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Posts Tagged ‘indoor air quality (IAQ)’

March 14, 2016

Why is residential HVAC and IAQ so different from commercial one?

The residential world and occupants are different from other types of buildings such as offices, hotels, etc. The occupant in home has more control over indoor activities and he is the “end user”. It also depends if the occupant is renting home or if he has the ownership including the HVAC system. The indoor air […]...

AUTHOR: Petra Vladykova Bednarova

January 11, 2016

Indoor air quality, lighting and equipment criteria in upcoming nZEB legislation!

Indoor air quality in buildings and future nZEB legislation plays major role and in order to implement it by 2020, some changes in traditional requirements will be required such as:…...

AUTHOR: Carlos Lisboa

January 4, 2016

Criteria for rational application of air filters must be developed in nZEB!

Air filters introduce a significant pressure drop in the air stream and, therefore require significant amounts of energy to operate. Energy used in fans also increases the energy used in…...

AUTHOR: Carlos Lisboa

October 7, 2015

New seminar: Air quality and numerical modelling, playing a central role in tackling the challenges facing buildings!

On November 20th in Lyon in France Swegon Air Academy will conduct a seminar on air quality and numerical modelling, playing a central role in tackling the challenges facing buildings…...

AUTHOR: Petra Vladykova Bednarova

August 12, 2015

Interesting presentation about ventilation in cold climate!

The presentation “Saving Energy, Staying Healthy: Ventilation in Cold Climates” by Martin Kotol is all about Indoor Air Quality and Health, IAQ in Cold Climates, Ventilation systems, IAQ renovation in…...

AUTHOR: Martin Kotol

August 6, 2015

Design of a ventilation system for a typehouse in Greenland!

Typehouse 18D is one of the most common double family houses build in Greenland. These houses are in serious need of renovation, i.e. extra insulation with airtight layer, changing windows…...

AUTHOR: Petra Vladykova Bednarova

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August 3, 2015

History of ventilation: ventilation for healthy indoor air has a high priority!

When towns grew during the 1700s with increased overcrowding and the absence of adequate sanitation, health issues became increasingly urgent. Suspicions arose that some diseases are airborne. Ventilation for healthy…...

AUTHOR: Daniel Olsson

July 30, 2015

Cold climate research center and their videos!

Check out the videos (link here) by Cold Climate Housing (www.cchrc.org) on various research on ventilation in cold climate, saving energy, healthy homes, cold climate, indoor air quality, buildings in…...

AUTHOR: Petra Vladykova Bednarova

June 22, 2015

Presentations from Swegon Air Academy seminar in Paris are available for download!

Download interesting presentations from the Swegon Air Academy seminar in Paris, France, from June 19 by Frank Hovorka and Séverine Kirchner. The seminar was all about “Air quality and numerical modelling,…...

AUTHOR: Petra Vladykova Bednarova

March 9, 2015

Webinar #2 all about performance at the office!

Webinar #2 in November 2014 dealt with thermal & air quality effects on office work: Workrate is 8% lower at 27C (slightly warm) vs. 20C (cool) when clothed for 25C…...

AUTHOR: Petra Vladykova Bednarova

March 5, 2015

Webinar #1 all about performance of schoolwork by children!

Webinar #1 in May 2014 dealt with the performance of schoolwork by children where it summarised the findings of ASHRAE 1257: Warmth reduces performance: -3.5%/degC Poor ventilation reduces performance: half…...

AUTHOR: Petra Vladykova Bednarova