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: "Single Site" requirement for a Master Site?
    in New LEED Guidance for Campuses and Multiple Buildings
    500 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE
    Sun, Dec 21, 2014
    RE: How to prove compliance with Mechanical Ventilation
    in NC 2009 EAp2: Minimum Energy Performance
    2,569 Praveen Raj
    Energy Analyst
    Sat, Dec 20, 2014
    India
    RE: LEED AP BD+C V4
    in Experience Requirement Loosened for LEED v4 AP Exam
    16 Jeffrey Ornstein
    Associate Project Manager for Architecture, LEED AP BD+C, CDT
    New York City Housing Authority
    Sat, Dec 20, 2014
    RE: Hot-Rolled Structural Steel - MRc4 Products
    in NC 2009 MRc4: Recycled Content
    501 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE
    Sat, Dec 20, 2014
    RE: Ice-cream factory with sub-zero working conditions
    in NC 2009 IEQc7.1: Thermal Comfort—Design
    206 Christopher Schaffner
    Principal & Founder
    The Green Engineer, LLP
    Fri, Dec 19, 2014
    RE: Modeling a backup District energy source
    in CS 2009 EAp2: Minimum Energy Performance
    883 Christopher Schaffner
    Principal & Founder
    The Green Engineer, LLP
    Fri, Dec 19, 2014
    IEQp1 using indoor packaged DX units
    in CI-2009 IEQp1: Minimum IAQ Performance
    140 Edgar Arevalo
    Fri, Dec 19, 2014
    RE: Auto Service/Repair
    in NC 2009 SSc2: Development Density and Community Connectivity
    225 Michelle Robinson
    Re:Vision Architecture
    Fri, Dec 19, 2014
    RE: Can't create an ID point for this credit
    in CS 2009 SSc7.1: Heat Island Effect—Nonroof
    54 Alfonzo Collins
    Fri, Dec 19, 2014
    RE: Minimum Ventialtion Rates: Locker Rooms
    in NC-2009 IEQp1: Minimum IAQ Performance
    826 Andrey Kuznetsov
    Green Building and Sustainability Consultant (LEED AP BD+C)
    Signy Group
    Fri, Dec 19, 2014
    Water Efficiency Calculation
    in NC 2009 WEc2: Innovative Wastewater Technologies
    116 SENGATHIR SELVAN KARUNANITHI
    INNOWELL ENGINEERING INTERNATIONAL PVT LTD
    Fri, Dec 19, 2014
    Bangladesh
    RE: Lighting boundary SSc6 in new
    in NC-v4: Light pollution reduction
    14 Bill Swanson
    PE, LEED AP
    Integrated Architecture
    Fri, Dec 19, 2014
    RE: Wood floor coating VOC limit
    in NC 2009 IEQc4.2: Low-Emitting Materials—Paints and Coatings
    463 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE
    Thu, Dec 18, 2014
    RE: EAP2 Form "Check Compliance" problem
    in Completing the LEED Online EAp2 Form – Option 1: Whole Building Energy Simulation
    49 Marcus Sheffer
    LEED Fellow
    7group
    Thu, Dec 18, 2014
    Stability and predictablility is needed...
    in USGBC: Restore Confidence in v4 in Four Simple Steps
    19 Robert Andrews
    Partner - Sustainability Department Manager
    AHA Consulting Engineers, Inc.
    Thu, Dec 18, 2014
    Title Comments Most Recent Post Location
    RE: Open Office Landscape and System Furniture
    in NC 2009 IEQc8.2: Daylight and Views—Views
    378 Raina Tilden
    Architect
    Liljewall Arkitekter
    Wed, Dec 3, 2014
    FSC
    in EBOM 2009 IEQc3.3: Green Cleaning—Purchase of Sustainable Cleaning Products and Materials
    134 Maria Rozatti
    Sustainability Consultant, LEED AP O+M
    Sustentech
    Wed, Dec 3, 2014
    Brazil
    Default Fixture use for a School Project (shower)
    in Schools 2009 WEp1: Water Use Reduction—20% Reduction
    36 Markus Henning
    M.Eng Facility Management LEED AP BD+C
    Alpha Energy & Environment
    Wed, Dec 3, 2014
    Germany
    RE: Fixtures included in WEp1.
