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
    RE: Concrete forming and temporary material - recycled content
    in NC 2009 MRc4: Recycled Content
    461 Lyle Axelarris
    Civil/Structural Engineer, LEED AP BD+C, O+M
    Design Alaska
    Thu, Sep 18, 2014
    RE: Qualifying Products
    in NC-2009: Environmentally preferable interior finishes and furnishings
    15 Joanna Switzer
    Thu, Sep 18, 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
    Appeal Process
    in LEED Reviews: LEED Online, Appeals, Design/Construction Submittals, and more
    574 Dennis Park
    Perkins + Will
    Thu, Sep 18, 2014
    RE: Option 4 fuel-efficient car sharing program for a C&S building
    in CS 2009 SSc4.3: Alternative Transportation—Low-Emitting and Fuel-Efficient Vehicles
    82 Eleftherios Zacharakis
    Environmental and Energy Consultant
    WSP Group Sweden
    Thu, Sep 18, 2014
    RE: Equipment Capacity for Design and Baseline Case
    in NC 2009 EAp2: Minimum Energy Performance
    2,377 Marcus Sheffer
    LEED Fellow
    7group
    Thu, Sep 18, 2014
    Emergency Exits
    in NC 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    267 David Hubka
    Director - Operations
    Transwestern Sustainability Services
    Thu, Sep 18, 2014
    RE: Local Jurisdiction Approval?
    in NC-2009 IEQp1: Minimum IAQ Performance
    771 Ivan Souza
    Sustainability Consultancy Services
    Cushman & Wakefield
    Thu, Sep 18, 2014
    location test
    in Warehouses-EBOM-v4: Rainwater management
    1 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Thu, Sep 18, 2014
    hand-watering?
    in NC 2009 WEc1: Water Efficient Landscaping
    357 E H
    Sustainability Architect
    Thu, Sep 18, 2014
    RE: Qualifying energy use
    in NC-v4: Green power and carbon offsets
    7 Marcus Sheffer
    LEED Fellow
    7group
    Thu, Sep 18, 2014
    RE: Status of covered outside space and Energy Modeling
    in NC 2009 EAc1: Optimize Energy Performance
    1,085 Amanda Johnson
    Penicaud Green Building
    Thu, Sep 18, 2014
    RE: Analysis areas for large building
    in NC-v4: Daylight
    15 Eddy Santosa
    Lead Building Performance Analyst
    Callison
    Thu, Sep 18, 2014
    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
    Title Comments Most Recent Post
    Occupancy Count
    in CS 2009 WEp1: Water Use Reduction—20% Reduction
    187 PAWAN DAHIWAL
    Fri, Sep 5, 2014
    RE: Natural Ventilation in a Warehouse
    in EBOM 2009 IEQp1: Minimum Indoor Air Quality Performance
    323 Julia Weatherby
    Senior Mechanical Engineer
    Lindgren & Sharples, P.C.
    Fri, Sep 5, 2014
    Calculations for Projects outside USA
    in NC-v4: Outdoor water use reduction
    3 GBC Council CL
    Chile GBC
    Thu, Sep 4, 2014
    RE: Building Envelope Cx Checklist for LEED Documentation
    in NC-v4: Enhanced commissioning
    6 Joyce Kelly
    Consultant
    Architectural Fusion
    Thu, Sep 4, 2014
    RE: What does "can include" mean?
    in MPR3: Must use a reasonable site boundary
    198 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE ∙ Sustainability ∙ Construction ∙ Specifications
    Thu, Sep 4, 2014
    Mechanically conditioning and natural ventilation
    in NC-v4: Minimum indoor air quality performance
    5 Gustavo De las Heras Izquierdo
    Arch. Eng. LEED AP BD+C; O+M
    Revitaliza Consultores
    Wed, Sep 3, 2014
    LEED reviewer comment
    in CS 2009 EAp3: Fundamental Refrigerant Management
    16 Gaston Michaud
    Mechanical Engineer
    CTS
    Wed, Sep 3, 2014
    Regarding LEED Project Boundary
    in MPR3: Must use a reasonable site boundary
    1 Shelendra Kumar
    Wed, Sep 3, 2014
    RE: Stormwater rate and quantity calculation for case 1
    in NC 2009 SSc6.1: Stormwater Design—Quantity Control
    209 sona prajapati
    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: Green cleaning products - Saudi Arabia
    in EBOM 2009 IEQc3.3: Green Cleaning—Purchase of Sustainable Cleaning Products and Materials
    129 Nate Gillette
    Director
    Natura Architectural Consulting LLC
    Mon, Sep 1, 2014
    RE: On-site waste water treatment
    in NC-v4: Indoor water use reduction
    3 Lorne Mlotek
    LEED AP BD+C
    LeadingGREEN
    Mon, Sep 1, 2014
    Documentation if the building structure remains the same
    in CS 2009 MRc1: Building Reuse—Maintain Existing Walls, Floors and Roof
    19 Alexander Benning
    Project Manager
    ES EnviroSustain GmbH
    Mon, Sep 1, 2014
    minimum vegetation area
    in CS 2009 WEc1: Water Efficient Landscaping
    57 Agata Mozer
    GO4IT SP Z OO SP K
    Mon, Sep 1, 2014
    RE: Parking spaces provided to project building in another garage
