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ASHRAE STD 90.1 IP

Energy Standard for Buildings Except Low-Rise Residential Buildings

active, Most Current
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Organization: ASHRAE
Publication Date: 30 October 2020
Status: active
Page Count: 6
scope:

FOREWORD

Addendum k adjusts the Section 11 budget building fan power to avoid a fan power credit for cases where the proposed building includes heat recovery and the budget building does not.

This addendum impacts an alternative compliance path and as result is not subject to a cost-effectiveness analysis.

Note: In this addendum, changes to the current standard are indicated in the text by underlining (for additions) and (for deletions) unless the instructions specifically mention some other means of indicating the changes.

Document History

April 8, 2021
Energy Standard for Buildings Except Low-Rise Residential Buildings
A description is not available for this item.
March 31, 2021
Energy Standard for Buildings Except Low-Rise Residential Buildings
FOREWORD When cost-effective, demand control ventilation (DCV) should be required for occupied spaces, considering the required outdoor air for ventilation based on number of people in the space,...
February 26, 2021
Energy Standard for Buildings Except Low-Rise Residential Buildings
A description is not available for this item.
February 26, 2021
Energy Standard for Buildings Except Low-Rise Residential Buildings
A description is not available for this item.
February 26, 2021
Energy Standard for Buildings Except Low-Rise Residential Buildings
A description is not available for this item.
February 26, 2021
Energy Standard for Buildings Except Low-Rise Residential Buildings
A description is not available for this item.
February 26, 2021
Energy Standard for Buildings Except Low-Rise Residential Buildings
A description is not available for this item.
February 26, 2021
Energy Standard for Buildings Except Low-Rise Residential Buildings
A description is not available for this item.
January 21, 2021
Energy Standard for Buildings Except Low-Rise Residential Buildings
A description is not available for this item.
December 30, 2020
Energy Standard for Buildings Except Low-Rise Residential Buildings
A description is not available for this item.
December 30, 2020
Energy Standard for Buildings Except Low-Rise Residential Buildings
A description is not available for this item.
December 30, 2020
Energy Standard for Buildings Except Low-Rise Residential Buildings
A description is not available for this item.
December 21, 2020
Energy Standard for Buildings Except Low-Rise Residential Buildings
A description is not available for this item.
November 4, 2020
Energy Standard for Buildings Except Low-Rise Residential Buildings
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...
October 30, 2020
Energy Standard for Buildings Except Low-Rise Residential Buildings
FOREWORD Addendum a to ASHRAE/IES Standard 90.1-2019 establishes minimum fan efficacy requirements for low-power ventilation fans. Additionally, this addendum establishes Standard 62.2 as the...
October 30, 2020
Energy Standard for Buildings Except Low-Rise Residential Buildings
FOREWORD This addendum proposes a change to Section G3.1.2.10 Exhaust Air Heat Recovery to correct a mistake that was made when ASHRAE 90.1-2013 addendum bm was published. ASHRAE Standard 90.1 does...
October 30, 2020
Energy Standard for Buildings Except Low-Rise Residential Buildings
FOREWORD Section 6.4.3.3 includes an exception for off-hour controls in small units. However, this negates the requirements in Section 6.4.3.3.1 for residential spaces that typically have small HVAC...
October 30, 2020
Energy Standard for Buildings Except Low-Rise Residential Buildings
FOREWORD Section 4.2.1.1 requires calculating the area-weighted average BPF for mixed-use buildings that have several building area types. However, there are several different types of areas defined...
ASHRAE STD 90.1 IP
October 30, 2020
Energy Standard for Buildings Except Low-Rise Residential Buildings
FOREWORD Addendum k adjusts the Section 11 budget building fan power to avoid a fan power credit for cases where the proposed building includes heat recovery and the budget building does not. This...
October 30, 2020
Energy Standard for Buildings Except Low-Rise Residential Buildings
FOREWORD Addendum n adds an exception to the requirements in Section 6.5.2.6 for units that use only series energy recovery for reheating dehumidified air. The rationale for this section is that...
October 30, 2020
Energy Standard for Buildings Except Low-Rise Residential Buildings
FOREWORD Addendum l makes several editorial changes to Appendix G requirements related to the area and orientation of the vertical fenestration in the baseline design. In addition, it describes the...
October 30, 2020
Energy Standard for Buildings Except Low-Rise Residential Buildings
FOREWORD Section 6.4.3.4.1 requires motorized dampers on vents that might be used at the top of elevator shafts and stairwells. This revision clarifies language about vent damper operation and...
October 16, 2020
Energy Standard for Buildings Except Low-Rise Residential Buildings
A description is not available for this item.
July 23, 2020
Energy Standard for Buildings Except Low-Rise Residential Buildings
A description is not available for this item.
June 30, 2020
Energy Standard for Buildings Except Low-Rise Residential Buildings
FOREWORD This addendum makes three changes to Normative Appendix G. a. It ensures that lighting power is determined using the same approach (Building Area Method versus Space-by-Space Method) for...
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