    in CI 2009 WEp1: Water Use Reduction—20% Reduction
    222 William Weaver
    Sustainability Practice Lead
    JLL
    Tue, Dec 2, 2014
    RE: Energy Model Scope - Shared HVAC Plant
    in CI 2009 EAc1.3: Optimize Energy Performance—HVAC
    327 Marcus Sheffer
    LEED Fellow
    7group
    Tue, Dec 2, 2014
    RE: NPDc11: are townhomes single dwelling or multiunit buildings
    in ND-v2009: Visitability and universal design
    2 Eliot Allen
    AICP, LEED AP-ND, CNU-A
    Principal, Criterion Planners LEED Faculty, LP TAG
    Mon, Dec 1, 2014
    Natural Materials
    in CI-v4: Building product disclosure and optimization - material ingredients
    1 John Mlade
    Mon, Dec 1, 2014
    United States
    RE: LEED certified Neighborhood
    in NC-v4: LEED for Neighborhood Development location
    8 Adam Maynard
    Neighborhood Development Associate
    U.S. Green Building Council
    Mon, Dec 1, 2014
    RE: Tenant-owned commercial refrigeration units
    in CS 2009 EAc4: Enhanced Refrigerant Management
    43 LEED Consultant
    Green Building and Alternative Energy
    Mon, Dec 1, 2014
    Occupants estimate according reference building
    in PIf3: Occupant and Usage Data
    4 LEED Consultant
    Green Building and Alternative Energy
    Mon, Dec 1, 2014
    RE: Definition Parking space
    in NC 2009 SSc7.1: Heat Island Effect—Nonroof
    242 Belén Valladares López
    Mrs
    Valladares Ingenieria
    Mon, Dec 1, 2014
    RE: Combined Density
    in NC-v4: Surrounding density and diverse uses
    4 Valentin Grimaud
    Thermal Engineer
    TERAO Green Building Engineering
    Mon, Dec 1, 2014
    RE: Ineligible biofuel energy cost and baseline
    in NC v2.2 EAp2: Minimum Energy Performance
    223 Marcus Sheffer
    LEED Fellow
    7group
    Sun, Nov 30, 2014
    RE: Do drawings need to have imperial units?
    in PIf4: Schedule and Overview Documents
    63 Gustavo De las Heras Izquierdo
    Arch. Eng. LEED AP BD+C; O+M
    Revitaliza Consultores
    Fri, Nov 28, 2014
    RE: Epoxy floor. Testing laboratories
    in CS 2009 IEQc4.3: Low-Emitting Materials—Flooring Systems
    72 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE
    Fri, Nov 28, 2014
    Extraction system for storage area
    in CS 2009 MRp1: Storage and Collection of Recyclables
    48 Luis Miguel Diazgranados
    Green Factory
    Thu, Nov 27, 2014
    RE: Motorcycle parking spaces
    in NC-v4: Reduced parking footprint
    5 Catherine Verdier
    Le Sommer Environnement
    Thu, Nov 27, 2014
    France
    Minimum Energy Performance Data Center Calculator
    in Data Centers-NC-v4: Minimum energy performance
    33 Charalampos Giannikopoulos
    Founder
    DCarbon
    Thu, Nov 27, 2014
    RE: Licensed Professional
    in EBOM 2009 EAp2: Minimum Energy Efficiency Performance
    467 Michael Smithing
    Director - Green Building Advisory
    Colliers International
    Thu, Nov 27, 2014
    RE: No 2 year contract available
    in NC v2.2 EAc6: Green Power
    69 Kathryn West
    LEED AP BD+C, O+M, Green Globes Professional, Guiding Principles Compliance Professional
    Energy Ace
    Wed, Nov 26, 2014
    Title Comments Most Recent Post Location
    Denmark - by LEEDUser Team
    Thu, Sep 18, 2014
    Estonia - by LEEDUser Team
    Thu, Sep 18, 2014
    Finland - by LEEDUser Team
    Thu, Sep 18, 2014
    Iceland - by LEEDUser Team
    Thu, Sep 18, 2014
    Ireland - by LEEDUser Team
    Thu, Sep 18, 2014
    Latvia - by LEEDUser Team
    Thu, Sep 18, 2014
    Lithuania - by LEEDUser Team
    Thu, Sep 18, 2014
    Norway - by LEEDUser Team
    Thu, Sep 18, 2014
    Sweden - by LEEDUser Team
    Thu, Sep 18, 2014
    United Kingdom - by LEEDUser Team
    Thu, Sep 18, 2014
    Argentina - by LEEDUser Team
    Thu, Sep 18, 2014
    Bolivia - by LEEDUser Team
    Thu, Sep 18, 2014
    Kuwait - by LEEDUser Team
    Thu, Sep 18, 2014
    Lebanon - by LEEDUser Team
    Thu, Sep 18, 2014
    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
    Title Comments Most Recent Post Location
    RE: bus space
    in PIf2: Project Summary Details
    176 jorge calderon
    earth lab
    Thu, Nov 13, 2014
    RE: FTE calculation
    in PIf3: Occupant and Usage Data
    202 Susan Walter
    Sr Project Architect
    Wilmot/Sanz
    Wed, Nov 12, 2014
    Minimum and average negative pressure measurements
    in CI 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    26 Bilge Ceylan
    Green Building/Project Management Consultant
    Individual Entrepreneur
    Wed, Nov 12, 2014
    LEED EA C4 Calculator
    in NC v2.2 EAc4: Enhanced Refrigerant Management
    23 Achyut Kulkarni
    Wed, Nov 12, 2014
    India
    Mixed Natural and Mechanical Ventilation for Dwelling Unit
    in CS-2009 IEQp1: Minimum IAQ Performance
    133 Catalina Caballero
    Sustainability Coordinator
    JALRW Eng. Group Inc.