    in CS 2009 SSc7.1: Heat Island Effect—Nonroof
    49 Maria Porter
    Environmental Certification Engineer
    Skanska Sweden
    Mon, Sep 1, 2014
    RE: VOC Testing - ISO EU Standard
    in NC v2.2 EQc4.2: Low-Emitting Materials—Paints and Coatings
    90 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE ∙ Sustainability ∙ Construction ∙ Specifications
    Sun, Aug 31, 2014
    RE: VOC Testing - ISO EU Standard
    in NC 2009 IEQc4.2: Low-Emitting Materials—Paints and Coatings
    449 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE ∙ Sustainability ∙ Construction ∙ Specifications
    Sun, Aug 31, 2014
    RE: Open passage to copy room
    in NC v2.2 EQc5: Indoor Chemical and Pollutant Source Control
    92 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE ∙ Sustainability ∙ Construction ∙ Specifications
    Sat, Aug 30, 2014
    Qualification for Credit
    in EBOM 2009 SSc6: Stormwater Quantity Control
    61 Wendy Lao
    LEED Sustainability Intern
    County of Santa Clara
    Fri, Aug 29, 2014
    Title Comments Most Recent Post
    Oman - by LEEDUser Team
    Thu, Sep 18, 2014
    Qatar - by LEEDUser Team
    Thu, Sep 18, 2014
    Saudi Arabia - by LEEDUser Team
    Thu, Sep 18, 2014
    Syria - by LEEDUser Team
    Thu, Sep 18, 2014
    Nicaragua - by LEEDUser Team
    Thu, Sep 18, 2014
    Panama - by LEEDUser Team
    Thu, Sep 18, 2014
    Saint Kitts and Nevis - by LEEDUser Team
    Thu, Sep 18, 2014
    Saint Lucia - by LEEDUser Team
    Thu, Sep 18, 2014
    Saint Vincent and the Grenadines - by LEEDUser Team
    Thu, Sep 18, 2014
    Trinidad and Tobago - by LEEDUser Team
    Thu, Sep 18, 2014
    Middle East - by LEEDUser Team
    Thu, Sep 18, 2014
    Bahrain - by LEEDUser Team
    Thu, Sep 18, 2014
    Egypt - by LEEDUser Team
    Thu, Sep 18, 2014
    Iran - by LEEDUser Team
    Thu, Sep 18, 2014
    Iraq - by LEEDUser Team
    Thu, Sep 18, 2014
    Israel - by LEEDUser Team
    Thu, Sep 18, 2014
    Jordan - by LEEDUser Team
    Thu, Sep 18, 2014
    Barbados - by LEEDUser Team
    Thu, Sep 18, 2014
    Belize - by LEEDUser Team
    Thu, Sep 18, 2014
    Costa Rica - by LEEDUser Team
    Thu, Sep 18, 2014
    Title Votes Comments Most Recent Post
    Areas of question
    in CI 2009 IEQc3.2: Construction IAQ Management Plan—Before Occupancy
    275 64 Green Living LLC Elizabeth Gharib
    Fri, Jan 22, 2010
    Issue -
    in CI-2009 IEQp1: Minimum IAQ Performance
    275 131 Green Living LLC Elizabeth Gharib
    Fri, Jan 22, 2010
    RE: Pin-based CFL's
    in EBOM 2009 MRc4: Sustainable Purchasing—Reduced Mercury in Lamps
    275 143 Jenny Carney
    Principal
    YR&G
    Tue, Dec 29, 2009
    RE: Recycling
    in CI 2009 MRp1: Storage and Collection of Recyclables
    274 57 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Thu, Jan 21, 2010
    RE: Existing bike storage and showers
    in CI 2009 SSc3.2: Alternative Transportation—Bicycle Storage and Changing Rooms
    274 81 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Fri, Nov 20, 2009
    RE: Existing bike storage and showers
    in CI 2009 SSc3.2: Alternative Transportation—Bicycle Storage and Changing Rooms
    274 81 Mara Baum
    Healthcare Sustainable Design Leader, LEED Fellow
    HOK
    Tue, Dec 8, 2009
    Using option (3) measuring lighting (%) percent
    in EBOM 2009 SSc8: Light Pollution Reduction
    274 103 Reynaldo Castro
    Tue, Jan 19, 2010
    New CIRs are not precedent setting
    in Upgrade to LEED 2009? How to Choose for Your Project
    273 16 Lauren Sparandara
    Sustainability Manager
    Google
    Tue, Oct 13, 2009
    Flush monitoring requirements
    in CI 2009 IEQc3.2: Construction IAQ Management Plan—Before Occupancy
    273 64 Mary Davidge
    Principal
    Mary Davidge Associates
    Wed, Jan 20, 2010
    RE: Dormitory that is No Smoking
    in NC 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    273 267 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Wed, Jan 27, 2010
    RE: no smoking requirements for CA projects
    in CI 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    271 25 Seema Pandya
    Senior Sustainability Manager
    YR&G sustainability
    Mon, Nov 9, 2009
    On Site Renewable Energy
    in EBOM 2009 EAc4: On-Site and Off-Site Renewable Energy
    270 91 Ben Stanley
    Sustainability Manager
    YRG sustainability
    Mon, Jan 25, 2010
    CI IEQ p1 ASHRAE 62.1-2007 calculator
    in CI-2009 IEQp1: Minimum IAQ Performance
    270 131 dave montgomery
    Wed, Oct 14, 2009
    M&V and metering
    in NC 2009 EAc5: Measurement and Verification
    270 195 Emil Cuevas
    Wed, Nov 18, 2009
    What about leased products?
