Your LEED certification toolkit and expert forum

LEEDuser helps you successfully complete your LEED project certification with tips, checklists, sample documentation, forums, and more.

Looking for help on a specific LEED credit? Browse for it here, or review all of the credits and prerequisites in these LEED rating systems:

  • LEED-NC: New Construction v2.2,
  • LEED-NC: New Construction v2009,
  • LEED-CS: Core and Shell v2009,
  • LEED-CI: Commercial Interiors v2009,
  • LEED-Schools v2009,
  • LEED-EBOM: Existing Buildings Operation and Maintenance v2009.
  • See all LEED version 4 (LEED v4) rating systems.
  • See all versions of all LEED rating systems.
  • Discussion Forum

    There are discussions happening on pages across this site, right in the thick of our content. If you don't find your topic, you can start your own discussion.

    Title Comments Most Recent Post Location
    Modeling Laboratory Systems
    in NC 2009 EAc1: Optimize Energy Performance
    1,093 Victoria Watson
    Wed, Oct 22, 2014
    Uplight - homemade U0 luminaire
    in NC-v4: Light pollution reduction
    5 Gustavo De las Heras Izquierdo
    Arch. Eng. LEED AP BD+C; O+M
    Revitaliza Consultores
    Wed, Oct 22, 2014
    LEED Online Not Displaying Multiple Credit Assignees
    in Start a New LEED Discussion Topic
    141 Peter Warren
    Principal
    Warren Architecture
    Wed, Oct 22, 2014
    United States
    Project without exterior lighting
    in NC 2009 SSc8: Light Pollution Reduction
    552 María Fernanda Aguirre
    Architect LEED AP BD + C - LEED AP ID + C
    Renato Miranda and Associates
    Wed, Oct 22, 2014
    Chile
    RE: The missing point
    in NC 2009 IEQc7.2: Thermal Comfort—Verification
    99 Angelica Ospina Alvarado
    Wed, Oct 22, 2014
    Colombia
    RE: Gimmick-ish
    in USGBC Rolls Out LEED Dynamic Plaque, Amid Debate
    31 Brian Salazar
    President, LEED AP BD+C
    Entegra Development & Investment, LLC
    Wed, Oct 22, 2014
    United States
    RE: MPR #6
    in PIf1: Minimum Program Requirements
    3 Sadie Martin
    Wed, Oct 22, 2014
    Redoing MRT measurements after preliminary review
    in EBOM 2009 IEQc2.3: Occupant Comfort—Thermal Comfort Monitoring
    26 American University
    Sustainability
    American University
    Wed, Oct 22, 2014
    Commissioning of renewable energy systems
    in NC-2009 EAc3: Enhanced Commissioning
    255 Margaret Manuel
    Tetra Tech
    Wed, Oct 22, 2014
    United States
    BAS - whole building
    in EBOM 2009 EAc3.1: Performance Measurement—Building Automation System
    34 Melissa Schifman
    Principal
    Sustology
    Wed, Oct 22, 2014
    United States
    RE: Collection of regional material information
    in NC 2009 MRc5: Regional Materials
    260 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE ∙ Sustainability ∙ Construction ∙ Specifications
    Wed, Oct 22, 2014
    RE: LEED: Homes eligibility?
    in LEED for Homes (LEED-H) Forum
    133 Maureen Mahle
    Program Manager, LEED for Homes
    Steven Winter Associates, Inc.
    Wed, Oct 22, 2014
    Exception b. of G3.1.1 and setpoint temperature
    in NC 2009 EAp2: Minimum Energy Performance
    2,432 Francesco Passerini
    engineer
    leedme.it
    Wed, Oct 22, 2014
    Sharing credit results
    in Pilot Credit 10: Sustainable Wastewater Management
    55 Gustavo De las Heras Izquierdo
    Arch. Eng. LEED AP BD+C; O+M
    Revitaliza Consultores
    Wed, Oct 22, 2014
    LEED: Homes eligibility?
