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: Exterior Lighting - Driveways
    in NC 2009 SSc8: Light Pollution Reduction
    568 Ahmed Mosa
    Sustainability Consultant - Sustainable Design Researcher
    P&T Architects and Engineers
    Sat, Jan 31, 2015
    RE: Distributors location for MR c5
    in NC 2009 MRc5: Regional Materials
    277 Keith Lindemulder
    Environmental Business Development- LEED AP BD&C
    Nucor
    Fri, Jan 30, 2015
    RE: When can construction review start for a NC project
    in LEED Reviews: LEED Online, Appeals, Design/Construction Submittals, and more
    639 Charles Nepps
    Fri, Jan 30, 2015
    RE: Lighting control in bedrooms
    in NC 2009 IEQc6.1: Controllability of Systems—Lighting
    309 Jyothsna Giridhar
    Fri, Jan 30, 2015
    RE: Footprint, at grade or below grade?
    in PIf2: Project Summary Details
    183 Kimberly Frith
    Sustainability Consultant
    Alto Sustainability, LLC
    Fri, Jan 30, 2015
    RE: M&V Plan
    in CS 2009 EAc5.2: Measurement and Verification—Tenant Submetering
    83 Marcus Sheffer
    LEED Fellow
    7group
    Fri, Jan 30, 2015
    RE: DES Option 2 – CHP with absorption chiller
    in NC 2009 EAc1: Optimize Energy Performance
    1,134 Marcus Sheffer
    LEED Fellow
    7group
    Fri, Jan 30, 2015
    Electric Charging Stations for LEED CI ID Credit
    in CI 2009 IDc1: Innovation in Design
    142 Matthew Catterall
    Cotera+Reed Architects
    Fri, Jan 30, 2015
    RE: Crushed concrete
    in NC 2009 MRc4: Recycled Content
    515 Michelle Reott
    LEED AP BD+C, ID+C, O+M, Managing Principal
    Earthly Ideas LLC
    Fri, Jan 30, 2015
    RE: Greywater and wastewater reuse
    in NC 2009 WEp1: Water Use Reduction—20% Reduction
    617 Charles Nepps
    Fri, Jan 30, 2015
    RE: Modeling Water-source Variable Refrigerant Volume Systems
    in NC 2009 EAp2: Minimum Energy Performance
    2,611 Anthony Hardman
    Building Performance Analyst
    The Green Engineer
    Fri, Jan 30, 2015
    No mercury Lights
    in EBOM 2009 MRc4: Sustainable Purchasing—Reduced Mercury in Lamps
    144 Susan Coy
    Fri, Jan 30, 2015
    United States
    Is this project a CS project?
    in LEED Rating System Selection Q&A
    634 Juliane Muench
    Fri, Jan 30, 2015
    Metal Flooring
    in CS 2009 IEQc4.3: Low-Emitting Materials—Flooring Systems
    74 MM K
    Fri, Jan 30, 2015
    Supplemental Guidance to the MPR for LEED v4
    in NC-v4: Must be in a permanent location on existing land
    9 SoYoung Lee
    LEED AP BD+C
    Director, HnC
    Fri, Jan 30, 2015
    Title Comments Most Recent Post Location
    Core and Shell project with public bike scheme adjacent
    in CS v4: Access to quality transit
    1 Sean Hogan
    LEED AP
    RKD Architects
    Thu, Oct 16, 2014
    Ireland
    24 Hour Retail
    in Retail–NC-v2009: Light pollution reduction
    1 Daniel Zaneto
    MMA Architects
    Wed, Oct 15, 2014
    RE: Is Cradle-to-Cradle Certification acceptable?
    in Schools IEQc4.6: Low-Emitting Materials—Ceiling and Wall Systems
    70 Josh Jacobs
    Technical Information & Public Affairs Manager
    UL Environment
    Wed, Oct 15, 2014
    RE: Up Light
    in NC v2.2 SSc8: Light Pollution Reduction
    94 Bill Swanson
    PE, LEED AP
    Integrated Architecture
    Tue, Oct 14, 2014
    RE: Lights on Fence around the building
    in CS 2009 SSc8: Light Pollution Reduction
    148 Saud Abdul Rasheed
    LEED Engineer
    Al Yamama Company
    Tue, Oct 14, 2014
    Pilot vs v4 Demand Response - Full Automation
    in Pilot Credit 8: Demand Response
    30 Jennifer Wehling
    Director of Sustainability
    Lionakis
    Mon, Oct 13, 2014
    United States
    zoning requirements
    in NC v2.2 SSc4.4: Alternative Transportation—Parking Capacity
    39 Courtney Royal, LEED AP BD+C
    Sr. Sustainability Consultant
    Taitem Engineering
    Mon, Oct 13, 2014
    United States
    School with unusually large amount of artificial turf
    in Schools 2009 SSc5.2: Site Development—Maximize Open Space
    15 Helen Kessler
    President
    HJKessler Associates
    Sun, Oct 12, 2014
    United States
    How many people per control
    in CI 2009 IEQc6.2: Controllability of Systems—Thermal Comfort
    29 Matthew Catterall
    Cotera+Reed Architects
    Fri, Oct 10, 2014
    Confusion over tile
    in Schools IEQc4.3: Low-Emitting Materials—Flooring Systems
    29 Crista Shopis
    Senior Engineer, LEED AP
    Taitem Engineering
    Fri, Oct 10, 2014
    United States
    Recycled cork can contribute to achieve MRc6?