    in EBOM 2009 MRc2: Sustainable Purchasing—Durable Goods
    269 80 D. G.
    Thu, Jan 21, 2010
    RE: Off Site Renewable Energy
    in EBOM 2009 EAc4: On-Site and Off-Site Renewable Energy
    268 91 Dan Ackerstein
    Principal
    Ackerstein Sustainability, LLC
    Tue, Jan 12, 2010
    RE: Option B and D
    in NC 2009 EAc5: Measurement and Verification
    268 195 Christopher Schaffner
    Principal & Founder
    The Green Engineer, LLP
    Wed, Jan 27, 2010
    Grabbing a non-contiguous park
    in NC 2009 SSc5.1: Site Development—Protect or Restore Habitat
    268 215 Lauren Sparandara
    Sustainability Manager
    Google
    Mon, Feb 1, 2010
    RE: When does the Performance Period Start?
    in EBOM 2009 SSc1: LEED Certified Design and Construction
    266 37 Dan Ackerstein
    Principal
    Ackerstein Sustainability, LLC
    Tue, Jan 19, 2010
    Calculating FTE/Transients for Hospital environments
    in NC 2009 WEc3: Water Use Reduction
    266 103 Lauren Sparandara
    Sustainability Manager
    Google
    Mon, Feb 1, 2010
    Title Comments Most Recent Post
    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
    Measurement doubt
    in EBOM 2009 SSc5: Site Development—Protect or Restore Open Habitat
    88 Maximiliano Martinez
    Project Manager
    PowerSeal Pipeline Products Corporation
    Wed, Aug 27, 2014
    Study Guides and Practice Exams for LEED v4
    in Got Technical Questions on LEED v4?
    57 Cindy Davis
    Associate Principal
    Callison Architecture
    Wed, Aug 27, 2014
    Designated vanpool parking space for Case 2
    in NC 2009 SSc4.4: Alternative Transportation—Parking Capacity
    291 Hieu Huynh
    Environmental Engineer
    Wed, Aug 27, 2014
    Vehicular control - Tire washing control
    in NC 2009 SSp1: Construction Activity Pollution Prevention
    207 LEED Consultant
    Green Building and Alternative Energy
    Tue, Aug 26, 2014
    SRI value for concrete
    in EBOM-v4: Heat island reduction
    3 LEED Consultant
    Green Building and Alternative Energy
    Tue, Aug 26, 2014
    SRI value for concrete
    in NC-v4: Heat island reduction
    1 LEED Consultant
    Green Building and Alternative Energy
    Tue, Aug 26, 2014
    LEED NC Credit EAc2 for LEED ID+C project as an ID credit
    in CI 2009 IDc1: Innovation in Design
    139 Amit Ahiel
    Tue, Aug 26, 2014
    ETo units and ETo calculation software
    in NC 2009 WEc1: Water Efficient Landscaping
    357 Renaud Gay
    Shanghai Pacific Energy Center
    Tue, Aug 26, 2014
    Recirculated Air
    in NC-2009 IEQp1: Minimum IAQ Performance
    771 Emmanuel Pauwels
    Owner
    Green Living Projects s.l.
    Mon, Aug 25, 2014
    IEQp2 Implementation Timeframe
    in NC 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    267 Bradley Konkel
    Student
    Mon, Aug 25, 2014
    LEED v4 Exam - Core + Speciality
    in Got Technical Questions on LEED v4?
    57 Jennifer Steacy
    Sun, Aug 24, 2014
    Exemplary Performance for Heat Island Reduction
    in Homes-v4: Heat island reduction
    1 Nelca Roco
    Architect
    Thorn Lighting
    Sat, Aug 23, 2014
    Cannot upload after review comments
    in Living with LEED Online - quirks, bugs and hiccups
    136 Robert Wichert
    Engineer
    Fri, Aug 22, 2014
    Survey Completion
    in CI 2009 IEQc7.2: Thermal Comfort—Verification
    19 Elliot Young
    Fri, Aug 22, 2014
    Building Energy Metering - Third Party Source
    in CS v4: Building-level energy metering
    1 Sean Hogan
    LEED AP
    RKD Architects
    Fri, Aug 22, 2014

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