Air
The term ‘air’ refers to the mixture of gases that surrounds the Earth. It is invisible, odourless and tasteless and mainly comprises nitrogen (78%), oxygen (21%) and traces of other gases such as carbon dioxide, neon, argon, helium, methane and hydrogen, as well as water vapour.
Types of air referred to in the built environment include:
Other articles about air on Designing Buildings include:
- Air brick.
- Air change rate.
- Air conditioning.
- Air entrainment.
- Air filtration.
- Air infiltration.
- Air pollution.
- Air Quality Taskforce.
- Air quality.
- Air rights.
- Air source heat pumps.
- Airspace.
- Air temperature.
- Air tightness.
- Air-supported structure.
- Argon.
- Carbon dioxide.
- Carbon monoxide.
- Clean Air Act.
- Clean Air Zone.
- Compressed air plant.
- HVAC.
- Hydrogen.
- Indoor air quality.
- Indoor air velocity.
- Methane.
- Nitrogen.
- Ozone.
- Radon.
- Underfloor air distribution.
- Water vapour.
Featured articles
Check out some of the best features and news from Designing Buildings as well as key stories from around the web.
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Historic England and infrastructure
New projects offer opportunities for the historic environment and local communities.
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Construction deaths halve in two years.
Green Book changes to drive investment in all parts of UK.
Minimum energy efficiency standards (MEES)
CIAT briefing on response to consultations for privately rented non-domestic properties.
Connect, collaborate, shape the future
Registration now live for UK Construction Week Birmingham.
CIOB announces Saul Humphrey FCIOB as new President for 26/27 term.


















