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STANDARDS & GUIDELINES RESEARCH

ASHRAE Standards and Guidelines

The recent enhancement of the online standards review database presents improved functionality, incorporating a unified sign-in feature alongside a dashboard. This enables users to conveniently access and pinpoint items necessitating attention. Through this updated system, staff and volunteers can optimize their time, as committees are...
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HOW BUILDING AUTOMATION SYSTEMS IMPROVE ENERGY CODE COMPLIANCE

EXECUTIVE OVERVIEW As commercial energy standards become increasingly stringent, achieving compliance with modern building energy codes requires far more than installing high-efficiency equipment. Code frameworks such as ASHRAE Standard 90.1 and the International Energy Conservation Code (IECC) have transitioned from simple prescriptive component baselines to ...
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VENTILATION AND ENERGY BALANCING: NAVIGATING ASHRAE STANDARD 62.1 IN MODERN BUILDING CODES

EXECUTIVE OVERVIEW Heating, ventilating, and air-conditioning (HVAC) systems account for nearly half of total energy consumption in commercial structures, with conditioning outdoor ventilation air representing a major fraction of thermal loads. As global energy codes such as ASHRAE Standard 90.1 and the International Energy Conservation ...
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Optimizing the Indoor Habitat to Deliver True Comfort Alongside Low-Energy Design

EXECUTIVE OVERVIEW For decades, commercial building design operated under a rigid mechanical design paradigm: lock the thermostat at 22 °C (71.6 °F) year-round, supply high air-exchange volumes to counteract ambient loads, and maintain static thermal conditions. While this approach minimized occupant complaints in controlled commercial ...
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Thermal Comfort and the Science of ASHRAE STD 55

ASHRAE Standard 55, formally titled Thermal Environmental Conditions for Human Occupancy, is the principal U.S. standard that defines how to specify, evaluate, and document indoor thermal conditions that most occupants will find acceptable. It translates the subjective experience of thermal comfort into measurable environmental and ...
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Beyond Energy Efficiency: Designing for Indoor Environmental Quality

A high-performing building should be evaluated by more than its energy use. Although energy efficiency is important, a building must also provide healthy air, thermal comfort, and protection from indoor environmental risks. Indoor environmental quality (IEQ) directly affects occupant health, comfort, productivity, and satisfaction. For ...
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Defining the Energy Floor with ASHRAE 90.1

Introduction Energy consumption in buildings is closely connected to operating costs, environmental impacts, and national efforts to reduce greenhouse-gas emissions. As commercial and high-rise residential buildings become more complex, minimum energy-efficiency requirements are necessary to guide their design, construction, and operation. ANSI/ASHRAE/IES Standard 90.1 provides ...
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IMPACT OF THE GROWING AI TREND ON DATA CENTER THERMAL IFRASTRUCTURE

1. Increased Heat Density from AI Chips The rise of AI and high-performance computing (HPC) has led to chips with much higher thermal design power (TDP), often reaching 700–800W per chip or more. Traditional air cooling, which was sufficient for chips consuming 100–200W, is no ...
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ASHRAE Research

Since 1960, ASHRAE has supported research at universities and research firms. The outcomes are used in ASHRAE Handbook chapters, publications, standards, student training, and conference presentations.
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Information for TCs/TGs/MTGs

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