    Wed, Nov 12, 2014
    usage of existing parking
    in NC 2009 SSc4.4: Alternative Transportation—Parking Capacity
    296 Doreen Kruschina
    Doreen Kruschina Planung+Baumanagement
    Tue, Nov 11, 2014
    Germany
    IEQp1 using indoor packaged DX units
    in CI-2009 IEQp1: Minimum IAQ Performance
    140 Edgar Arevalo
    Tue, Nov 11, 2014
    Double sidewalk and bike path
    in Pilot Credit 14: Walkable Streets
    79 Agnes Vorbrodt
    Principal
    VvS | Architects & Consultants
    Mon, Nov 10, 2014
    RE: Sunset date for LEED 2009 and incentives for using LEED v4
    in LEED 2009 Registration Extended to October 2016
    137 Taryn Holowka
    VP, Marketing & Communications, LEED AP
    U.S. Green Building Council
    Mon, Nov 10, 2014
    ventilation flow rate
    in CI 2009 IEQc2: Increased Ventilation
    11 ilkyaz ceren güçlü
    civil engineer
    SPC Solutions
    Mon, Nov 10, 2014
    Turkey
    Natural ventilation requirements for Basement
    in NC v2.2 EQp1: Minimum IAQ Performance
    58 S S
    Mon, Nov 10, 2014
    India
    IEQc2 Form Linked Content Source Inquiry
    in CS 2009 IEQc2: Increased Ventlilation
    10 Sam Stoltze
    Sustainability Consultant
    Chapman Construction / Design
    Fri, Nov 7, 2014
    United States
    energy-saving target during construction
    in CS 2009 IDc1: Innovation in Design
    49 Dee Yun
    MISS
    Fri, Nov 7, 2014
    China
    Green roof eligibility
    in NC-v4: Outdoor water use reduction
    6 Davis Kantor
    LEED AP BD+C
    Thu, Nov 6, 2014
    Switzerland
    RE: Urban agriculture in high density, zero lot line project.
    in NC 2009 SSc5.1: Site Development—Protect or Restore Habitat
    225 April Brown
    Projects Manager
    Institute for the Built Environment
    Thu, Nov 6, 2014
    IEQc2 Form Linked Content Source Inquiry
    in CS 2009 IEQc2: Increased Ventlilation
    10 Sam Stoltze
    Sustainability Consultant
    Chapman Construction / Design
    Thu, Nov 6, 2014
    United States
    LEED Online Form
    in Healthcare-v4: Indoor air quality assessment
    1 Catherine Blakemore
    Architect, LEED AP BC+D
    HOLT Architects
    Wed, Nov 5, 2014
    RE: Smoking Area in the Basement
    in NC 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    279 Heather Holdridge
    Sustainability Coordinator
    Lake/Flato Architects
    Wed, Nov 5, 2014
    Core Learning Space implies use School LEED requirements?
