Welcome to the 2026 Q1 Quarterly Forum!
We will start the program in a moment.
We’d love to know who is joining us:
MEP2040 Commitment
Please share your name and company in a chat message. Let us know if this is your first time at an MEP2040 Quarterly Forum!
1
2026 Q1
Quarterly Forum
February 12, 2026
2
Welcome and Introduction
1
3
Welcome to the MEP2040 Quarterly Forum
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A movement to
radically reduce
total carbon emissions
from building systems
through collective action.
5
The Growing Significance of Embodied Carbon
Between now and 2060 the world’s population will be doubling the amount of building floor-space, equivalent to building an entire New York City every month for 40 years. Much of the carbon footprint of these new buildings will take the form of embodied carbon — the emissions associated with building material manufacturing and construction.
6
Embodied carbon is an urgent problem
In order to avoid the most catastrophic impacts of climate change, it is essential that we reduce embodied carbon now and develop a pathway to low-carbon construction on every building project. Transforming the building industry cannot wait.
7
CHALLENGE
COLLECTIVE ACTION
COLLECTIVE IMPACT
2025
2040
2021
Dramatically reduce
embodied & operational carbon of MEP systems
Collaborate with manufacturers, owners & industry partners
Achieve whole-life carbon reductions aligned w/ 2040 targets
Life-cycle decarbonization of MEP systems
Signatories, working groups, manufacturers, owners
Whole-life carbon zero by 2040
Who Leads This Work? (Advisory + Steering Committees)
Rob Bolin
CMTA
Kristy Walson
Peter Alspach
Ethan Heil
Julie Janiski
Luke Leung
Andrew Rhodes
Orlin Velinov
BranchPatten
McKinstry
Univ of Virginia Office for Sustainability
Carbon Leadership Forum
Buro Happold
SOM
Amazon
Hilton Hotels
Mike Woolsey
Swegon
Vincent Martinez
Brian Johnson
Ghina Annan
Kayleigh Houde
Rachel Wrublik
Josh Jacobs
Erica Weeks
Architecture 2030
HOK
Stantec
Buro Happold
PAE Consulting Engineers
WAP Sustainability
Paladin
Kristof Irwin
Positive Energy
Jamie Bond
Erin McDade
Nick Pederson
Paul Herron
NextGen Energy
Architecture 2030
Glumac
Sage Craftsmen
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STEERING COMMITTEE
ADVISORY COMMITTEE
CHAIR
VICE CHAIR
CHAIR
VICE CHAIR
Andrew Himes
Who Stands With Us? (Signatories and Supporters)
9
THANK YOU for being part of this work.
109
Signatory MEP firms
78
Supporting organizations
2026 Q1 Forum Agenda
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-FOR PLANNING ONLY—TO BE DELETED-
Target Durations (minutes)
5
60
5
5
5
10
TOTAL: 90 minutes
Manufacturers & Environmental Product Declarations (EPDs)
2
11
Signatory Resources
Signatory Resources
Goals of Manufacturer/EPD Engagement & Advocacy�in 2026�
1
3
2
Track existing EPDs/LCAs/PCFs for MEP equipment
Get MEP EPDs Recognized
Education
There are EPDs in the marketplace!
