Posts by Marquis Intelligence Team
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...
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...
Mini Case Study: Impeccably Clean Air in Hospital in Novi Sad
Impeccably Clean Air in Hospital – A Goal Pursued for More Than 150 Years
If you didn’t know, the first attempt to sterilize air in an operating thea...
Bipolar Air Ionisation – First Page of Google
Does anyone actually type “bipolar air ionization” into Google Search?
Believe it or not, quite a few do.
What appears as the result when searching ...
EPBD: Energy-Efficient Buildings Need Healthy Indoor Air
Did you know that buildings consume around 40% of all energy in use today? At the same time, they generate nearly 35% of greenhouse gas emissions. Tha...
Mini Case Study: Establishing Digital Authority in Air Quality
A strong online presence is no longer optional. It's a foundation for success.
It applies equally to specialized engineering fields and the broader b...
Comfort Ventilation: A Binding Standard for Indoor Air Quality
The D-A-CH group (D – Germany, A – Austria, CH – Switzerland) of HVAC experts has been meeting every autumn since 2010 to exchange knowledge and insig...
Ignaz Semmelweis: Savior of Mothers and Newborns
The Hungarian physician Ignaz Semmelweis, remembered as the “savior of mothers,” forever transformed the history of medical practice and hygiene in th...