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
    RE: Not enough space on MRc4 Form
    in NC v2.2 MRc4: Recycled Content
    157 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE ∙ Sustainability ∙ Construction ∙ Specifications
    Fri, Oct 24, 2014
    RE: Actual Material Cost vs. Material Cost: what's the difference?
    in NC 2009 MRc4: Recycled Content
    480 Michelle Reott
    LEED AP BD+C, ID+C, O+M, Managing Principal
    Earthly Ideas LLC
    Fri, Oct 24, 2014
    RE: Building Components
    in NC 2009 MRc2: Construction Waste Management
    344 Michelle Reott
    LEED AP BD+C, ID+C, O+M, Managing Principal
    Earthly Ideas LLC
    Fri, Oct 24, 2014
    Commercial Kitchens
    in NC-2009 IEQp1: Minimum IAQ Performance
    802 Lawrence Lile
    Chief Engineer
    Lile Engineering LLC
    Fri, Oct 24, 2014
    RE: Road runs through site
    in NC 2009 SSc8: Light Pollution Reduction
    555 Bill Swanson
    PE, LEED AP
    Integrated Architecture
    Fri, Oct 24, 2014
    RE: Commissioning of renewable energy systems
    in NC-2009 EAc3: Enhanced Commissioning
    258 Susan Walter
    Sr Project Architect
    Wilmot/Sanz
    Fri, Oct 24, 2014
    RE: Energy saving in the hot water system with low flow fixture
    in CS 2009 EAp2: Minimum Energy Performance
    860 Marcus Sheffer
    LEED Fellow
    7group
    Fri, Oct 24, 2014
    RE: Green Associate vs. AP exam materials
    in LEED AP EB O+M Exam
    5 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Fri, Oct 24, 2014
    RE: Keeping them up to date
    in China
    5 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Fri, Oct 24, 2014
    China
    Ice-cream factory with sub-zero working conditions
    in NC 2009 IEQc7.1: Thermal Comfort—Design
    195 André Harms
    Ecolution Consulting
    Fri, Oct 24, 2014
    South Africa
    RE: Selection of HVAC Baseline System
    in NC 2009 EAp2: Minimum Energy Performance
    2,439 Francesco Passerini
    engineer
    leedme.it
    Fri, Oct 24, 2014
    RE: LEED v4 rating systems being translated to Spanish
    in Latin America and the Caribbean
    9 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Fri, Oct 24, 2014
    RE: Stair nosing
    in NC 2009 IEQc4.3: Low-Emitting Materials—Flooring Systems
    321 Yuko Murata
    Architect, LEED AP BD+C
    Nikken Sekkei
    Thu, Oct 23, 2014
    Is there a occupancy % under 100% that is still considered 100%?
    in PIf3: Occupant and Usage Data
    3 Blair Seibert
    Principal, Architect
    Verde Concepts, Inc.
    Thu, Oct 23, 2014
    United States
    RE: LEED: Homes eligibility?
    in LEED for Homes (LEED-H) Forum
    135 Erica Downs
    Sustainability & LEED Consultant
    Thu, Oct 23, 2014
    United States
    Title Comments Most Recent Post Location
    RE: Simulate Spatial Daylight Autonomy and Annual Sunlight Exposure
    in NC-v4: Daylight
    17 Kjell Anderson
    Tue, Oct 7, 2014
    Credits from other Rating Systems
    in NC-v4: Innovation
    6 Meredith Elbaum
    The Elbaum Group
    Tue, Oct 7, 2014
    RE: Bio-based products / USDA BioPreferred designation
    in EBOM-v4: Solid waste management - ongoing
    4 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Oct 7, 2014
    Roof Area Clarification
    in CS 2009 SSc7.2: Heat Island Effect—Roof
    96 Maggie Hogan Skaug
    Tue, Oct 7, 2014
    United States
    RE: VOC Compliant Chemicals - IEQ3.3
    in EBOM 2009 IEQc3.3: Green Cleaning—Purchase of Sustainable Cleaning Products and Materials
    133 Garrett Gerst
    Sr Marketing Manager
    Unisource Worldwide
    Tue, Oct 7, 2014
    RE: Different HVAC system in baseline than proposed design- C&S
    in CS 2009 EAc1: Optimize Energy Performance
    254 Marcus Sheffer
    LEED Fellow
    7group
    Tue, Oct 7, 2014
    RE: Achievable or not
    in Healthcare-v2009: Community contaminant prevention - airborne releases
    14 Mara Baum
    Healthcare Sustainable Design Leader, LEED Fellow
    HOK
    Tue, Oct 7, 2014
    RE: Required Manufacturer Documentation for Option 3
    in NC-v4: Building product disclosure and optimization - material ingredients
    8 Nadav Malin
    USGBC LEED Faculty, President
    BuildingGreen, Inc.