    in NC 2009 MRc6: Rapidly Renewable Materials
    50 Pedro Ribeiro
    Director of Sustainability
    Edifícios Saudáveis Consultores
    Fri, Oct 10, 2014
    Portugal
    RE: Survey for Sixth Graders
    in Schools 2009 IEQc7.2: Thermal Comfort—Verification
    13 Matthew Heaton
    Fri, Oct 10, 2014
    United States
    Pilot credit # 45
    in Pilot Credit 45: Site Assessment
    16 Devani PERERA
    Green Building Consultant
    ELAN
    Thu, Oct 9, 2014
    France
    RE: Documentation if the building structure remains the same
    in CS 2009 MRc1: Building Reuse—Maintain Existing Walls, Floors and Roof
    22 April Brown
    Projects Manager
    Institute for the Built Environment
    Thu, Oct 9, 2014
    RE: Process loads
    in NC-v4: Optimize energy performance
    8 Marcus Sheffer
    LEED Fellow
    7group
    Thu, Oct 9, 2014
    Ice Makers on LEED 2009 for Retail NC
    in Retail–NC-v2009: Water use reduction
    1 Nic Millard
    Senior Mechanical Engineer
    MPW Engineering
    Tue, Oct 7, 2014
    United States
    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
    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: Multi-Purpose Latex Primer/Sealer
    in Schools IEQc4.2: Low-Emitting Materials—Paints and Coatings
    80 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE
    Sun, Oct 5, 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
    Title Comments Most Recent Post Location
    RE: Blinds
    in Blinds
    8 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Mon, Nov 4, 2013
    RE: NC 2009 MPR Form 2 - actual vs estimated square footage
    in PI Form 2 Project Summary Details
    64 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Nov 5, 2013
    RE: LEED v4-Credits MR-USGBC approved program
    in USGBC Engages Chemical Supply Chain with New LEED v4 Option
    38 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Sun, Nov 3, 2013
    RE: Gerrymandered site?
    in Multiple buildings
    5 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Sun, Nov 3, 2013
    RE: one project?
    in Multiple Buildings Connected - Campus Approach vs Standard Approach
    7 David Lee
    LEED Coordinator
    Federal Management Solutions
    Mon, Sep 16, 2013
    RE: SSc1: Previously Certified Projects
    in LEED for Existing Buildings Recertification Is Here
    9 Michelle Rosenberger
    Partner
    ArchEcology, LLC
    Wed, Sep 11, 2013
    LEED Scorecard Forms
    in Scorecard
    6 Clara Simon
    Sustainability Manager
    University of Washington - Capital Projects Office
    Fri, Sep 6, 2013
    BREEAM and LEED
    in BREEAM Equivalency for LEED Projects
    1 Emily Rhee
    Fri, Sep 6, 2013
    RE: Categories and prescriptive path alternate option
    in GBCI Streamlines LEED Credentialing, Offers New Window for Legacy LEED APs
    47 Erin Emery Hartz
    Manager, Marketing & Product Development
    U.S. Green Building Council
    Mon, Aug 19, 2013
    Complete LEED-EBOM Gold Project Documents on LEEDuser - by Tristan Roberts
    Tue, Aug 13, 2013
    I am also an independent LEED
    in New USGBC Membership Fee Structure
    59 Brad Miller
    Principal
    Environnmental Concepts Company
    Tue, Aug 6, 2013
    RE: Allowed but not necessarily advisable
    in Can you register a project for LEED CI after construction has been completed?
    8 Mary Ostafi
    Sustainability Specialist
    HOK
    Wed, Jul 24, 2013
    RE: Technical Manual for new Green Globes for New Construction
    in The Hidden Beltway Lobbyists Who Shape Green Building Policy
    20 Paula Melton
    Managing Editor
    BuildingGreen, Inc.