15
MEP EPDs help in many areas
18
New places EPDs and MEP 2040 help
20
Living Building Challenge Zero Carbon Certification 1.1
22
LEED V5 PILOT CREDIT
23
Wes Sullens
Director, LEED
Materials & Resources
USGBC
Lyndsay Watkins
Senior Associate
Decarbonization
USGBC
LEED v5 Update to Material Selection
24
MRc5 Building Product Selection and Procurement
MRc Environmental Product Declarations
MRc Sourcing of Raw Materials
MRc Material Ingredients
MRc5 Building Product Selection and Procurement
Rewards the selection of eligible interior and enclosure materials from the following product categories:
Points are awarded by specifying and installing products with sustainability attributes across entire product categories
MR Credit:
Building Product Selection & Procurement
Multi- Attribute Score
Human Health
Ecosystem Health
Social Health
& Equity
Circular Economy
Climate Health
USGBC | GBCI
Building Product Selection and Procurement (BPSP)
This is where products primarily contribute to LEED projects
27
Products are given a multi-attribute score based on available sustainability disclosures/certifications up to a max score of 5
All scores in a given product category (ex. insulation, walls, ceilings) are combined according to amount in the building to create a multi-attribute adjusted score
Each category with a multi-attribute adjusted score >100% earns 1 point in the credit, up to a max of 5 points*
*ID+C has a max of 10 points
BPSP: Achievement Levels by Criteria Area
Human Health
Level 1
Level 2
Level 3
Climate Health
Level 1
Level 2
Level 3
Ecosystem Health
Level 1
Level 2
Level 3
Social Health & Equity
Level 1
Level 2
Level 3
Circular Economy
Level 1
Level 2
Level 3
First step: 1X
Leadership: 2X
Elite: 3X
MRc4: Building Product Selection & Procurement
�The multi-attribute scoring system will be updated semi-annually through the LEED addenda process.
BPSP – Product Criteria Scoring
Eligible Product Documentation | Human Health | Climate Health | Ecosystem Health | Social Health & Equity | Circular Economy | LEED Mult-Attribute Score�(max = 5) |
Biobased Content, Non-Wood (½ x verified biobased content %) | - | - | - | - | % | up to 1 |
Cradle to Cradle: Bronze (Version 4.1) | 1 | - | - | 1 | % | 2+ |
Cradle to Cradle: Silver (Version 4.1) | 2 | 1 | 1 | 1 | 1 | 5 |
Cradle to Cradle: Material Health Certificate, Bronze (v4.1) | 1 | - | - | - | - | 1 |
Cradle to Cradle: Material Health Certificate, Silver (v4.1) | 2 | - | - | - | - | 2 |
Declare (v2.0) | 1 | - | - | - | - | 1 |
Declare: Third-party Verified and Red List Free or Red List Approved (v2.0) | 2 | - | - | - | - | 2 |
EPD: Product-Specific Type III | - | 1 | - | - | - | 1 |
EPD: Optimized (>20% reduction in GWP) | - | 2 | 1 | - | - | 3 |
EPD: Optimized (>40% reduction in GWP and >10% reduction in 3 addit. impact categories) | - | 3 | 2 | - | - | 5 |
Global Green TAG: Product Health Declaration | 2 | - | - | - | - | 2 |
Green Seal GS-11 Certified | 2 | - | - | - | - | 2 |
HPD: Pre-Checked for LEED, min 1000ppm | 1 | - | - | - | - | 1 |
… | … | … | … | … | … | … |
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37
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Example Calcs for This Criteria
40
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Manufacturers/EPDs�Interested in joining the Working Group?
Every other Wed from 10am - 11am Eastern�
Our next meeting:
February 18 (10-11am ET)
Use the QR code to submit your interest
or email your interest to the Chair/Vice Chair.
Manufacturer/EPD Engagement and Advocacy
Working Group Interest Form
or visit weblink: https://forms.office.com/r/TjjnMwFwR7
News and Opportunities
3
54
A3 Refrigerant Advocacy
55
Fundraising
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Fundraising Letter?
MEP 2040 Working Groups
Manufacturer / EPD Engagement & Advocacy
Engages manufacturers to expand product transparency and advance EPD availability while advocating for embodied-carbon informed codes, standards, and procurement practices.
Data Analysis & Reporting
Develops and refines methods, tools, and frameworks to measure, analyze, and report embodied and whole-life carbon impacts of MEP systems
Industry Education
Creates and curates educational resources, programming, and guidance to build MEP carbon reduction literacy and capability across practitioners, manufacturers, and partner organizations.
