Glossary Terms Part 3

Aerated Autoclaved Concrete (AAC) - precast concrete that is cured by steam pressure inside a kiln called autoclave. The material is lighter weight than conventional concrete and has good insulation properties.

Energy Assessment - a written report prepared by a qualified party evaluating energy usage, highlighting weak points in energy efficiency, and identifying cost-savings measures. A less rigorous process than an energy audit.

Permeable Pavement - a paving material that allows the penetration of water, thus significantly reducing runoff from storm water.

Glossary Terms Continued

Heat exchanger: two-way air conditioner that heats and cools by exchanging heat with the ground through a buried loop.



Urban Infill: redevelopment of sites, in the core of metropolitan areas, for commercial and residential purposes.



Wetland: areas that serve as links and buffers between land and water resources by collecting and filtering runoff.