Ivo Remmelg Ventilation myths #4/8 Ventilation myths #4/8. It is important to blow in enough fresh air into the occupied zone! Ventilation systems are typically designed with two main principles: 1- Exhaust from wet rooms and other are... Apr 15, 2026 Academy
Ivo Remmelg Ventilation myths #5/8 If there’s no air, opening a window solves the problem. The feeling of lacking fresh air is not only about high CO₂ levels. Other factors matter too: higher temperature, volatile organic compounds, ex... Apr 15, 2026 Academy
Ivo Remmelg Ventilation myths #6/8 If the ventilation unit is undersized, the entire system must be replaced. Is the CO₂ level too high in your bedroom and you sleep all winter with the window open? Do you open the windows when guests ... Apr 15, 2026 Academy
Ivo Remmelg Ventilation myths #7/8 Positive pressure vs. negative pressure I have heard contradictory claims from ventilation specialists and building owners alike. Sometimes positive pressure is recommended so that “cold air doesn’t e... Apr 15, 2026 Academy
Ivo Remmelg Ventilation Myths #8/8 Supply air temperature must be equal to room temperature. It cannot be said that designers are doing ventilation wrong — but in many buildings, solutions could definitely be significantly better. Toda... Apr 15, 2026 Academy
Ivo Remmelg The impact of indoor environmental quality on tourist accommodation ratings using guest reviews Most hotel operators still think guest satisfaction is mainly about service. But new research shows something more fundamental: the indoor environment itself quietly drives up to one-third of guest ra... Apr 15, 2026 News
Ivo Remmelg Featured in Fomo.Observer RIGA - In the startup world, the most enduring founders often build solutions for problems that have quietly annoyed them for decades. For Ivo Remmelg, that “annoying problem” was literally the air he... Apr 15, 2026 News
Ivo Remmelg Demand-based or static? Water from the tap, indoor temperature, heating, your car, even food in a restaurant—everything we consume is demand-based. It would be hard to imagine building a house, installing the plumbing, and t... Apr 15, 2026 Academy