Engagement & Communications
Drives clear, consistent messaging across the MEP2040 network and engages signatories, partners, and the broader industry through outreach, communications, and community-building efforts.
or visit weblink: https://forms.office.com/r/TjjnMwFwR7
CHAIR
Josh Jacobs
VICE CHAIR
Erica Weeks
Learn more about the EPD Working Group
or visit weblink: https://forms.office.com/r/AfhgHgKzWa
CHAIR
Kayleigh Houde
VICE CHAIR
Rachel Wrublik
Learn more about the EPD Working Group
or visit weblink: https://forms.office.com/r/NvjCsU3H3D
CHAIR
Jamie Bond
VICE CHAIR
Nick Pederson
Learn more about the EPD Working Group
or visit weblink: https://forms.office.com/r/niPDtWQByU
CHAIR
Kristof Irwin
VICE CHAIR
Paul Herron
Learn more about the EPD Working Group
Working Group Update:
58
Manufacturer / EPD Engagement & Advocacy
Next Meeting:
Friday, 12/18 8:00 AM PST (10:00 AM EST)
Manufacturer/EPD Engagement & Advocacy��
59
1
1
We’ve updated the EPD Page.
https://www.mep2040.org/manufacturers-epds
Check out how EPDs can help meet building certification compliance or code criteria.
Putting the ‘no EPDs for MEP’ myth to sleep.
We have identified over 100 manufacturers that have EPDs that we will be listing on the MEP 2040 website. We will not become a database, but we will let you know who has got EPDs.
Big Announcements
MEP EPDs updates forLEED v5. (They already count towards EPD criteria in LEED v4 and v4.1)
Living Building Challenge Zero Carbon Cert 1.1 - MEP 2040 firm
2
3
Working Group Update:
60
Data Analysis & Reporting
Next Meeting:
Thursday, March 5th
12:00 PM PST (3:00 PM EST)
Data Analysis & Reporting�Progress�
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Data Analysis & Reporting�Scope�
62
v2 Guide Underway
v1 Pilot - Gap Analysis and Findings
Data Analysis & Reporting�Strategy�
63
The Beginner’s Guide to MEP Embodied Carbon v2
Huge thank you to our 18 contributors!
64
Changes Being Incorporated
Working Group Update:
65
Industry Education
Next Meeting:
Monday, 2/23
11:30 AM PST (2:30 PM EST)
INDUSTRY EDUCATION WORK GROUP
66
FOCUS AREAS | KEY ACTIVITIES | HOW TO ENGAGE | |
1 | Quarterly Forums | Assessed and updating how we deliver and enhance these forums using input from the community | Offer input:
|
2 | Educational Material | Compiled existing materials and building targeted educational content about the MEP 2040 movement and components of the Beginners Guide to Embodied Carbon | Join the effort:
|
3 | Resource Channels | Evaluated main resource channel (MEP 2040 website) and will be introducing community-friendly website updates populated with key MEP resources for learners and practitioners | Contribute content:
|
IEWG Interest Form
INDUSTRY EDUCATION WORK GROUP
Task Leads & Contributors
IEWG Interest Form
Working Group Update:
68
Engagement & Communications
Next Meeting:
Tuesday, 2/17
11:30 AM PST (2:30 PM EST)
Understanding alone does not have impact in the world
Engagement is essential.
Internalize the knowledge.
Turn knowledge into action.
Change the world.
Understanding alone does not have impact in the world
Engagement is essential.
Share you ideas!
Use the QR code to submit your interest
or email your interest to the Chair/Vice Chair.
Engagement and Communications
Working Group Interest Form
MEP 2040 Working Groups
Manufacturer / EPD Engagement & Advocacy
Engages manufacturers to expand product transparency and advance EPD availability while advocating for embodied-carbon informed codes, standards, and procurement practices.
