Perplexed by all this talk of u-values and blower door tests? Our sustainable building glossary will help you get to grips with the key terminology.

Search for glossary terms (regular expression allowed)
Term Definition

Leadership in Energy and Environmental Design is an environmental rating system for buildings developed by the US Green Building Council. It addresses location, water efficiency, energy, materials, indoor environmental quality and design. There are four levels of certification: Certified, Silver, Gold and Platinum

life cycle assessment

An examination of a material or product's impact (typically on the environment, but also on people/society) throughout its life cycle, from the extraction of raw materials through to its disposal or recycling

low emissivity coating

A thin metallic coat on a window that lets most light in while blocking heat.