Ventilation

A complete guide for building managers, HVAC designers and technical managers who want to cut energy bills without compromising performance

Offices, restaurants, warehouses or retail spaces — which ventilation system do you choose? A complete technical guide with sizing criteria, equipment recommendations and common mistakes to avoid.

Axial or centrifugal? This article explains in plain terms how each fan type works, when to choose one over the other, and why the wrong choice can cost you performance.

Complete 2026 Guide: How to choose the perfect Casals axial extractor for your bathroom and kitchen. In-depth comparison between Erelis, Lidero, Kubalik, Kuvio, Tekstur and Tekstur Plus – airflow, noise level, installation and features. IOANNINA- Official Casals importer in Romania with over 33 years of experience.