Data Analysis & Reporting
Develops and refines methods, tools, and frameworks to measure, analyze, and report embodied and whole-life carbon impacts of MEP systems
Industry Education
Creates and curates educational resources, programming, and guidance to build MEP carbon reduction literacy and capability across practitioners, manufacturers, and partner organizations.
Engagement & Communications
Drives clear, consistent messaging across the MEP2040 network and engages signatories, partners, and the broader industry through outreach, communications, and community-building efforts.
or visit weblink: https://forms.office.com/r/TjjnMwFwR7
CHAIR
Josh Jacobs
VICE CHAIR
Erica Weeks
Learn more about the EPD Working Group
or visit weblink: https://forms.office.com/r/AfhgHgKzWa
CHAIR
Kayleigh Houde
VICE CHAIR
Rachel Wrublik
Learn more about the EPD Working Group
or visit weblink: https://forms.office.com/r/NvjCsU3H3D
CHAIR
Jamie Bond
VICE CHAIR
Nick Pederson
Learn more about the EPD Working Group
or visit weblink: https://forms.office.com/r/niPDtWQByU
CHAIR
Kristof Irwin
VICE CHAIR
Paul Herron
Learn more about the EPD Working Group
MEP2040 Resources ����
4
72
Follow us on LinkedIn
73
MEP2040 Resources
74
Spec Language Templates
https://www.mep2040.org/manufacturers-epds
Refrigerant Impact Calculator
https://www.mep2040.org/data-analysis-and-reporting
Refrigerant and EPD template letters for manufacturers
https://www.mep2040.org/calls-to-action-templates
The Beginner’s Guide to MEP Embodied Carbon
Specify Low-GWP Refrigerants
75
Request EPDs
76
Join us at Quarterly Forums
77
Be a Part of the Community
78
Key Action Items���
5
79
Financial Support
80
If each Signatory Firm and Supporting Organization contributes $1,000, we can ensure the continued operation of MEP2040.
Want to get Active?
Join a working groups using the interest form below.
81
Manufacturer/EPD Advocacy
(EPD) Working Group
or visit weblink: https://forms.office.com/r/TjjnMwFwR7
Engagement & Communications
(E&C) Working Group
or visit weblink: https://forms.office.com/r/niPDtWQByU
Data Analysis and Reporting
(DAR) Working Group
or visit weblink: https://forms.office.com/r/AfhgHgKzWa
Industry Education
(IE) Working Group
or visit weblink: https://forms.office.com/r/NvjCsU3H3D
DAR
IE
E&C
EPD
Q&A / Discussion ����
6
82
Questions / Discussions
83
SIGNATORIES
SUPPORTERS
2026 Q2 Quarterly Forum
Coming soon….
THEME: MEP Whole Life Carbon Pilot Findings
May 14, 2026
84
85
END
86
Thank You to our Signatories
87
108
Signatory MEP firms
Replaced
Thank You to Our Supporters
88
74
Supporting organizations
Replaced
89
Advisory Committee
Replaced by combined slide 6
90
Steering Committee
Replaced by combined slide 6
91
Our Vision
We envision a future in which meaningful whole building, whole life carbon studies, inclusive of MEP, are completed in typical construction projects. These studies will lead to understanding trade-offs between passive and active systems and action to reduce whole-life carbon.
Replaced
92
Our Mission
MEP 2040 is a movement to radically reduce total carbon emissions associated with building systems through collective action.
