Every day, the indoor air is being polluted by its inhabitants (breathing, sweating), through their activities (cooking, showering, heating and smoking), but also by the building itself and its furnishing. A poor indoor climate may cause breathing problem, dry throat, eye irritation, lack of energy, impared concentration, … Moreover, excess moisture in the home can cause odors, condensation and mold growth.
Renson’s continuous and controlled ventilation system guarantees a healthy indoor climate by replacing contaminated indoor air with fresh outdoor air. Over time, poor indoor air quality can lead to health issues like allergies, headaches, fatigue, and reduced concentration. Renson ensures a consistent flow of fresh air, safeguarding your well-being and enhancing comfort.






We believe that high-quality products and innovative solutions contribute to an energy-efficient, comfortable and
healthy life. There is a reason why our baseline is ‘Creating healthy spaces’. And in doing so, we start from a few basic principles.

Our drive for innovation fuels progress and results.

We build a healthy world with sustainable practices.

Thorough engineering delivers ease and low maintenance, driven by RIO.

Renson solutions deliver seamless design with refined finishing.

For home or workspace, rustic or modern, we deliver tailored solutions.

Glazed in, Installation at top

Installation at transom

Glazed in, Installation at bottom











Installation at Transform In build Mosquito Mesh

Installation at Transform In build Mosquito Mesh












Monolith’s intelligent ventilation systems promote healthier living through fresh air flow and energy efficiency. Discreetly integrated into your design, they balance indoor climate without compromising aesthetics.
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