Ventilation

An indoor pool without proper ventilation will destroy the building structure within a few years. Find out what specific equipment to use, how to calculate airflow and why corrosion is the greatest threat.

A complete guide for restaurant owners, architects, installation designers and contractors who want the right solution for commercial kitchen hood ventilation in Romania and across Europe

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.

Everything you need to know about impulse ventilation fans for car parks — from operating principles and mandatory regulations to choosing the right model

Everything the installer, designer and property owner needs to know before purchasing ductwork for an industrial, commercial or residential ventilation system

A practical guide with formulas, tables and numerical examples for installers, designers and building managers