Brent Stephens

  • Department Chair
  • Professor of Architectural Engineering
  • Director of Architectural Engineering
  • Director of Environmental Engineering


Ph.D. Civil Engineering, The University of Texas at Austin, 2012
M.S.E. Environmental and Water Resources Engineering, The University of Texas at Austin, 2009
B.S.E. Civil Engineering, Tennessee Technological University, 2007

Research Interests

Dr. Brent Stephens runs the Built Environment Research Group at Illinois Tech, which is dedicated to investigating energy and air quality in the built environment. His major research areas include:

  1. Indoor pollutant dynamics
  2. Building science measurements and methods
  3. Air cleaning and filtration
  4. Human exposure assessment
  5. Building energy efficiency and energy simulation

Recent Research Projects:

2016-2019: Cost-effective approaches to upgrading residential mechanical ventilation systems to control indoor pollutants of both indoor and outdoor origin and improve asthma-related health out-comes. U.S. Department of Housing and Urban Development (HUD)

2016-2017: Vertical variations in indoor exposures to outdoor pollutants in tall buildings. Council on Tall Buildings and Urban Habitat (CTBUH) International Research Seed Funding

2015-2018: Mechanistic modeling of microbial metabolic succession in the built environment. Alfred P. Sloan Foundation

2014-2017: Combining measurements and models to predict the impacts of climate change and weatherization on indoor air quality and chronic health effects in U.S. residences. U.S. Environmental Protection Agency (US EPA)

2014-2016: Evaluating and controlling airborne emissions from desktop 3D printers. Centers for Disease Control (CDC), National Institute of Occupational Safety and Health (NIOSH)

2014: Modeling the impact of residential HVAC filtration on indoor particles of outdoor origin. American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE) RP-1691

2014-2016: Indoor bioaerosol fate, transport and control: Implications for infectious disease transmission. Alfred P. Sloan Foundation. Microbiology of the Built Environment (MoBE) Post-doctoral Fellowship advisor to Stephanie Kunkel, Department of Biological and Chemical Sciences, IIT

2013-2015: Open source building science sensors project. Alfred P. Sloan Foundation

2012-2014: Building science measurements for the Hospital Microbiome Project. Alfred P. Sloan Foundation

Professional Affiliations & Memberships

Dr. Stephens currently serves as Secretary of the International Society for Indoor Air Quality and Climate (ISIAQ), Chair of the ISIAQ Scientific and Technical Committee (STC) 21 on Ventilation, and Member and Research Subcommittee Chair of ASHRAE Technical Committee 2.4 on Particulate Air Contaminants and Particulate Contaminant Removal Equipment.

American Society for Heating, Refrigerating and Air-conditioning Engineers (ASHRAE)

International Society of Indoor Air Quality and Climate (ISIAQ)

International Society of Exposure Science (ISES)


ASHRAE New Investigator Award, 2015: Evaluating the impacts of building enclosures and HVAC filtration on airborne particulate matter and energy efficiency in residential buildings


Fate and transport of indoor pollutants, building energy and environmental measurements, HVAC filtration, human exposures to airborne pollutants, energy efficient buildings, building simulation.