    Thu, Jul 11, 2013
    RE: Embolden ACC?
    in The LEED v4 Ballot: The Case For and Against
    15 Kathryn West
    LEED AP BD+C, O+M, Green Globes Professional, Guiding Principles Compliance Professional
    Energy Ace
    Fri, Jun 28, 2013
    First in Africa ?
    in First-in-Country Projects to Get Free LEED Certification
    5 Mike Barker
    Principal : Energy / Electrical Engineer
    BuildingPhysics South Africa
    Wed, Jun 12, 2013
    RE: Can't select "other" in space usage type drop down
    in Filling out Space Usage Type
    19 Erica Downs
    Sustainability & LEED Consultant
    Tue, Nov 5, 2013
    RE: Timeline for CIR responses from GBCI
    in How long for CIR responses?
    8 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Mon, Jun 3, 2013
    RE: BD&C Exam Prep
    in Earn CEUs on LEEDuser—With Ease
    2 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Wed, Jun 12, 2013
    New USGBC searchable database..
    in Key LEED Interpretations
    4 Lewis Hewton
    Cundall
    Thu, Jul 3, 2014
    Partial interior fit-out
    in LEED CI - Is there a minimum tenant rennovation scope?
    10 Mariela Garate Clarke
    Architect
    Green Building Council Chile
    Thu, Apr 4, 2013
    Title Comments Most Recent Post Location
    gs 11 1993 test VS iso
    in Retail–CI-v2009: Low-emitting materials - paints and coatings
    2 Michele Comperti
    project manager
    Sice Previt spa
    Thu, Sep 11, 2014
    100% non potable water source
    in EBOM-2009 WEc3: Water Efficient Landscaping
    111 Diego Pietzsch
    Mechanical Engineer
    Wed, Sep 10, 2014
    Is this project a CS project?
    in LEED Rating System Selection Q&A
    634 Juliane Muench
    Wed, Sep 10, 2014
    RE: open space not within LEED project boundary
    in NC 2009 SSc5.2: Site Development—Maximize Open Space
    170 Sara Zoumbaris
    Sustainable Design Consulting
    Wed, Sep 10, 2014
    Is there a timeframe for the minimum number of cycles?
    in NC-v4: Cooling tower water use
    9 Gregory Martin
    Wed, Sep 10, 2014
    Non certified factory with new process area aiming certification
    in PIf1: Minimum Program Requirements
    6 Valentin Grimaud
    Thermal Engineer
    TERAO Green Building Engineering
    Wed, Sep 10, 2014
    RE: Naturally ventilated elevator lobby in mech. ventilated bldg.
    in NC 2009 IEQc2: Increased Ventilation
    92 Jean Marais
    b.i.g. Bechtold DesignBuilder Expert
    Wed, Sep 10, 2014
    gs 11 1993 test VS iso
    in Retail–CI-v2009: Low-emitting materials - paints and coatings
    2 Michele Comperti
    project manager
    Sice Previt spa
    Wed, Sep 10, 2014
    Relocation of existing trees within site
    in NC 2009 SSc5.1: Site Development—Protect or Restore Habitat
    230 Yiwei Koh
    Sustainable Design Consultant
    WSP Ng Pte Ltd
    Wed, Sep 10, 2014
    Exlude retail zone
    in MPR3: Must use a reasonable site boundary
    5 GABRIEL MORALES
    Architect
    Grupo Syasa
    Tue, Sep 9, 2014
    Exlude retail zone
    in MPR3: Must use a reasonable site boundary
    5 GABRIEL MORALES
    Architect
    Grupo Syasa
    Tue, Sep 9, 2014
    RE: FTE for Apartment building
    in Calculating FTEs
    189 CT G
    Mon, Sep 8, 2014
    RE: Exemption for Labs
    in CI 2009 EAc1.1: Optimize Energy Performance—Lighting Power
    95 Amit Ahiel
    Fri, Sep 5, 2014
    RE: Multiple buildings with common basement
    in New LEED Guidance for Campuses and Multiple Buildings
    504 Emmanuel Pauwels
    Owner
    Green Living Projects s.l.
    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: FTE for Apartment building
    in Calculating FTEs
    189 CT G
    Thu, Sep 4, 2014
    Entering nonregularily occupied spaces in IEQp1 spread sheet cal
    in NC-v4: Minimum indoor air quality performance
    7 Vassil Vassilev
    Manager
    Termoservice OOD
    Wed, Sep 3, 2014
    Russian Federation
    LEED reviewer comment
    in CS 2009 EAp3: Fundamental Refrigerant Management
    16 Gaston Michaud
    Mechanical Engineer
    CTS
    Wed, Sep 3, 2014
    We are in the process of
    in EBOM-v4: Indoor water use reduction
    13 LEED Consultant
    Green Building and Alternative Energy
    Wed, Sep 3, 2014
    Mexico
    Regarding LEED Project Boundary
    in MPR3: Must use a reasonable site boundary
    1 Shelendra Kumar
    Wed, Sep 3, 2014
    Title Comments Post date Most Recent Postsort icon Location
    off-site land outside USA
    in NC 2009 SSc5.1: Site Development—Protect or Restore Habitat
    230 Emmanuel Pauwels
    Owner
    Green Living Projects s.l.
