Advice
Advice and technical guides
Articles written so you can understand your system and judge a quote yourself, including ours.
Ventilation
Building work and ventilation: protect it during the job, clean it after
During building work the ventilation keeps extracting. Plaster, concrete and wood dust ends up in the ducts, filters and unit, often within days.
· 6 min read
Ventilation
7What ventilation duct cleaning costs in Belgium, and why prices vary
From one company to the next, the price of duct cleaning varies threefold. The reason is simple: the same words cover two services that have nothing in common.
6min read
Open kitchen, strong smells: why the cooker hood is not enough
In an open kitchen, a running cooker hood does not guarantee a neutral-smelling flat. The way air is supplied and extracted across the whole dwelling matters just as much as the hood itself.
6min read
Ventilation in a flat: where your responsibility stops and the co-ownership's begins
In a Brussels apartment, a ventilation problem is rarely just your problem. Know where your private lot ends, where the shared duct starts, and who decides on collective work.
5min read
Window and façade air vents: why not block them and how to make them bearable
A noisy, cold air vent in a frame or façade is tempting to block. The relief is real, but the side effects are too. Better to understand what it does and how to tame it.
6min read
Extract-only or heat recovery: how to actually decide
Heat recovery is not “better” in the abstract. It is better under specific conditions, and distinctly less relevant outside them.
8min read
Noisy ventilation: six causes and what to do
Noise is not an inevitable consequence of the unit's age. It is a symptom, and the type of noise points fairly precisely to where to look.
7min read
How often should ventilation be serviced?
“Once a year” is the short answer, and it is often wrong. What really sets the interval is your system and your surroundings, not the calendar.
7min read
Air quality
3Bathroom mould that keeps coming back: trace the real cause, not just the stain
Black marks keep reappearing on your bathroom ceiling or sealant. As long as the room stays humid, mould returns. Here is how to track the real cause in your flat.
6min read
Indoor CO₂: the simplest indicator of your air quality
CO₂ does not poison you at the levels found in a home. It tells you something else, far more useful: whether the air is being renewed.
7min read
Condensation on windows: what it tells you about your home
Condensation is neither inevitable nor a window fault. It is a measurable signal: too much water vapour, too little air renewal, or a surface that is too cold.
8min read