    Tue, Oct 7, 2014
    RE: LEED for Healthcare - EAc7 -
    in Pilot Credit 66: Community Contaminant Prevention—Airborne Releases
    10 Nadav Malin
    USGBC LEED Faculty, President
    BuildingGreen, Inc.
    Tue, Oct 7, 2014
    RE: Confused about Perf periods and 2-yr contract for offsite REC's
    in EBOM 2009 EAc4: On-Site and Off-Site Renewable Energy
    93 Kathryn West
    LEED AP BD+C, O+M, Green Globes Professional, Guiding Principles Compliance Professional
    Energy Ace
    Tue, Oct 7, 2014
    CS project without bathrooms and elegible fixtures
    in CS 2009 WEp1: Water Use Reduction—20% Reduction
    188 Maria Isabel Conde
    Owner
    Aqua Terra (Panama) S.A.
    Mon, Oct 6, 2014
    Panama
    RE: 0.2 FC at LEED Site Boundary if adjacent to Ambulance Drop-off?
    in Healthcare-v2009: Light pollution reduction
    15 Bill Swanson
    PE, LEED AP
    Integrated Architecture
    Mon, Oct 6, 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
    Mon, Oct 6, 2014
    RE: Multi-Purpose Latex Primer/Sealer
    in Schools IEQc4.2: Low-Emitting Materials—Paints and Coatings
    80 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE ∙ Sustainability ∙ Construction ∙ Specifications
    Sun, Oct 5, 2014
    RE: MRc4 Recycled content
    in CI 2009 MRc4: Recycled Content
    155 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE ∙ Sustainability ∙ Construction ∙ Specifications
    Sat, Oct 4, 2014
    RE: Good news from GBCI!
    in Healthcare-v2009: Sustainably sourced materials and products
    62 Susan Walter
    Sr Project Architect
    Wilmot/Sanz
    Fri, Oct 3, 2014
    RE: MOB - Recycling Calculations
    in Healthcare-v2009: Storage and collection of recyclables
    12 Susan Walter
    Sr Project Architect
    Wilmot/Sanz
    Fri, Oct 3, 2014
    RE: Adhesive- expansion joints
    in Schools IEQc4.1: Low-Emitting Materials—Adhesives and Sealants
    33 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE ∙ Sustainability ∙ Construction ∙ Specifications
    Fri, Oct 3, 2014
    RE: minimum vegetation area
    in CS 2009 WEc1: Water Efficient Landscaping
    59 Agata Mozer
    GO4IT SP Z OO SP K
    Fri, Oct 3, 2014
    RE: WaterSense Labeled Products
    in NC-v4: Indoor water use reduction
    6 Emerson Skufca
    Thu, Oct 2, 2014
    Title Comments Most Recent Post Location
    Qatar - by LEEDUser Team
    Thu, Sep 18, 2014
    Oman - by LEEDUser Team
    Thu, Sep 18, 2014
    Lebanon - by LEEDUser Team
    Thu, Sep 18, 2014
    Kuwait - by LEEDUser Team
    Thu, Sep 18, 2014
    Trinidad and Tobago - by LEEDUser Team
    Thu, Sep 18, 2014
    Saint Vincent and the Grenadines - by LEEDUser Team
    Thu, Sep 18, 2014
    Saint Lucia - by LEEDUser Team
    Thu, Sep 18, 2014
    Saint Kitts and Nevis - by LEEDUser Team
    Thu, Sep 18, 2014
    Panama - by LEEDUser Team
    Thu, Sep 18, 2014
    Nicaragua - by LEEDUser Team
    Thu, Sep 18, 2014
    Middle East - by LEEDUser Team
    Thu, Sep 18, 2014
    Jordan - by LEEDUser Team
    Thu, Sep 18, 2014
    Israel - by LEEDUser Team
    Thu, Sep 18, 2014
    Iraq - by LEEDUser Team
    Thu, Sep 18, 2014
    Iran - by LEEDUser Team
    Thu, Sep 18, 2014
    Egypt - by LEEDUser Team
    Thu, Sep 18, 2014
    Bahrain - by LEEDUser Team
    Thu, Sep 18, 2014
    Mexico - by LEEDUser Team
    Thu, Sep 18, 2014
    Jamaica - by LEEDUser Team
    Thu, Sep 18, 2014
    Honduras - by LEEDUser Team
    Thu, Sep 18, 2014
    Title Comments Most Recent Post Location
    Athletic Field Definition
    in NC-v4: Outdoor water use reduction
    5 Michelle DiPenti
    Project Coordinator
    HDR, Inc.
