An undersized heat recovery unit leaves behind humidity and stale air; an oversized one costs more for no real benefit. This guide walks through two simple sizing methods — by rooms and occupants, or by home volume — and includes an interactive calculator that tells you exactly how many m³/h you need, plus the recommended product range.

The real difference — the one that never shows up in any quote — only becomes visible after installation: at the first fire-safety inspection that finds an unapproved unit in a smoke extraction system, in a motor that burns out after six months of continuous operation on a dryer it was never designed for, or simply in an energy bill that keeps climbing month after month with no obvious explanation.

Do you know what your facility's fans are actually costing you each year? A single 2.2 kW AC motor running 16 hours a day adds up to nearly €1,600 annually — and if you have 6 fans, that's over €9,500 disappearing into electricity bills every year. Use the calculator in this article, enter your real figures, and find out in 30 seconds exactly what you're losing — and how quickly EC motors pay for themselves.

Every residential complex, shopping centre or office building constructed in Romania includes one or more underground car parks. Designers know that ventilation is mandatory — but the exact regulations, correct airflow rates and the choice between jet fans and ductwork are rarely explained clearly. 

Ventilation in hotels and guesthouses is not a comfort detail. It is a mandatory technical requirement and directly linked to the star/flower classification of the tourist accommodation structure. This article explains exactly what is mandatory in each zone of a hotel or guesthouse, which products are suitable, and what a complete system costs.

The attic is the most difficult space to ventilate in any home. Unlike any other room, an attic has three completely different problems that must be solved simultaneously — and solving one can worsen the others if you don't understand the mechanism behind each.

This guide explains what temperatures and humidity must be maintained, how to calculate required airflow, why redundancy is not optional, and which equipment from the Nicotra Gebhardt and Vent-Axia ranges available at ventilation.ro solves the problem correctly.

This guide explains what airflow is required in summer and winter, what gas concentrations must be maintained, how to calculate the number of fans and which equipment is suitable for Romanian poultry houses.

This guide explains what airflow is required, what the regulations say, which equipment solves the problem completely and how to quickly calculate what you need for your kitchen and dining room.

Complete industrial fan selection table: production hall, warehouse, paint shop, professional kitchen, smoke extraction, high temperatures. Find the right model in 2 minutes.