This professional FAQ focuses on energy‑saving principles, cost‑performance, power consumption reduction and full‑cycle economy of PU sandwich panel for industrial factories, clean workshops and cold storage projects. It compares energy‑saving performance between PU sandwich panel, rock wool, EPS and PIR panels, and answers core questions about project budget, power‑saving efficiency and return‑of‑investment cycle. As a Foshan local manufacturer, SAMZOON supplies customized PU sandwich panel, free samples and professional selection guidance to help global clients cut long‑term operating costs.