    Mon, Sep 22, 2014
    United States
    LEED: Homes eligibility?
    in LEED Rating System Selection Q&A
    613 Erica Downs
    Sustainability & LEED Consultant
    Mon, Sep 22, 2014
    Combined Density
    in NC-v4: Surrounding density and diverse uses
    3 Charalampos Giannikopoulos
    Mon, Sep 22, 2014
    Public use vs Building occupant use
    in CS 2009 SSc4.4: Alternative Transportation—Parking Capacity
    33 Dina Ammar
    Sat, Sep 20, 2014
    Jordan
    changes in appealed credit
    in Review Appeal
    31 Emmanuel Pauwels
    Owner
    Green Living Projects s.l.
    Sat, Sep 20, 2014
    Belgium
    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
    Owned or leased?
    in PIf3: Occupant and Usage Data
    194 Gustavo De las Heras Izquierdo
    Arch. Eng. LEED AP BD+C; O+M
    Revitaliza Consultores
    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
    Pressure flow rates
    in EBOM-v4: Indoor water use reduction
    12 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
    RE: Pot washing sink
    in NC 2009 WEp1: Water Use Reduction—20% Reduction
    602 Michelle Rosenberger
    Partner
    ArchEcology, LLC
    Wed, Sep 17, 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, 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: 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
    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
    RE: LEED Volume Program - Submittal Guidance
    in Forum for LEED Volume Program Certification
    10 Ashley Catlett
    USGBC/GBCI
    Mon, Sep 15, 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: Process energy cost
    in NC-v4: Minimum energy performance
    15 Francesco Passerini
    engineer
    leedme.it
    Mon, Sep 15, 2014
    LEED lease agreement for CS
    in CS 2009 IEQc2: Increased Ventlilation
    8 Alfonzo Collins
    Sun, Sep 14, 2014
    United States
    Title Comments Post date Most Recent Post Location
    Different HVAC system in baseline than proposed design- C&S
    in CS 2009 EAc1: Optimize Energy Performance
    254 Ronald Dean
    Sumac Inc.
    Tue, Oct 7, 2014
    2014-10-07 10:53 Colombia
    VOC Compliant Chemicals - IEQ3.3
    in EBOM 2009 IEQc3.3: Green Cleaning—Purchase of Sustainable Cleaning Products and Materials
    133 Jessica Wasmuth
    EMS, Inc.
    Tue, Oct 7, 2014
    2014-10-07 10:48 United States
    Attachments for the Resubmission
    in LEED Reviews: LEED Online, Appeals, Design/Construction Submittals, and more
    604 kelly ryan
    Tue, Oct 7, 2014
    2014-10-07 09:36 United States
    Modeling pump, fan, COP
    in CS 2009 EAp2: Minimum Energy Performance
    860 Hieu Huynh
    Environmental Engineer
    Mon, Oct 6, 2014
    2014-10-06 23:20 Vietnam
    This credit omitted from v4?
    in Healthcare-v2009: Community contaminant prevention - airborne releases
    14 Nadav Malin
    USGBC LEED Faculty, President
    BuildingGreen, Inc.