    Thu, Nov 6, 2014
    2014-11-06 12:57 Spain
    lighting schedule for school
    in NC 2009 EAp2: Minimum Energy Performance
    2,611 Francesco Passerini
    engineer
    leedme.it
    Thu, Nov 6, 2014
    2014-11-06 11:54 Italy
    New wind turbines
    in EBOM 2009 EAc4: On-Site and Off-Site Renewable Energy
    97 charles bell
    principal
    theGreenTeam, Inc.
    Thu, Nov 6, 2014
    2014-11-06 10:17 United States
    IEQc2, Tenant work and submittal of credits
    in CS 2009 IEQc2: Increased Ventlilation
    10 Juliane Muench
    Thu, Nov 6, 2014
    2014-11-06 05:23 Denmark
    Must non-potable water sources be used to earn IP credit?
    in NC-v4: Integrative process
    11 Eesmyal Santos-Brault
    Principal
    Recollective Consulting
    Thu, Nov 6, 2014
    2014-11-06 01:27 Canada
    62.1 Theater Stage and Seating - Open spaces - 62.1 vent require
    in NC-2009 IEQp1: Minimum IAQ Performance
    846 Victoria Watson
    Wed, Nov 5, 2014
    2014-11-05 13:00 Australia
    Hard-Lid Ceiling
    in NC 2009 IEQc5: Indoor Chemical and Pollutant Source Control
    324 Omar ElRawy
    Building Engineer, LEED AP BD+C
    EA Building Consultants
    Wed, Nov 5, 2014
    2014-11-05 08:57 Egypt
    Deck to Deck Partition
    in NC 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    279 Omar ElRawy
    Building Engineer, LEED AP BD+C
    EA Building Consultants
    Wed, Nov 5, 2014
    2014-11-05 08:54 Egypt
    Core and Shell for Residential project
    in LEED Rating System Selection Q&A
    634 Emmanuel Pauwels
    Owner
    Green Living Projects s.l.
    Wed, Nov 5, 2014
    2014-11-05 08:12 Spain
    CS appendix 1: default occupancy counts
    in PIf3: Occupant and Usage Data
    203 Bernadette Stauder-Buschlinger
    Bilfinger Bauperformance GmbH
    Wed, Nov 5, 2014
    2014-11-05 05:17 Germany
    SSc7.2 roof gravel
    in CS 2009 SSc7.2: Heat Island Effect—Roof
    98 S Nagarajan
    Tue, Nov 4, 2014
    2014-11-04 13:50 United Arab Emirates
    EAc 5.1 for LEED C&S
    in CS 2009 EAc5.1: Measurement and Verification—Base Building
    100 S Nagarajan
    Tue, Nov 4, 2014
    2014-11-04 13:42 United Arab Emirates
    LEED GA Exam registration
    in Video: LEED AP Credential Maintenance
    59 Michael Smithing
    Director - Green Building Advisory
    Colliers International
    Tue, Nov 4, 2014
    2014-11-04 01:21 Singapore
    How to model Unit Heaters in Baseline model
    in NC 2009 EAc1: Optimize Energy Performance
    1,134 Dónal O'Connor
    Mon, Nov 3, 2014
    2014-11-03 21:02 Canada
    Low-Emitting Materials Calculator
    in NC-v4: Low emitting materials
    79 CAROLINE PIN
    In charge of environmental certification on a jobsite
    EIFFAGE CONSTRUCTION
    Mon, Nov 3, 2014
    2014-11-03 11:21 France
    Parking spaces for trucks
    in NC 2009 SSc4.4: Alternative Transportation—Parking Capacity
    297 Alicja Bieszyńska
    Skanska
    Mon, Nov 3, 2014
    2014-11-03 09:07 Poland
    Parking spaces
    in Retail–NC-v2009: Alternative transportation
    8 Megan Bove
    Mon, Nov 3, 2014
    2014-11-03 08:25 United States
    Natural ventilation on a hangar
    in CS 2009 IEQc5: Indoor Chemical and Pollutant Source Control
    92 Renato Sandoval
    Mon, Nov 3, 2014
    2014-11-03 08:18 Brazil
    Occupancy sensors: No override switch but with task lighting
    in NC 2009 IEQc6.1: Controllability of Systems—Lighting
    309 André Harms
    Ecolution Consulting
    Mon, Nov 3, 2014
    2014-11-03 02:41 South Africa
    ASHRAE Standard
    in CS-2009 IEQp1: Minimum IAQ Performance
    135 ilkyaz ceren güçlü
    civil engineer
    SPC Solutions
    Sun, Nov 2, 2014
    2014-11-02 06:07 Russian Federation

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