Decades of research in air quality and ventilation in schools! Several thousand years ago, the first so-called schools were founded, and the school education of people started. Today, education can take up to ¼ of human life, and most of the time is spent indoors – in school buildings. Environment – inside (indoor) and around […]...
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Archive for the ‘News’ Category
August 30, 2021
Swimming pool in passive house!
Energy efficiency for all energy loads! The concept for building a passive house swimming pool focuses on the high-quality building envelope with reduced risk of condensation (insulated, airtight, good window…...
August 18, 2021
IEQ = IAQ + ITQ + ILQ + ISQ
All mighty equation! The equation is about indoor environmental quality (IEQ) composing from indoor air quality (IAQ), indoor thermal quality (ITQ – also known as thermal comfort), indoor lighting quality…...
July 29, 2021
Indoor thermal quality also known as thermal comfort!
How to measure indoor climate? In the previous post “How to measure indoor climate? IAQ in focus!” (link here) we talked about indoor environmental quality (IEQ) composing from indoor air…...
July 23, 2021
How to measure indoor climate? IAQ in focus!
What is IEQ? Indoor environmental quality (IEQ) refers to the environmental conditions inside regularly occupied space and it is determined by many factors, including indoor air quality (IAQ), indoor thermal…...
June 23, 2021
Transitioning from IAQ to IEQ!
In short! With an extreme focus and rapid development in recent decades (in research, industries and all types of buildings), indoor air quality (IAQ) is often misused as a substitute…...
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May 21, 2021
Can only 12 parameters evaluate the IEQ in buildings?
What are IEQ and TAIL? The indoor environmental quality (IEQ) is a general indicator of the quality of conditions inside a building. IEQ can be defined and determined by various…...
April 27, 2021
Ventilation is a mediating factor, not a cause!
Ventilation in buildings! Ventilation is an important component of any building, even if achieved by opening windows (adventitious ventilation) or infiltration (unintentional ventilation). It is without a doubt recognized as…...
March 25, 2021
Ventilation: How buildings breathe?
Buildings, as humans, need to breathe! Like the lungs, buildings need to be able to breathe to make sure that fresh air comes in and dirty air goes out. There…...
February 26, 2021
Relative humidity as the main signal for comfort indoors!
Requirements for relative humidity! Humidity definition dates back to the 1300s and is widely proved to be one of the important factors in buildings. Together with temperature, relative humidity is…...
January 29, 2021
What is the human daily intake of air, water and food?
Human daily intake of food, water and air! Jan Vilhelm Bakke in the AIR Swegon Air Academy book (published in 2008) stated: “On average, an adult male with a sedentary…...