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Posts Tagged ‘ventilation’

January 9, 2017

Ventilation paradigms and rates in history!

History In late 20th century, oil shock focusses attention on energy, that is pushing for thighter envelopes and push for lower ventilation.  Also the International Energy Agency was created and new producs appear indoors. This all have unintended consequences on indoor air quality (IAQ) and this why we need to know why we ventilate now. […]...

AUTHOR: Petra Vladykova Bednarova

January 2, 2017

First ventilation standard!

Health and ventilation Early health concerns when Egyptians noted health of pyramid stonecutters improved with ventilation. First ventilation standard First ventilation standard in 1631 where King Charles of England decreed…...

AUTHOR: Petra Vladykova Bednarova

December 29, 2016

Balanced ventilation against radon in homes!

Elevated levels of radon indoors is hazardous and can lead to lung cancer. Especially dangerous is radon for smokers because radon and smoking have major synergies. Balanced ventilation against radon…...

AUTHOR: Petra Vladykova Bednarova

December 26, 2016

What is ventilation? Why do we ventilate?

Ventilation is… In medicine: to exchange air in the lungs In latin: “ventilare” is to “expose to the wind” Today: it means to bring in outdoor air and replace indoor…...

AUTHOR: Petra Vladykova Bednarova

December 21, 2016

Enlightened thinking for BREEAM and passive house in Enterprise Centre Norwich!

Interesting article “Enlightened thinking” was published in the CIBSE Journal December 2016 about one of Swegon Air Academy Building Case Study: Enterprise Center Norwich. Read the full article here (link…...

AUTHOR: Petra Vladykova Bednarova

December 8, 2016

Passivhaus for contractors: Building services and sequencing!

Building services in passivhaus: ventilation, controls and indoor air quality Indoor air quality, which should be exceptionally good in Passivhaus buildings, will be spoilt if ductwork, mechanical ventilation with heat…...

AUTHOR: Petra Vladykova Bednarova

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December 6, 2016

Insufficient ventilation in our new homes!

Health in our homes (link here) is effected by air quality and ventilation and this is especially true when there is insufficient ventilation in homes, especially in new buildings. The…...

AUTHOR: Petra Vladykova Bednarova

November 30, 2016

Sleeping in our homes!

Sleeping in our homes Another factor which ranks highly is how good and sound asleep we are sleeping in our homes. The importance of sleep for health is of course…...

AUTHOR: Petra Vladykova Bednarova

November 23, 2016

Health in our homes!

Health in our homes Our health is affected by the air quality we have in our homes. In addition to indoor air we breathe (link here), moisture (read more here), pollutions…...

AUTHOR: Petra Vladykova Bednarova

November 17, 2016

Radon in our homes!

Radon in our homes In addition to indoor air we breathe (link here), moisture (read more here) and pollutions (read more here),  in our homes, radon can also be a risk…...

AUTHOR: Petra Vladykova Bednarova

November 15, 2016

Moisture in our homes!

Moisture in our homes Apart from Pollutions in our homes! (read more here), another kind of pollution in our homes is moisture. When we shower, wash and cook increases the…...

AUTHOR: Petra Vladykova Bednarova