Case Study: Fortius II

Natural ventilation in buildings can significantly reduce energy consumption for space heating and cooling which, according to the United States Environmental Protection Agency, accounts for approximately 33% of overall building energy consumption. Solar Passive Design has been met with resistance and skepticism within the architecture and engineering community due to issues concerning climate, comfort, and its complex strategies. Consequently, these strategies have been disregarded throughout the years as new technologies and construction methods are developed. Several rating systems such as LEED® Certification, from the U.S. Green Building Council®, are extremely useful providing step by step guidance on how to achieve effective strategies through different standards and therefore helping designers make informed decisions regarding the effectivity of their design strategies.

With guidance of the LEED Reference Guide for Green Building Design and Construction, this paper will explain how comfort was achieved through natural ventilation in a major renovation project located in a climate zone where weather conditions are expected to be challenging.