    in LEED Rating System Selection Q&A
    613 Erica Downs
    Sustainability & LEED Consultant
    Wed, Oct 22, 2014
    Title Comments Most Recent Post Location
    RE: Pre-existing Campus PV Array - Does commissioning apply?
    in NC 2009 EAc2: On-Site Renewable Energy
    200 Heather DeGrella
    Sustainability Coordinator
    Opsis Architecture
    Fri, Sep 19, 2014
    United States
    Refrigerants outside of the building, but still on site
    in EBOM 2009 EAp3: Fundamental Refrigerant Management
    64 Levi Jimenez
    Project Manager
    BuildingWise
    Fri, Sep 19, 2014
    United States
    RE: Common Preferred Parking Signage at Car Park Entrance
    in CS 2009 SSc4.3: Alternative Transportation—Low-Emitting and Fuel-Efficient Vehicles
    84 Ellen Mitchell
    Sustainable Design Manager
    HKS, Inc.
    Fri, Sep 19, 2014
    RE: Initial Questions about LEED O+M
    in PIf3: Occupant and Usage Data
    2 Gerrit-Jan Teunissen
    consultant
    TRAJECT
    Fri, Sep 19, 2014
    NAUF & CARB Formaldehyde Compliant
    in NC 2009 IEQc4.4: Low-Emitting Materials—Composite Wood and Agrifiber Products
    176 Lilian Seow
    LEED Manager
    Vancouver, BC Canada
    Thu, Sep 18, 2014
    Canada
    RE: Eliminating Multiple Responses From One Person - Survey Changes
    in EBOM 2009 SSc4: Alternative Commuting Transportation
    271 Tatjana Ernst
    LEED AP; Dipl.-Ing.
    Thu, Sep 18, 2014
    RE: "Performance Period" duration
    in EBOM-v4: Building-level water metering
    3 OSCAR DE LA RED
    LEED AP BD+C
    PROMEC
    Thu, Sep 18, 2014
    Test Date or Certification Start Date
    in Schools IEQc4.5: Low-Emitting Materials—Furniture and Furnishings
    14 Gabriela G
    Wed, Sep 17, 2014
    Ecological Species Consultation in California Coastal Zone
    in ND Plan-v4: Imperiled species and ecological communities
    1 Robyn Vettraino
    President
    verde
    Tue, Sep 16, 2014
    RE: Commercial Kitchen as Multi-occupant space
    in NC 2009 IEQc6.1: Controllability of Systems—Lighting
    284 Allen Cornett
    Sustainable Consultant
    INSPEC
    Tue, Sep 16, 2014
    RE: Duct Insulation Adhesive
    in CI 2009 IEQc4.1: Low-Emitting Materials—Adhesives and Sealants
    77 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE ∙ Sustainability ∙ Construction ∙ Specifications
    Tue, Sep 16, 2014
    RE: No public water and wastewater infrastructure in the City!!
    in ND-v2009: Smart location
    19 Eliot Allen
    AICP, LEED AP-ND, CNU-A
    Principal, Criterion Planners LEED Faculty, LP TAG
    Tue, Sep 16, 2014
    RE: IEQc5 - Average Pascal Calculation
    in CS 2009 IEQc5: Indoor Chemical and Pollutant Source Control
    86 Elise LaPaglia
    Intern Architect
    HKS, Inc.
    Tue, Sep 16, 2014
    WinAir Software to Meet Requirement
    in NC 2009 IEQc2: Increased Ventilation
    81 Roberto Meza
    Sustainable Building Consultant
    SPHERA Sustainable Building Consultants
    Tue, Sep 16, 2014
    Citibike for non-residential transients?
    in NC v2.2 SSc4.2: Alternative Transportation—Bicycle Storage and Changing Rooms
    59 BKSK Architect
    BKSK Architects
    Mon, Sep 15, 2014
    2 part flushout?