    in LEED Rating System Selection Q&A
    623 MKK LEED
    Wed, Nov 5, 2014
    Colombia
    RE: FTE calculation
    in PIf3: Occupant and Usage Data
    202 Susan Walter
    Sr Project Architect
    Wilmot/Sanz
    Wed, Nov 5, 2014
    Title Comments Post date Most Recent Postsort icon Location
    long term lease as NC innovation credit
    in CI 2009 MRc1.1: Tenant Space—Long-Term Commitment
    37 Maggie Pipek
    Sun, Nov 23, 2014
    2014-11-23 16:49 United States
    No Facility Alterations
    in EBOM 2009 MRc9: Solid Waste Management—Facility Alterations and Additions
    31 Charalampos Giannikopoulos
    Founder
    DCarbon
    Sun, Nov 23, 2014
    2014-11-23 06:33 Greece
    Showers in group projects
    in NC 2009 SSc4.2: Alternative Transportation—Bicycle Storage and Changing Rooms
    249 Stacey Olson
    Associate, LEED AP, ID+C, CID
    Gensler
    Fri, Nov 21, 2014
    2014-11-21 13:36 United States
    MPR 6 for Single Tenant Building
    in PIf1: Minimum Program Requirements
    6 Jonathan Weiss
    Fri, Nov 21, 2014
    2014-11-21 11:24 United States
    Asbestos Abatement
    in ND-v2009: Brownfields redevelopment
    6 Laura Steinbrink
    Principal
    HLMS Sustainability Solutions
    Fri, Nov 21, 2014
    2014-11-21 11:23 United States
    Epoxy floor. Testing laboratories
    in CS 2009 IEQc4.3: Low-Emitting Materials—Flooring Systems
    72 Irina Charkina
    EcoStandard Group
    Fri, Nov 21, 2014
    2014-11-21 10:03 Russian Federation
    Rooftop smoking areas?
    in CS 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    48 Sara Neff
    Director, Sustainability Programs
    Kilroy Realty Corporation
    Thu, Nov 20, 2014
    2014-11-20 22:27 United States
    No 2 year contract available
    in NC v2.2 EAc6: Green Power
    69 Adam Prince
    ZeroEnergy Design
    Thu, Nov 20, 2014
    2014-11-20 13:34 United States
    No exposed soil - how to comply with ESC?
    in NC 2009 SSp1: Construction Activity Pollution Prevention
    230 Michael E. Edmonds-Bauer
    Edmonds International
    Thu, Nov 20, 2014
    2014-11-20 13:12 Mexico
    NC-v4 LTc2: Sensitive land protection/Wetland Protection
    in NC-v4: Sensitive land protection
    3 Robyn Dowsey
    Owner
    Eco-Build Strategies LLC
    Thu, Nov 20, 2014
    2014-11-20 11:10 United States
    The year of metering
    in EBOM-v4: Minimum energy performance
    5 Vindio Corro
    Master Degree Construction Engineering
    Anomalia
    Thu, Nov 20, 2014
    2014-11-20 10:40 Spain
    Systems manual
    in CS-2009 EAc3: Enhanced Commissioning
    35 Michael E. Edmonds-Bauer
    Edmonds International
    Thu, Nov 20, 2014
    2014-11-20 10:39 Mexico
    Car Park Ventilation Fan Energy Savings
    in NC 2009 EAc1: Optimize Energy Performance
    1,127 Chilufya Lombe
    Sustainability Consultant
    Solid Green Consulting
    Thu, Nov 20, 2014
    2014-11-20 08:10 South Africa
    INNOVATIVE ENERGY SAVING
    in NC v2.2 EAc1: Optimize Energy Performance
    340 SENGATHIR SELVAN KARUNANITHI
    INNOWELL ENGINEERING INTERNATIONAL PVT LTD
    Thu, Nov 20, 2014
    2014-11-20 07:59 Bangladesh
    Definition of greenfield site
    in NC 2009 SSc2: Development Density and Community Connectivity
    225 Ulrika Nobelius
    White Arkitekter AB
    Thu, Nov 20, 2014
    2014-11-20 05:51 Sweden
    Gravel nonroof area
    in NC 2009 SSc7.1: Heat Island Effect—Nonroof
    242 Charalampos Giannikopoulos
    Founder
    DCarbon
    Thu, Nov 20, 2014
    2014-11-20 05:21 Greece
    Duct sealing methods
    in NC 2009 IEQc5: Indoor Chemical and Pollutant Source Control
    320 John Covello
    LEED AP BD+C, EBOM, LEED and Sustainability Manager
    Development Management Group
    Thu, Nov 20, 2014
    2014-11-20 03:19 Thailand
    Basement Ventilation exceptional calculations
    in NC 2009 EAp2: Minimum Energy Performance
    2,569 Rathnashree Bharadwaj
    Thu, Nov 20, 2014
    2014-11-20 02:28 India
    Does all of Section 1.6 results have to be filled?
    in NC 2009 EAp2: Minimum Energy Performance
    2,569 Ivan Priatman
    Senior Designer
    PT. Archimetric
    Wed, Nov 19, 2014
    2014-11-19 20:20 Indonesia
    Exemplary Performance ID point for 40% reduction.
    in Schools 2009 WEc4: Process Water Use Reduction
    60 Daniel Hersh
    Architect
    Breslin Ridyard Fadero Architects
    Wed, Nov 19, 2014
    2014-11-19 14:51 United States

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