Blog
Plate or Rotary Heat Recovery Unit in Residential Central Ventilation?
Central residential ventilation with heat recovery has become a standard in modern construction and renovation of existing buildings. It enables contr...
The Top 5 projects of Marquis Intelligence in 2025
The Top 5 projects of Marquis Intelligence in 2025 reflect a year marked by extensive experience and technical diversity.
As can be seen, the past ye...
EPBD 2026 and Indoor Air Quality – If the Air Is Poor, the Building Is Poor
EPBD 2026 and indoor air quality are becoming inseparable in the way building quality is assessed in Europe. As of May 2026, the new version of the En...
Mini Case Study: Air Quality in a Café Where Smoking Is Allowed
Mini Case Study: Air Quality in a Café Where Smoking Is Allowed
In December 2025, the technical team at Marquis Intelligence faced one of its most de...
Pettenkofer’s Number – CO₂ and Indoor Air Quality
Indoor air quality is increasingly being linked to human health. In this context, carbon dioxide (CO₂) and air quality have become inseparable concept...
HVAC and IAQ System Maintenance – The Pillar of Reliability
Modern buildings include numerous technical installations that often go unnoticed by users. Most people typically think of electrical systems, plumbin...
Airborne Microplastics – Are They Really Negligible?
When people talk about microplastics, they usually mention drinking water, bottled beverages, and food. Airborne microplastics stayed out of focus for...
Air Pollution and Thyroid Health – New Scientific Insights
A growing body of scientific research confirms that air pollution and thyroid health are closely connected. Various air pollutants can directly affect...
Business Year 2025 at Marquis Intelligence
Global challenges marked the business year 2025. No industry remained unaffected. The rapid adoption of artificial intelligence further widened the ga...
A Free Christmas Gift – Air Ions
During winter, and especially throughout the Christmas season, we spend much more time indoors. While we think about the warmth of our home, decoratio...