    in CI 2009 IEQc3.2: Construction IAQ Management Plan—Before Occupancy
    64 Susan Di Giulio
    Project Manager
    Zinner Consultants
    Mon, Sep 15, 2014
    RE: Absorptive Materials
    in NC 2009 IEQc3.1: Construction IAQ Management Plan—During Construction
    112 Michelle Halle Stern
    LEED Fellow
    The Green Facilitator
    Mon, Sep 15, 2014
    RE: VOC content Methods
    in CI 2009 IEQc4.2: Low-Emitting Materials—Paints and Coatings
    74 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE ∙ Sustainability ∙ Construction ∙ Specifications
    Mon, Sep 15, 2014
    RE: No car park or external areas
    in EBOM 2009 SSc7.1: Heat Island Reduction—Nonroof
    53 GBC Council CL
    Chile GBC
    Sat, Sep 13, 2014
    Unconditioned Regularly Occupied Fermentation Room in Winery
    in NC 2009 IEQc6.2: Controllability of Systems—Thermal Comfort
    171 Kevin Gilleran
    Fri, Sep 12, 2014
    Title Comments Most Recent Post Location
    Micronesia - by LEEDUser Team
    Thu, Sep 18, 2014
    Nauru - by LEEDUser Team
    Thu, Sep 18, 2014
    New Zealand - by LEEDUser Team
    Thu, Sep 18, 2014
    Palau - by LEEDUser Team
    Thu, Sep 18, 2014
    Papua New Guinea - by LEEDUser Team
    Thu, Sep 18, 2014
    Samoa - by LEEDUser Team
    Thu, Sep 18, 2014
    Solomon Islands - by LEEDUser Team
    Thu, Sep 18, 2014
    Tunisia - by LEEDUser Team
    Thu, Sep 18, 2014
    Uganda - by LEEDUser Team
    Thu, Sep 18, 2014
    Zambia - by LEEDUser Team
    Thu, Sep 18, 2014
    Zimbabwe - by LEEDUser Team
    Thu, Sep 18, 2014
    Australia and Oceania - by LEEDUser Team
    Thu, Sep 18, 2014
    Australia - by LEEDUser Team
    Thu, Sep 18, 2014
    Fiji - by LEEDUser Team
    Thu, Sep 18, 2014
    Kiribati - by LEEDUser Team
    Thu, Sep 18, 2014
    Nigeria - by LEEDUser Team
    Thu, Sep 18, 2014
    Rwanda - by LEEDUser Team
    Thu, Sep 18, 2014
    Sao Tome and Principe - by LEEDUser Team
    Thu, Sep 18, 2014
    Senegal - by LEEDUser Team
    Thu, Sep 18, 2014
    Seychelles - by LEEDUser Team
    Thu, Sep 18, 2014
    Title Comments Most Recent Post Location
    Regarding LEED Project Boundary
    in MPR3: Must use a reasonable site boundary
    1 Shelendra Kumar
    Wed, Sep 3, 2014
    Regional Priority on this credit
    in CI 2009 SSc1: Site Selection
    201 Katie Peterschmidt
    Associate Director, CORE Steward
    Cooper Carry
    Tue, Sep 2, 2014
    New Review Comment
    in CI 2009 IEQc7.1: Thermal Comfort—Design
    48 Aaron Luthien
    Tue, Sep 2, 2014
    RE: IEQp1:Heating mode
    in NC-2009 IEQp1: Minimum IAQ Performance
    799 Andrew Mitchell, P.E.
    Mechanical Engineer / LEED Coordination Manager
    Moses & Associates
    Tue, Sep 2, 2014
    WEc3 denial
    in NC 2009 WEc3: Water Use Reduction
    109 Therese Thompson
    Project Manager
    Cordogan, Clark & Associates
    Tue, Sep 2, 2014
    United States
    RE: IEQp1:Heating mode
    in NC-2009 IEQp1: Minimum IAQ Performance
    799 Andrew Mitchell, P.E.
    Mechanical Engineer / LEED Coordination Manager
    Moses & Associates
    Mon, Sep 1, 2014
    LEED Online Not Displaying Multiple Credit Assignees
    in Start a New LEED Discussion Topic
    141 Peter Warren
    Principal
