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Home » Authors » Dr. Anna O'Donovan

Articles by Dr. Anna O'Donovan

woman and man install insulation into a home attic

How Air Barriers Support Healthier Indoor Air

The First Line of Defense
Dr. Anna O'Donovan
June 26, 2026

The case for air barriers in healthy building design rests on thinking about the envelope as a system rather than a collection of individual layers.


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a man wearing a mask installs insulation into a wall system

Quiet Rooms and Healthier Air: A Second Look at What Goes Inside the Wall Cavity

Why insulation conversations should include what occupants breathe, not only what they hear
Dr. Anna O'Donovan
May 8, 2026

Walls influence more than structure and sound. They quietly shape how a building feels to the people who use it: how it sounds, how the air smells, how a child with asthma sleeps at night, how a worker feels finishing the day. Insulation is part of that story.


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pro looking at HVAC unit

The Role of Certified HVAC Filtration in Achieving Healthy Indoor Air in Sealed Buildings

When Smoke Gets In
Dr. Anna O'Donovan
December 24, 2025

A Certified Asthma & Allergy Friendly HVAC filter, tested to rigorous scientific standards, provides a validated approach to capturing airborne allergens and fine particles, helping maintain cleaner indoor air even when outdoor conditions are challenging.


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Sonoran Studio Phoenix, AZ

How Certified Insulation and Wall Systems Work Together to Improve Indoor Air Quality

Today’s best envelope systems leverage certified, low-emission insulation to support energy efficiency and better indoor air
Dr. Anna O'Donovan
December 5, 2025

This article explores how properly designed wall systems can reduce airborne particulates, improve thermal continuity, minimise condensation risk, and contribute to healthier indoor environments across seasons.


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insulation on pipe

Creating Healthier Indoor Environments Through Innovative Building Materials

Explores how third-party certifications are helping drive more intentional material selection across the built environment
Dr. Anna O'Donovan
May 14, 2025

This article explores how innovations in building materials are reshaping the indoor environment by promoting healthier spaces for both residents and workers. 


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Sponsored Content is a special paid section where industry companies provide high quality, objective, non-commercial content around topics of interest to the Building Enclosure audience. All Sponsored Content is supplied by the advertising company and any opinions expressed in this article are those of the author and not necessarily reflect the views of Building Enclosure or its parent company, BNP Media. Interested in participating in our Sponsored Content section? Contact your local rep!

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    Pushing the Envelope

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    Designing Low-Slope Roofs for Resilience

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    Drained and Back-Ventilated Rainscreens vs Pressurized-Equalized Rainscreens

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April 9, 2026

Strategies for High-Performance Below-Grade Waterproofing

Credits: 1 AIA LU/HSW ; 1 IIBEC CEH; 0.1 IACET CEU

On-Demand Designing a high-performance building enclosure requires more than just surface-level protection; it demands a rigorous, performance-based mastery of below-grade water and gas mitigation. This discussion will provide an expert-level analysis of below-grade waterproofing within the comprehensive framework of the high-performance building enclosure.

April 28, 2026

Roof Design Considerations That Prevent Installation Failures and Change Orders

Credit: 1 AIA LU/HSW; 1 IIBEC CEH; 0.1 ICC CEU

On-Demand This course provides visual examples of actual field conditions. Some good, some not so good; along with design suggestions that can cut installation costs and reduce construction change orders. Upon completion of this course, you will have a better understanding of the requirements the roofing contractor must meet to provide the specified roofing system warranty, and long-term value to the owner.

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Plaster and Drywall Assemblies Manual

Plaster and Drywall Assemblies Manual

This is a comprehensive manual that goes beyond codes and standards, providing expert guidance in design, detailing, material selection and troubleshooting for plaster and drywall.

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