Replaced
MEP2040 Working Groups
93
Data Analysis & Reporting
Kayleigh Houde Chair
Rachel Wrublik Vice Chair
Industry Education
Jamie Bond Chair
Nick Pedersen Vice Chair
Engagement & Communications
Kristof Irwin Chair
Paul Herron Vice Chair
Manufacturer/EPD Engagement & Advocacy
Josh Jacobs Chair
Erica Weeks Vice Chair
Replaced
Complete Working Group Interest Form to Learn More
94
Manufacturer/EPD Advocacy
(EPD) Working Group
or visit weblink: https://forms.office.com/r/TjjnMwFwR7
Engagement & Communications
(E&C) Working Group
or visit weblink: https://forms.office.com/r/niPDtWQByU
Data Analysis and Reporting
(DAR) Working Group
or visit weblink: https://forms.office.com/r/AfhgHgKzWa
Industry Education
(IE) Working Group
or visit weblink: https://forms.office.com/r/NvjCsU3H3D
EPD
IE
E&C
DAR
Replaced
95
2024 Forum Topics
March, Q1: ASHRAE Decarb, OneClick LCA and USGBC Research Panel
June, Q2: In Person, ASHRAE Summer Meeting (“Specifying, Procuring and Meeting Embodied Carbon MEP Requirements”)
October, Q3: Company Plans
January (oops) February, Q4: 2024 Year in Review
Use the Chat to give us your ideas for 2025 Forum Topics
96
MEP2040 “On the Podium” in 2024
2024 ASHRAE Winter Conference - ECHO Update
2024 ASHRAE Annual Conference - Specifying, Procuring and Meeting Embodied Carbon MEP Requirements
2024 ASHRAE Decarbonization Conference: Decarbonizing Existing Tall Buildings - MEP 2040 Embodied Impacts While Minimizing Operational Impacts
2024 Greenbuild Conference - MEP 2040: Embodying Whole-Life Carbon
97
What MEP2040 Plans to Achieve in 2025
MEP Embodied Carbon Guidance
Support the publication and implementation of MEP 2040’s “Beginner’s Guide to MEP Embodied Carbon” and Case Studies (Publication date: Q1 2025)
Tool Integration
Integrate MEP whole-life carbon data schemas and methodologies into design and analysis tools
Benchmarking
Launch the MEP 2040 Whole Life Carbon Benchmarking Project
98
What MEP2040 Plans to Achieve in 2025
Partnerships
99
100
2030, Inc. / Architecture 2030
MEP 2040 will now operate under the fiscal sponsorship of 2030, Inc. / Architecture 2030
101
Opportunities This Creates
102
Support
MEP 2040
MEP 2040 now operates under the fiscal sponsorship of 2030, Inc. / Architecture 2030.
Donations for MEP 2040 will be processed as tax deductible through 2030, Inc. / Architecture 2030 as the registered 501(c)(3).
The MEP 2040 Advisory Committee works with Architecture 2030 staff to direct funds towards efforts to support the MEP 2040 effort.
Donate here!
mep2040.org/donate
ECHO Project Update
103
104
UPDATES: Publication Sept & Oct 2024
105
UPDATES
New Co-Conveners:
First half of 2025
106
UPDATES
New Co-Conveners:
Second half of 2025 (unless first half objectives are not yet complete and get pushed)
The Beginner’s Guide to MEP Embodied Carbon
107
108
Carbon Leadership Forum: Guide
MEP Whole Life Carbon
Pilot
124
Audience Q&A
128
129
Data, Analysis and Reporting
130
SIGNATORIES
SUPPORTERS
Manufacturers + EPDs
131
132
133
Communications
134
Partnerships
Audience Q&A
135
What You Have Created
136
107
Signatory MEP firms
150+
Active working group members
14
Quarterly forums starting in 2022
71
Supporting organizations
The MEP 2040 Commitment
137
Establish a company plan
Request low-GWP refrigerants
Request EPDs
Participate in Forums
May not need.
(can go here or before previous if kept)
138
May not need.
(AC/SC already introduced; additional details shown not needed)
Working Group 1: �Manufacturer/EPD Engagement �& Advocacy ���
139
Manufacturers/EPDs�Interested in joining the Working Group?
Every other Friday from 10am - 11am Eastern�
140
Our next meeting:
December 12, 2025 (10-11P ET)
Use the QR code to submit your interest
or email your interest to the Chair/Vice Chair.
