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ASHRAE - 55 ADD I

Thermal Environmental Conditions for Human Occupancy

inactive, Most Current
Organization: ASHRAE
Publication Date: 28 April 2023
Status: inactive
Page Count: 5

Document History

55 ADD I
April 28, 2023
Thermal Environmental Conditions for Human Occupancy
A description is not available for this item.
55 ADD H
December 30, 2022
Thermal Environmental Conditions for Human Occupancy
PURPOSE The purpose of this standard is to specify the combinations of indoor thermal environmental factors and personal factors that will produce satisfactory thermal environmental conditions to...
55 ADD G
April 29, 2022
Thermal Environmental Conditions for Human Occupancy
A description is not available for this item.
55 ERTA
April 21, 2022
Thermal Environmental Conditions for Human Occupancy
A description is not available for this item.
55 ADD D
October 29, 2021
Thermal Environmental Conditions for Human Occupancy
FOREWORD Addendum d to Standard 55-2020 makes changes to the ERF code. The new code allows the user to calculate ERF and delta mean radiant temperature for an additional body position: horizontal....
55 ERTA
July 7, 2021
Thermal Environmental Conditions for Human Occupancy
A description is not available for this item.
55 ADD E
June 30, 2021
Thermal Environmental Conditions for Human Occupancy
FOREWORD Addendum e to Standard 55-2020 changes the paragraph that describes the basis for the calculation of prevailing mean temperature in Section 5.4.2.1. This change eliminates an equation that...
55 ADD F
June 30, 2021
Thermal Environmental Conditions for Human Occupancy
FOREWORD Addendum f to Standard 55-2020 changes the air speed definition to account for moving occupants. Additionally, activity-generated air speed and clothing insulation adjustment for an active...
55 ADD A
April 30, 2021
Thermal Environmental Conditions for Human Occupancy
FOREWORD Addendum a adds a new method for the assessment of local thermal discomfort with vertical air temperature gradient between the head level and ankle level. Recent studies found that the...
55 ADD B
April 30, 2021
Thermal Environmental Conditions for Human Occupancy
FOREWORD Addendum b to Standard 55-2020 changes the upper metabolic rate limit for the standard from 2 to 4. This change aligns the standard with ISO Standard 773 and is motivated by consistent...
55 ADD C
April 30, 2021
Thermal Environmental Conditions for Human Occupancy
FOREWORD Addendum c to Standard 55-2020 changes the lower limit of average air speed when using the Elevated Air Speed Comfort Zone Method from 0.2 m/s to 0.1 m/s. The change is to avoid the step...
55 ERTA
April 28, 2021
Thermal Environmental Conditions for Human Occupancy
A description is not available for this item.
ASHRAE STD 55
January 29, 2021
Thermal Environmental Conditions for Human Occupancy
FOREWORD Addendum h to Standard 55-2017 updates normative references to updated versions of ASHRAE publications and also replaces the normative reference to the ASHRAE Thermal Comfort Tool. The...
ASHRAE STD 55
January 29, 2021
Thermal Environmental Conditions for Human Occupancy
FOREWORD Addendum g to Standard 55-2017 revises Figure 5.3.2C to be consistent with the language of Section 5.3.3.1, where both a met condition and clo condition are provided. The original version...
ASHRAE STD 55
October 15, 2020
Thermal Environmental Conditions for Human Occupancy
A description is not available for this item.
ASHRAE STD 55
September 30, 2020
Thermal Environmental Conditions for Human Occupancy
FOREWORD Addendum e includes a bug fix to the shortwave solar calculation method explained in Section C1 and the corresponding consequential edits to the prescriptive tables in Section 5.3.2.2.1....
ASHRAE STD 55
September 1, 2020
Thermal Environmental Conditions for Human Occupancy
FOREWORD Addendum f removes the prohibition against applying the adaptive model described in Section 5.4 for occupant-controlled naturally conditioned spaces in spaces that have an air conditioning...
ASHRAE STD 55
July 31, 2020
Thermal Environmental Conditions for Human Occupancy
A description is not available for this item.
ASHRAE STD 55
July 10, 2020
Thermal Environmental Conditions for Human Occupancy
A description is not available for this item.
ASHRAE STD 55
June 26, 2020
Thermal Environmental Conditions for Human Occupancy
A description is not available for this item.
ASHRAE STD 55
January 1, 2020
Thermal Environmental Conditions for Human Occupancy
The environmental factors addressed in this standard are temperature, thermal radiation, humidity, and air speed; the personal factors are those of activity and clothing. It is intended that all of...
ASHRAE STD 55
May 31, 2019
Thermal Environmental Conditions for Human Occupancy
FOREWORD Addendum b updates the computer code for calculation of PMV-PPD using the JavaScript language to ease use of the code in modern software applications. The updated code also includes errata...
ASHRAE STD 55
January 29, 2019
Thermal Environmental Conditions for Human Occupancy
A description is not available for this item.
ASHRAE STD 55
October 31, 2017
Thermal Environmental Conditions for Human Occupancy
FOREWORD Addendum a adds a new method for the avoidance of the draft risk at the ankle region. Currently, the standard does not provide guidance for assessing ankle draft. The new method applies to...
ASHRAE STD 55
July 18, 2017
Thermal Environmental Conditions for Human Occupancy
A description is not available for this item.
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References

This document references:
ASHRAE STD 62.1 - Ventilation for Acceptable Indoor Air Quality
Published by ASHRAE on January 27, 2021
FOREWORD Addendum a clarifies that air density adjustments are permitted but are not required. At the publication of ANSI/ASHRAE Standard 62.1-2016, General Notes for Table 6.2.2.1, Note 3 was...
This document references:
ASHRAE STD 62.2 - Ventilation and Acceptable Indoor Air Quality in Residential Buildings
Published by ASHRAE on January 1, 2019
A description is not available for this item.
This document references:
ASHRAE STD 90.1 IP - Energy Standard for Buildings Except Low-Rise Residential Buildings
Published by ASHRAE on November 4, 2020
FOREWORD Currently, Section 11 and Appendix G allow unlimited trade-offs between building envelope and other building systems. Studies have concluded that weaker building envelopes can permanently...
This document references:
ASHRAE FUNDAMENTALS IP - 2017 ASHRAE Handbook Fundamentals
Published by ASHRAE on January 1, 2017
Preface The 2017 ASHRAE Handbook—Fundamentals covers basic principles and data used in the HVAC&R industry. The ASHRAE Technical Committees that prepare these chapters provide new information,...
This document references:
ASHRAE FUNDAMENTALS SI - 2017 ASHRAE Handbook Fundamentals
Published by ASHRAE on January 1, 2017
Preface The 2017 ASHRAE Handbook—Fundamentals covers basic principles and data used in the HVAC&R industry. The ASHRAE Technical Committees that prepare these chapters provide new information,...
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