manufactures natural smoke and heat exhaust ventilators, rooflights, shed windows and protective grilles at Castel San Pietro Terme, and services the ventilators it supplies. Its patented Free Smoke ventilator publishes the complete EN 12101-2 performance class set on the product page — wind load WL 1500, heat resistance B 300, reliability RE 50 and opening under load SL 1000 for a geometric area up to 3 m² — with declared performance down to an ambient temperature of −25 °C, in compliance with UNI 9494 and UNI EN 12101-2. That is the fullest EN 12101-2 disclosure found on any Italian manufacturer’s own website. The company is a member of the ZENITAL association. Istituto Giordano appears among its certification references as a credential rather than as a numbered certificate.