Manufacturer/EPD Engagement and Advocacy
Working Group Interest Form
or visit weblink: https://forms.office.com/r/TjjnMwFwR7
May not need.
information provided on a previous slide
Working Group 2: �Engagement & Communications���
141
Engagement & Communications (EC)
142
What we’re doing is far larger than reducing carbon emissions
We are working on “the ultimate project”
MEP2040 is part of what is arguably the most significant issue facing human society.
Removal Recommended
information communicated during welcome
143
Later is too late
To protect the people and places you love
Removal Recommended
information communicated during welcome
144
Excerpted from the Beginner's Guide to MEP Embodied Carbon. Results based on case study from Wymer Hall at University of Illinois Urbana Champaign.
MEP systems account for nearly 80% of whole building whole life carbon.
Replace with WG update (if applicable)
Engagement & Communications�Interested in joining the Working Group?�
145
PAUL HERRON
Vice Chair
paul
@sagecraftsmen.com
KRISTOF IRWIN
Chair
kristof
@positiveenergy.pro
Our next meeting:
December 16, 2025 (2:30-3:15P ET)
Get involved, join us!
Use the QR code to submit your interest
or email your interest to the Chair/Vice Chair.
Engagement and Communications
Working Group Interest Form
or visit weblink: https://forms.office.com/r/niPDtWQByU
May not need.
information provided on a previous slide
Working Group 3: �Industry Education���
146
Industry Education (IE)�Scope, Progress, Strategy�
147
1
3
2
Scope
Progress
Strategy
TOOLS: Repository of practitioner tools and industry resources
CONTENT: Educational collateral and “roadshow” materials
CHANNELS: Quarterly Forum and newsletter planning
IMPACT: Whole life carbon integration (industry standards and policies)
1. Mobilized newly established IE working group
2. Aligned on scope and cross-WG coordination
3. Established 2025-2026 workplan with workstream leads and milestone targets
4. Identified priority industry education and collateral needs
1. Formalize and operationalize input and planning processes
2. Establish framework for identifying IE needs and gaps
3. Inventory and assess existing tools and resources
4. Develop new educational content to address initial gaps
5. Establish feedback mechanisms
Replace with WG update (if applicable)
Industry Education (IE)�Interested in joining the Working Group?
148
NICK PEDERSEN
Vice Chair
npedersen
@glumac.com
JAMIE BOND
Chair
jamie.bond
@navigating-grey.com
Use the QR code to submit your interest
or email your interest to the Chair/Vice Chair.
Industry Education
Working Group Interest Form
or visit weblink: https://forms.office.com/r/NvjCsU3H3D
Our next meeting:
December 15, 2025 (230-330P ET)
May not need.
information provided on a previous slide
INDUSTRY EDUCATION WORK GROUP
10/6/2025
149
FOCUS AREAS | MAJOR TASKS | DELIVERABLES | |
1 | Lead Curation of Quarterly Forums | a) Standard Forum Planning Process |
|
b) Pilot Standard Process |
| ||
c) Update/Validate/Finalize Process |
| ||
2 | Develop MEP 2040 Roadshow and Educational Materials | a) Education Needs Assessment |
|
b) Materials Repository Development |
| ||
c) Content Development |
| ||
3 | Establish and Maintain Channel for MEP Resources | a) Resource Channel Improvement |
|
b) Resource Channel Maintenance |
| ||
Working Group 4: �Data Analysis & Reporting��
150
Data Analysis & Reporting (DAR)�Interested in joining the Working Group?�
151
RACHEL WRUBLIK
Vice Chair
rachel.wrublik
@pae-engineers.com
KAYLEIGH HOUDE
Chair
kayleigh.houde
@burohappold.com
Our next meeting:
October 2nd, 2025 (2-3P ET)
Use the QR code to submit your interest
or email your interest to the Chair/Vice Chair.
