How to Choose Air Cleaning Equipment for IAQP Applications
ASHRAE’s Indoor Air Quality Procedure (IAQP) provides building owners and design teams with a powerful alternative to prescriptive ventilation rates. Rather than relying on fixed outdoor air requirements, IAQP allows ventilation strategies to be based on verified...
From Concept to Application: How ASHRAE’s IAQP Addenda Strengthen Clarity, Credibility, and Practical Design
ASHRAE’s 2019 edition of Standard 62.1 marked a pivotal step for the Indoor Air Quality Procedure (IAQP). However, it was the subsequent series of addenda that began transforming it from a conceptual alternative into a structured, data-driven design pathway. These...
What You Need to Know About ASHRAE Table 6-5: The Contaminants That Define Your Indoor Air Quality
When it comes to indoor air quality (IAQ), most people think about temperature, humidity, or maybe dust. But the real challenge often lies in the invisible gaseous and particulate contaminants that can quietly impact occupant health and comfort. That’s where ASHRAE...
Understanding ASHRAE Standards 145.2 and 52.2: A Guide to Interpreting Air Purifier Performance
When evaluating the effectiveness of air filtration, not all test data is created equal. Two of the most important industry standards for assessing air filters are ASHRAE Standard 145.2 and ASHRAE Standard 52.2. These serve as the foundation for strategies like ASHRAE...
