Whole building ventilation
Approved document F, Ventilation, suggests that ‘whole building ventilation’, or ‘general ventilation is:
‘…nominally continuous ventilation of rooms or spaces at a relatively low rate to dilute and remove pollutants and water vapour not removed by the operation of extract ventilation, purge ventilation or infiltration, as well as supplying outdoor air into the building. For an individual dwelling this is referred to as ‘whole dwelling ventilation’.’
Where:
- Extract ventilation is, ‘…. The removal of air directly from a space or spaces to the outside. Extract ventilation may be by natural means (e.g. by passive stack ventilation) or by mechanical means (e.g. by an extract fan or central system).’
- Purge ventilation is, ‘…manually controlled ventilation of rooms or spaces at a relatively high rate to rapidly dilute pollutants and/or water vapour. Purge ventilation may be provided by natural means (e.g. an openable window) or be mechanical means (e.g. a fan).’
- Infiltration is, ‘… the uncontrolled exchange of air between inside a buildings and outside through cracks, porosity and other unintentional openings in a building, caused by pressure difference effects of the wind and/or stack effect.
Whole building ventilation might be provided by background ventilators, as illustrated below.
[edit] Related articles on Designing Buildings
- Air conditioning.
- Air infiltration testing.
- Approved Document F.
- Background ventilator.
- Convection.
- Cross ventilation.
- Displacement ventilation.
- Domestic ventilation systems performance.
- Heat recovery ventilation.
- HVAC.
- Mechanical ventilation.
- Natural ventilation.
- Passive building design.
- Solar chimney.
- Stack effect.
- Ventilation.
- Ventilation and control of COVID-19 transmission.
Featured articles and news
ECA Industry Awards 2024 shortlist revealed
22 leading businesses from across the electrotechnical and engineering services sector.
Government unveils Skills England strategy
Skills England to transform opportunities and drive growth.
New Government Hub for York Given Planning Green Light
For up to 2,600 civil servants, due for completion by 2028.
Construction Skills Certification Scheme cards
July update on Professionally Qualified and Academically Qualified Person Cards.
BSRIA Briefing 2024, November 22
Sustainable Futures: Redefining Retrofit for Net Zero Living.
The CLC on driving competency in the retrofit sector
Previously published roadmap on skills for net zero.
The first labour government King's speech in fifteen years
Construction industry reactions, support and some concern.
CIOB Retrofit of Buildings Technical Information Sheet
What retrofit is, the approach to be taken and processes to be followed.
Adapting Historic Buildings for Energy and Carbon Efficiency
Historic England advice note 18, free download published.
10 retrofit projects revisited 10 years after completion.
Information orders, building liability orders and SPVs
Key BSA terms and how they impact special purpose vehicles.
Listed despite problems with its design.
Zen and the art of cycling exploration.
Design Council Homes Taskforce launched
To support government 1.5 million homes target within UK climate commitments.
Comments
[edit] To make a comment about this article, or to suggest changes, click 'Add a comment' above. Separate your comments from any existing comments by inserting a horizontal line.