Filter by
Subjects
Category
Type
Understanding Hysteresis and Its Impact on HVAC Control Repeatability
This article explains how hysteresis in dampers and actuators undermines HVAC control repeatability and minimum outdoor air accuracy. It outlines ASHRAE research […]
Ensure Long-Term Ventilation Operation and IAQ in Virginia Schools
With Virginia’s new law requiring ventilation verification every 4 years starting July 1, 2025, it’s time for HVAC professionals and school leaders […]
FAQs on Virginia Law on Indoor Air Quality; Inspection and Evaluation
Starting July 1, 2025, Virginia public schools must verify that their HVAC systems meet ventilation standards. This includes installing permanent airflow measurement […]
IAQ for Virginia Schools
A new law will take effect in all Virginia schools starting July 1, 2025, to initiate Indoor Air Quality (IAQ) inspections and […]
Achieving Demand Control Ventilation Based on Occupancy
At South Lafourche High School and Thibodaux Middle School in Louisiana, fluctuating occupancy levels—particularly in classrooms and gymnasiums—highlighted the need for a […]
Making Healthier Buildings
Ventilation and filtration are foundational principles in healthy buildings. FMs are often burdened with reducing operating costs, and a prime target is […]
Meeting Ventilation Requirements, Achieving IAQ and Operational Efficiency
Claremore Indian Hospital recently upgraded its HVAC systems to significantly enhance indoor air quality (IAQ) and energy efficiency, ensuring optimal airflow and […]
Data-driven Insights: Improving Indoor Environment Quality and Sustainability with Room Sensor Technology
Digitalization is driving every aspect of the building industry, including the adoption of room sensing technology. But there are differences in room […]
Ventilation for Health and ASHRAE Standard 241-2023
Listen to this presentation on ASHRAE Standard 241-2023, discussing ventilation for healthy buildings. We will explore the historical context of why we […]
CO2 and IAQ: What's it all about?
This recorded webinar discusses the relationship between carbon dioxide levels and air quality, and exposes the risks and uncertainties of relying on […]