Indoor Environmental Quality


Does your building create a healthy environment for their occupants? The building industry is increasingly focused on making its buildings greener, which includes using healthier, less polluting and more resource-efficient practices. Indoor environmental quality (IEQ) refers to the quality of the air and environment inside buildings, based on pollutant concentrations and conditions that can affect the health, comfort and performance of occupants — including temperature, relative humidity, light, sound and other factors. Good IEQ is an essential component of any building, especially a green building.


The Indoor Air Quality Guide: Best Practices for Design, Construction and Commissioning is new guidance for achieving enhanced indoor air quality (IAQ) in large buildings. The Guide provides strategies needed to achieve good IAQ using proven technologies and without significantly increasing costs. Ensuring good means everyone breathes a little easier: occupants who experience improved health, comfort and productivity, and owners who see increased building value and reduced risk.

The Guide is a collaboration between EPA, American Society Of Heating, Refrigerating And Air-Conditioning Engineers, the American Institute of Architects, the Building Owners and Managers Association International, the Sheet Metal and Air Conditioning Contractors of North America, and the U.S. Green Building Council. Available on book and CD, the Guide describes 40 strategies for achieving critical IAQ objectives related to moisture management, ventilation, filtration and air cleaning and source control. It also highlights how design and construction teams can work together to ensure good IAQ strategies are incorporated from initial design through project completion. A summary document of the Indoor Air Quality Guide – ideal for a general understanding of the importance of major IAQ issues can be downloaded for free at