Data Analysis and Reporting
Working Group Interest Form
or visit weblink: https://forms.office.com/r/AfhgHgKzWa
May not need.
information provided on a previous slide
Company Plan Updates
153
*
*
*
PANEL DISCUSSION: �Decarbonization Plan Insights, Benefits and Challenges
Mark Brune
PAE
Jaclyn Lee
HOK
Nicole Isle
Glumac
GHINA ANNAN
MEP2040 Moderator
Hold For
Photo
Hold For
Photo
Hold For
Photo
GUEST PANNEL
P A E M E P 2 0 4 0
Climate Action Plan
MEP 2040
PAE- ENGINEERS.COM
156
MEP 2040
Challenge and Commitment
The MEP 2040 Challenge was issued in the fall of 2021 by the Carbon Leadership Forum. The challenge calls on “all systems engineers to advocate for and achieve net zero carbon in their projects, operational carbon by 2030 and embodied carbon by 2040.” This challenge is analogous to Architecture 2030 and SE 2050. It recognizes that there is an urgent need to better understand and holistically track the emissions footprint of the MEPTL materials and select ones with reduced, net zero, or regenerative emissions.
In response, a group of engineers collectively established the MEP 2040 Commitment with an open invitation for MEP firms to join the commitment. The hope is that the movement will radically reduce total carbon emissions associated with building systems through collective action. This movement has grown quickly with 90 signatories as of summer of 2024. PAE was an early signatory in December of 2021.
THE COMMITMENT INCLUDES THE FOLLOWING BASIC TENETS :
Establish a company plan to reduce operational and embodied carbon across MEP systems.
Request low-GWP refrigerants.
Request Environmental Product Declarations (EPDs).
Participate in MEP 2040 forums and discussion groups.
A
W
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R
L
D
W
I
T
H
C
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A
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A
I
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,
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N
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R
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,
A
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P AE M EP 2 0 4 0 C OM P ANY P L AN
PAE’s vision is a world with clean air, energy, and water for all. Meeting the MEP 2040 Challenge is in clear alignment with PAE’s vision, and we are excited to formally put forth a MEP 2040 company plan.
MEP2040
MEP 2040 Goals
PAE- ENGINEERS.COM
157
MEP2040
MEP 2040
THE FOLLOWING COMPONENTS HAVE OR WILL BE IMPLEMENTED :
Participate in MEP 2040 Forums
PAE is committed to sharing our knowledge and values. A participant in quarterly MEP 2040 forums since 2022, PAE will continue to send delegates to these online forums.
Contribute to MEP 2040 Working Groups
PAE is committed to collaborating within the MEP 2040 Working Groups to advance the industry toward net zero carbon emissions.
— We are a current participant in the Data, Analysis, and Reporting (DAR) Working Group. The DAR group meets regularly to tackle a variety of topics including refrigerants, new standards, and embodied carbon of MEP systems.
— PAE will continue to look for new opportunities to contribute to industry knowledge and progress though MEP 2040 working groups.
Targeting Net Zero Operational Emissions
We will use the national definition of a Zero Emissions Building as the target for Net Zero Operational Carbon Emissions. The definition is: “a building that is highly energy efficient, does not emit greenhouse gases directly from energy use, and is powered solely by clean energy.” To meet this standard, new buildings must achieve an Energy Star rating of 90 or greater, and existing buildings must achieve a score of 75 or greater.
While Operational Net Zero Emissions is a result of a building’s systems, achieving this target is an integrated problem requiring the participation of the building owner, other design team members, local utilities, and engineers. PAE will continue to champion net zero operational carbon by showing our clients viable paths to achieve this and working to inspire them to reach these goals.0
To meet the requirements of the MEP 2040 challenge PAE will:
PAE- ENGINEERS.COM
158
Targeting Net Zero Embodied Carbon
Like operational emissions, embodied carbon emissions is an integrated problem that involves all construction divisions and building stakeholders. It requires addressing emissions at all lifecycle stages including material sourcing, manufacturing, maintenance, and end-of-life.
