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

Technical guide for installation engineers, HVAC designers and ISU technical managers regarding the new mechanical smoke extraction requirements

The complete guide for property owners building or renovating who want to breathe clean air without paying huge heating bills

Looking to install a fan at home but not sure which model to choose? This guide explains the difference between types, how to calculate the airflow you need, and what to avoid when buying.

Attic Fan – A Powerful Ally for Improving Air Conditioning Efficiency

Summer brings higher and higher temperatures, and the costs of cooling your home increase significantly. If you have an air conditioning unit but feel it’s struggling or running non-stop, the solution might be simpler than you think: installing an attic fan.