    Warren Architecture
    Mon, Sep 1, 2014
    United States
    Native species
    in NC 2009 SSc5.1: Site Development—Protect or Restore Habitat
    220 Stella Stella
    Sun, Aug 31, 2014
    LEED Online Not Displaying Multiple Credit Assignees
    in Start a New LEED Discussion Topic
    141 Peter Warren
    Principal
    Warren Architecture
    Sat, Aug 30, 2014
    United States
    Qualification for Credit
    in EBOM 2009 SSc6: Stormwater Quantity Control
    61 Wendy Lao
    LEED Sustainability Intern
    County of Santa Clara
    Fri, Aug 29, 2014
    WEc3 denial
    in NC 2009 WEc3: Water Use Reduction
    109 Therese Thompson
    Project Manager
    Cordogan, Clark & Associates
    Fri, Aug 29, 2014
    United States
    Anticipated Tenant Fit Out
    in PIf3: Occupant and Usage Data
    3 PAULA HERNANDEZ
    MRS.
    INGENIERO MARIO PEDRO HERNANDEZ
    Thu, Aug 28, 2014
    Anticipated Tenant Fit Out
    in CS-2009 IEQp1: Minimum IAQ Performance
    129 PAULA HERNANDEZ
    MRS.
    INGENIERO MARIO PEDRO HERNANDEZ
    Thu, Aug 28, 2014
    Sound Transmission
    in NC-v4: Acoustic performance
    1 Mark Zoeteman
    Sr. Mech Engr
    FTC&H, Inc.
    Thu, Aug 28, 2014
    IEQc7.1 compliance problems
    in NC 2009 IEQc7.1: Thermal Comfort—Design
    194 Vassil Vassilev
    Manager
    Termoservice OOD
    Thu, Aug 28, 2014
    international projects update
    in Homes-v4: Must be in a permanent location on existing land
    1 Pablo Fortunato Suarez
    Principal ESD Consultant/Architect
    GreenArc Sustainable Building & Architecture
    Wed, Aug 27, 2014
    5% path
    in EBOM 2009 SSc5: Site Development—Protect or Restore Open Habitat
    88 Maximiliano Martinez
    Project Manager
    PowerSeal Pipeline Products Corporation
    Wed, Aug 27, 2014
    RE: Switching to LEED V4
    in Got Technical Questions on LEED v4?
    57 Jeslin Varghese
    GBRI
    Wed, Aug 27, 2014
    Parking for Electric Buggies (golf carts)
    in NC 2009 SSc4.4: Alternative Transportation—Parking Capacity
    292 John Covello
    LEED AP BD+C, EBOM, LEED and Sustainability Manager
    Development Management Group
    Wed, Aug 27, 2014
    RE: Zero lot line existing building renovation
    in NC 2009 SSp1: Construction Activity Pollution Prevention
    216 Michael DeVuono
    Senior Staff Designer
    T&M Associates
    Tue, Aug 26, 2014
    Title Comments Post date Most Recent Postsort icon Location
    GC Responsible for Implementing Option B?
    in NC 2009 EAc5: Measurement and Verification
    199 Marcia Weekes
    LEED Coordinator
    Ecostrategic Construction Solutions
    Mon, Sep 22, 2014
    2014-09-22 14:50 United States
    RE: Dear all, On my project, the
    in NC 2009 MRc4: Recycled Content
    479 Michelle Reott
    LEED AP BD+C, ID+C, O+M, Managing Principal
    Earthly Ideas LLC
    Mon, Sep 22, 2014
    2014-09-22 12:59 United States
    Dear all, On my project, the
    in NC 2009 MRc4: Recycled Content
    479 CAROLINE PIN
    In charge of environmental certification on a jobsite
    EIFFAGE CONSTRUCTION
    Mon, Sep 22, 2014
    2014-09-22 12:49 France
    Baseline envelope - Existing Buildings (Retrofit)
    in NC v2.2 EAc1: Optimize Energy Performance
    297 Tiago Silva
    Eng.
