Air Cleaning (Particulate Filtration, Portable and In-Duct Air Cleaners, Coil Cleaning) and Airborne Infectious Diseases

This course provides an overview of air cleaning to minimize infectious diseases spread using ASHRAE COVID-19 filtration and disinfection framework. How to select particulate filters, air cleaners, and how to determine coil cleaning frequency and design considerations with respect to pressure drop, efficiency for different particulate size, by-pass, clean air delivery rate, and by-products will be reviewed. Different approaches using one or combination of control methods will be compared from energy and indoor air quality impact.

**Note this will be a face to face (mask to mask) and virtual event.

Dr. Marwa Zaatari is an ASHRAE Distinguished Lecturer, a member of the ASHRAE Epidemic Task Force Commercial team and will serve on the USGBC board of directors starting January 2021. She is a member of several ASHRAE Committees, voting member of Standard 62.1, Chair for TRG4 Indoor Air Quality Procedure, Vice Chair of MTG.HWBE Health and Wellness in the built environment, Vice Chair of TC2.3 gaseous removal contaminants, Voting Member Standard 145.2 laboratory test method for gas-phase air cleaning systems, IAQ2020 Conference organizer, LEED Committee member, and ex-Chair of LEED IAQP Working Group.

Dr. Zaatari is Partner at D ZINE Partners. She leads the research of “Air as a Service” around indoor air quality, filtration and air cleaning systems, and IAQ measurements to design and operate buildings for optimal energy and people efficiency.

Dr. Zaatari has extensive experience in identifying and quantifying the sources, fate, and transport of indoor air pollutants, building energy and environmental management, assessing performance-based procedures of HVAC ventilation and air cleaning, and developing and applying models for energy efficiency, indoor air quality, exposure assessment, and economic impacts of indoor air pollution.

Prior to founding D ZINE Partners, Dr. Zaatari was Vice President of Building Solutions at enVerid Systems since 2015. She leads the design of ventilation and filtration/sorption systems in buildings, integration into HVAC systems, and was responsible for managing customer-site installation and ongoing operations and field service.

Dr. Zaatari earned a PhD in Architectural and Environmental Engineering from the University of Texas at Austin with a focus on the built environment and a master’s degree in engineering management from The American University of Beirut, Lebanon with a focus on energy management.

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Topic:

ASHRAE Standard 90.2-2018 and the Pathway to High-Performance Residential Buildings

ASHRAE holds a unique position through its standards to define and shape residential building performance. ANSI/ASHRAE/IES 90.2-2018 (replacing the Standard 90.2-2007) is a leadership standard that presents a new approach to deliver residential building energy performance and which results in buildings with higher energy efficiency than those built to the IECC-R. Consequently, ASHRAE 90.2 is an option as a turnkey residential stretch code. The path to creating ANSI/ASHRAE/IES 90.2-2018 as a leadership standard was initiated by a Standards Advisory Panel recommendation to the ASHRAE Technology Council that set goals for a leadership residential energy efficiency standard. Key to meeting the leadership goal is the delivery of an accurate, flexible, performance-based tool to enable user creativity in meeting performance objectives. Additionally, ANSI/ASHRAE/IES 90.2-2018 provides leadership by incorporating detailed verification requirements, thus ensuring that the intended energy performance results are achieved. This presentation reviews the structure, requirements and potential applications of ANSI/ASHRAE/IES 90.2-2018. The standard’s development and future path will be discussed

Dr. Theresa Weston is a building science research professional specializing in the durability and energy efficiency of buildings.

Theresa started The Holt Weston Consultancy in November 2020 to foster innovation of building materials, and products to improve the resilience and sustainability of buildings. Prior to starting the Holt Weston Consultancy, Dr Weston was a DuPont Laureate with the Dupont Safety and Construction business, having worked for DuPont for 35 years. DuPont Laureate is the highest technical professional level in the DuPont company.

Theresa received her Bachelor of Science degree in Chemical Engineering from the Massachusetts Institute of Technology, and Masters and PhD degrees in Chemical Engineering, both from the California Institute of Technology.

While at DuPont, Theresa demonstrated a track record of anticipating the need for new technology through the strategic analysis of technology trends and driving the deployment of innovation in the marketplace. She is an inventor on four patents, two of which introduced new product categories into the construction market: 1) Development of industry’s first “drainage wrap”, creating a new water resistive barrier category [US6355333B1 “Construction Membrane” (2002)], and (2) Introduced the category of “formable window flashing” [US7351296B2“Stretchable Flashing Materials and Processes for Making” (2008)].

Dr. Weston is a 25-year member of ASHRAE, having served on the Technical Activities Committee, the Standards Committee and as the Chair of the Residential Buildings Committee, as well as serving on a number of Technical and Standards Project Committees. As chair of ASHRAE 90.2 ANSI/ASHRAE/IES Standard 90.2-2018, Energy-Efficient Design of Low-Rise Residential Buildings, Theresa led the committee to transform the standard to a leadership standard. She was also a member of the project committee which produced the initial publication of ASHRAE Standard 160 Criteria for Moisture-Control Design Analysis in Buildings.

Theresa is active with industry standard and code development activities outside of ASHRAE, including with ICC, and ASTM. She chairs ASTM E06.41 the Performance of Buildings Subcommittee on Air Leakage and Ventilation. She currently serves on the ASTM Committee on Publications and as a member of the ICC Residential Code Interpretation Committee.

Dr. Weston is a prolific author and industry speaker. Recent activities include chairing an ASTM Symposium and resulting special technical publication on Whole Building Air Leakage: Testing and Building Performance Impacts (STP1615) as well as presentations at ASHRAE, EEBA and RESNET Conferences. She is the Vice-Chair of the ASHRAE sponsored Buildings Conference Series.

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