    Mon, Oct 6, 2014
    2014-10-06 20:54 United States
    Dining Halls
    in NC 2009 EAc4: Enhanced Refrigerant Management
    105 Laura Charlier
    LEED Services Director
    Group14 Engineering
    Mon, Oct 6, 2014
    2014-10-06 15:35 United States
    CS project without bathrooms and elegible fixtures
    in CS 2009 WEp1: Water Use Reduction—20% Reduction
    188 Maria Isabel Conde
    Owner
    Aqua Terra (Panama) S.A.
    Mon, Oct 6, 2014
    2014-10-06 13:49 Panama
    Bio-based products / USDA BioPreferred designation
    in EBOM-v4: Solid waste management - ongoing
    4 Sarah Martinez
    Sustainability Maven
    Eco-Products
    Mon, Oct 6, 2014
    2014-10-06 13:46 United States
    Campus Site Lignting Calcs - again, sorry
    in CS 2009 EAp2: Minimum Energy Performance
    860 charles bell
    principal
    theGreenTeam, Inc.
    Mon, Oct 6, 2014
    2014-10-06 13:21 United States
    Addition added after documentation has been submitted
    in MPR2: Must be a complete, permanent building or space
    120 Angela Bickford
    LEED AP BD+C, Mechanical Project Engineer
    Allen & Shariff Engineering
    Mon, Oct 6, 2014
    2014-10-06 13:08 United States
    Contract between owner and CxA
    in NC-2009 EAc3: Enhanced Commissioning
    258 Gina Dederer
    URS Deutschland GmbH
    Mon, Oct 6, 2014
    2014-10-06 05:24 Germany
    MRc4 Recycled content
    in CI 2009 MRc4: Recycled Content
    155 Lorissa Kimm
    Owner
    Lorissa Kimm Architect
    Fri, Oct 3, 2014
    2014-10-03 17:37 United States
    Open Space Accessibility
    in NC 2009 SSc5.2: Site Development—Maximize Open Space
    169 Ilana Judah
    Director of Sustainability
    FXFOWLE
    Fri, Oct 3, 2014
    2014-10-03 17:23 United States
    MOB - Recycling Calculations
    in Healthcare-v2009: Storage and collection of recyclables
    12 Lauren Bellamy
    Fri, Oct 3, 2014
    2014-10-03 14:24 United States
    Master Site Registration
    in Understanding the Cost of LEED-NC Project Certification
    74 Lilian Martins
    Sustainability Consultant, BArch, MSc
    MLM Consulting Engineers
    Fri, Oct 3, 2014
    2014-10-03 05:37 Brazil
    Exterior Lighting- Roof
    in NC 2009 SSc8: Light Pollution Reduction
    555 EBRU UNVER
    LEED AP BD+C
    Fri, Oct 3, 2014
    2014-10-03 02:54 Turkey
    0.2 FC at LEED Site Boundary if adjacent to Ambulance Drop-off?
    in Healthcare-v2009: Light pollution reduction
    15 Joyce Kelly
    Consultant
    Architectural Fusion
    Thu, Oct 2, 2014
    2014-10-02 17:28 United States
    Number of bus stops and bus lines required
    in NC 2009 SSc4.1: Alternative Transportation—Public Transportation Access
    205 Sarah Lavalliere
    Thu, Oct 2, 2014
    2014-10-02 15:57 Canada
    Natural ventilation
    in NC-2009 IEQp1: Minimum IAQ Performance
    802 Gaston Michaud
    Mechanical Engineer
    CTS
    Thu, Oct 2, 2014
    2014-10-02 14:44 Panama
    Non regulated items (residential light & receptacle loads)
    in NC 2009 EAp2: Minimum Energy Performance
    2,439 Marian Keeler
    Senior Associate
    Thornton Tomasetti / Sustainability
    Thu, Oct 2, 2014
    2014-10-02 14:20 United States

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