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 and news
UK Net Zero Carbon Buildings Standard V1 published
Free-to-access technical standard to enable robust proof of a decarbonising built environment.
Prostate Cancer Awareness Month
Why talking about prostate cancer matters in construction.
The Architectural Technology podcast: Where it's AT
Catch up for free, subscribe and share with your network.
The Association of Consultant Architects recap
A reintroduction and recap of ACA President; Patrick Inglis' Autumn update.
The Home Energy Model and its wrappers
From SAP to HEM, EPC for MEES and FHS assessment wrappers.
Future Homes Standard Essentials launched
Future Homes Hub launches new campaign to help sector prepare for the implementation of new building standards.
Building Safety recap February, 2026
Our regular run-down of key building safety related events of the month.
Planning reform: draft NPPF and industry responses.
Last chance to comment on proposed changes to the NPPF.
A Regency palace of colour and sensation. Book review.
Delayed, derailed and devalued
How the UK’s planning crisis is undermining British manufacturing.
How much does it cost to build a house?
A brief run down of key considerations from a London based practice.
The need for a National construction careers campaign
Highlighted by CIOB to cut unemployment, reduce skills gap and deliver on housing and infrastructure ambitions.
AI-Driven automation; reducing time, enhancing compliance
Sustainability; not just compliance but rethinking design, material selection, and the supply chains to support them.
Climate Resilience and Adaptation In the Built Environment
New CIOB Technical Information Sheet by Colin Booth, Professor of Smart and Sustainable Infrastructure.
Turning Enquiries into Profitable Construction Projects
Founder of Develop Coaching and author of Building Your Future; Greg Wilkes shares his insights.





