    ETRIA
    Mon, Sep 22, 2014
    2014-09-22 12:34 Brazil
    Independent Waste Stream Auditor Needed
    in EBOM 2009 MRc6: Solid Waste Management—Waste Stream Audit
    83 Michelle Bracewell-Musson
    Owner, LEED AP
    Musson General Contracting & Green Expectations Sustainability Solutions
    Mon, Sep 22, 2014
    2014-09-22 12:12 United States
    Athletic Field Definition
    in NC-v4: Outdoor water use reduction
    5 Michelle DiPenti
    Project Coordinator
    HDR, Inc.
    Mon, Sep 22, 2014
    2014-09-22 12:02 United States
    RE: ASHRAE definition of "kitchenette"
    in NC-2009 IEQp1: Minimum IAQ Performance
    799 Hernando Miranda
    Owner
    Soltierra LLC
    Mon, Sep 22, 2014
    2014-09-22 11:50 United States
    How do I know if my project is in a LEED ND community
    in LEED Rating System Selection Q&A
    613 Erika Duran
    Sustainability Consultant
    Dagher Engineering
    Mon, Sep 22, 2014
    2014-09-22 11:40 United States
    No New Wood
    in NC 2009 MRc7: Certified Wood
    394 Omar ElRawy
    Building Engineer, LEED AP BD+C
    EA Building Consultants
    Mon, Sep 22, 2014
    2014-09-22 11:19 Egypt
    Surrounding density and Diverse Uses
    in NC-v4: Surrounding density and diverse uses
    3 Tim Bell
    LEED AP
    AECOM
    Mon, Sep 22, 2014
    2014-09-22 07:11 South Africa
    Public use vs Building occupant use
    in CS 2009 SSc4.4: Alternative Transportation—Parking Capacity
    33 Dina Ammar
    Sat, Sep 20, 2014
    2014-09-20 12:03 Jordan
    changes in appealed credit
    in Review Appeal
    31 Emmanuel Pauwels
    Owner
    Green Living Projects s.l.
    Sat, Sep 20, 2014
    2014-09-20 03:10 Belgium
    RE: Concrete forming and temporary material - recycled content
    in NC 2009 MRc4: Recycled Content
    479 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE ∙ Sustainability ∙ Construction ∙ Specifications
    Fri, Sep 19, 2014
    2014-09-19 23:29 United States
    RE: Recycling Facility Letters of Certification
    in NC 2009 MRc2: Construction Waste Management
    343 Michelle Reott
    LEED AP BD+C, ID+C, O+M, Managing Principal
    Earthly Ideas LLC
    Fri, Sep 19, 2014
    2014-09-19 17:52 Thailand
    Refrigerants outside of the building, but still on site
    in EBOM 2009 EAp3: Fundamental Refrigerant Management
    64 Levi Jimenez
    Project Manager
    BuildingWise
    Fri, Sep 19, 2014
    2014-09-19 17:30 United States
    Pre-existing Campus PV Array - Does commissioning apply?
    in NC 2009 EAc2: On-Site Renewable Energy
    200 Heather DeGrella
    Sustainability Coordinator
    Opsis Architecture
    Fri, Sep 19, 2014
    2014-09-19 16:25 United States
    What is the Air Vapor Barrier?? Roofing Membrane still exempt?
    in NC 2009 IEQc4.1: Low-Emitting Materials—Adhesives and Sealants
    399 Michele Helou
    Principal
    Sage Design & Consulting
    Fri, Sep 19, 2014
    2014-09-19 13:31 United States
    Flush out EQ
    in NC v2.2 EQc3.2: Construction Indoor Air Quality Management Plan—Before Occupancy
    153 George Maragiannis
    Fri, Sep 19, 2014
    2014-09-19 13:05 Greece
    RE: Recycling Facility Letters of Certification
    in NC 2009 MRc2: Construction Waste Management
    343 Michelle Reott
    LEED AP BD+C, ID+C, O+M, Managing Principal
    Earthly Ideas LLC
    Fri, Sep 19, 2014
    2014-09-19 12:46 Thailand
    Occupancy for indoor/outdoor building types
    in PIf3: Occupant and Usage Data
    194 Keelan Kaiser
    Architect and Educator
    Serena Sturm Architects and Judson University
    Fri, Sep 19, 2014
    2014-09-19 11:52 United States

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