Much of the embodied emissions focus has been on emissions from the building structure and façade.
However, the industry is transitioning to a more holistic analysis that includes impacts from interiors, MEP systems, and the building site.
Initial evaluations of MEP systems are highlighting that MEP impacts are more significant than initially anticipated. Many MEP components are made from high impact materials and have relatively short lifespans resulting in multiple replacements over the life of the building. Additionally, refrigerant leakage from MEP components can be a major driver of a building’s emissions over time.
To meet the requirements of the 2040 MEP challenge, all of PAE’s projects must target net zero embodied emissions by 2040.
PAE WILL IMPLEMENT THE FOLLOWING KEY COMPONENTS AS PART OF THIS EFFORT:
EDUCATION AND WORKFLOW INTEGRATION
Holistic carbon analysis is a new field and the analysis of embodied carbon of MEP systems is in its infancy. We intend to accelerate the understanding of whole-life carbon decision
making through internal education sessions about MEP 2040 and strategies to incorporate whole-life carbon considerations into our workflow.
REQUEST ENVIRONMENTAL PRODUCT DECLARATIONS (EPDs)
EPDs provide critical information to understand the whole-life carbon impact of our design decisions. PAE has already begun requesting EPDs for select projects. Moving forward, PAE will:
REQUEST LOW GWP REFRIGERANTS
PAE has been an advocate for low-GWP refrigerants. We educate our clients about the leakage risks associated with installing distributed refrigerant piping and work
to minimize this on our projects. We are committed to continuing this effort as lower GWP refrigerants become available.
REPORTING
PAE will is working to quantify the carbon emissions and emissions savings from our projects due to our work. We will:
PAE Living Building
PAE- ENGINEERS.COM
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MEP 2040
The PAE Living Building, completed in September 2021, is a 58,000 sqft, 5-story office building in Portland, Oregon. The PAE Living Building meets both the operating and embodied emissions targets of the MEP 2040 Challenge nineteen years ahead of schedule. The building itself has an Energy Star score of 98 and generates 100% of its energy from a 133 kW on-site PV array and 215 kW off-site PV array located on an affordable housing building within the same community. The PAE Living Building purchases green power from the local grid at times when it’s instantaneous power demand is not met by the on-site resources.
LOCATION : Portland, OR
SIZE : 58,000 sqft
EUI : ~16.5 kBTU/sqft/yr
ON - SITE SOLAR PV : 133kW
OFFSITE SOLAR PV : 215kW
GRID - INTERACTI V E : Yes
EMBODIED CARBON : 2,100 tCO2e
Optimized envelope and natural ventilation strategies to limit the size of mechanical systems
Strategically limited ductwork to the core of the building
Minimized refrigerant piping, mostly limited to main building chases
Utilized brazed fittings to reduce refrigerant leakage
The PAE Living Building includes a microgrid system and is enrolled in the local utility’s demand response program. The efficiency of the building’s systems and the ability to modify load in support of the local utility’s need makes this an example of a Grid-Interactive Efficient Building and a model for other buildings striving for resource efficiency and grid-optimized design.
EMISSIONS CRADLE THROUGH CONSTRUCTION
MEP2040
Several structural systems were considered for the building. Ultimately, a wood structure was selected as it reduced the carbon footprint and dramatically improved the biophilic nature of the space. Further carbon offsets were purchased to balance the building’s upfront embodied carbon. The embodied carbon of the MEP systems was estimated but not calculated in detail. This is an identified gap in 2040 reporting. While tools were not in place to fully estimated the MEP embodied carbon of the building at the time, several strategies were used to minimize embodied emissions over the life of the building including:
PANEL DISCUSSION: �Decarbonization Plan Insights, Benefits and Challenges
Mark Brune
PAE
Jaclyn Lee
HOK
Nicole Isle
Glumac
GHINA ANNAN
MEP2040 Moderator
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