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
    Calculations required in case of 100% non-potable water?
    in CS 2009 WEc1: Water Efficient Landscaping
    58 V Miller
    WSP
    Thu, Oct 2, 2014
    Commissioning and CO
    in Start a New LEED Discussion Topic
    133 Paulina Marinkovic
    Sustainability Manager LEED AP O&M
    Samba Energy
    Thu, Oct 2, 2014
    parking garage
    in NC 2009 SSc7.1: Heat Island Effect—Nonroof
    236 Lisa Marshall
    Sustainability Manager
    DNV KEMA Energy & Sustainability
    Thu, Oct 2, 2014
    Price info available online
    in NC 2009 EAc6: Green Power
    138 Nadav Malin
    USGBC LEED Faculty, President
    BuildingGreen, Inc.
    Thu, Oct 2, 2014
    RE: Can I change the project name?
    in LEED Reviews: LEED Online, Appeals, Design/Construction Submittals, and more
    587 Hernando Miranda
    Owner
    Soltierra LLC
    Wed, Oct 1, 2014
    California Dep. of HAAP...."Not Found Page"
    in Schools IEQc4.1: Low-Emitting Materials—Adhesives and Sealants
    32 Xavier Obando
    Wed, Oct 1, 2014
    Off-site land conservancy
    in NC 2009 SSc5.1: Site Development—Protect or Restore Habitat
    217 Todd Bundren
    Director of Sustainabilty - Architectural Project Manager
    Lawrence Group
    Wed, Oct 1, 2014
    Chiller Efficiency: With Errata?
    in NC 2009 EAp2: Minimum Energy Performance
    2,391 Johannes Hopf
    Wed, Oct 1, 2014
    Confused about Exemplary vs. Innovation credits
    in NC 2009 IDc1: Innovation in Design
    530 Susan Robertson
    Interior Designer
    IBI Group
    Wed, Oct 1, 2014
    Bus Stops
    in NC-v4: Access to quality transit
    4 Florencia Guggenheim
    Architect
    Wed, Oct 1, 2014
    Tenant spaces
    in CS 2009 EAp2: Minimum Energy Performance
    842 PAWAN DAHIWAL
    Wed, Oct 1, 2014
    LED lamps
    in EBOM-v4: Purchasing - lamps
    2 Karim Farah
    Sustainability Manager / USGBC Faculty
    Dar Al-Handasah
    Tue, Sep 30, 2014
    Saudi Arabia
    Testing Approach
    in NC 2009 IEQc3.2: Construction Indoor Air Quality Management Plan—Before Occupancy
    251 J.R. Anderson
    Principal
    Anderson Engineering
    Tue, Sep 30, 2014
    Lessons learned
    in LEED for Healthcare: Lessons Learned
    4 Mara Baum
    Healthcare Sustainable Design Leader, LEED Fellow
    HOK
    Tue, Sep 30, 2014
    Hospital water use?
    in NC 2009 WEc3: Water Use Reduction
    108 Tommy Linstroth
    Principal
    Trident Sustainability Group
    Tue, Sep 30, 2014
    Title Comments Most Recent Post Location
    Brownfield Qualification for UXO Unexploded Ordinance
    in NC v2.2 SSc3: Brownfield Redevelopment
    8 Greg Kight
    National Director of Sustainable Design
    Jacobs
    Wed, Sep 10, 2014
    RE: No cooling tower
    in NC-v4: Cooling tower water use
    9 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Wed, Sep 10, 2014
    Documentation requirements?
    in Schools-2009 IEQp1: Minimum IAQ Performance
    20 Tommy Linstroth
    Principal
    Trident Sustainability Group
    Wed, Sep 10, 2014
    LEED Boundary
    in MPR3: Must use a reasonable site boundary
    5 GABRIEL MORALES
    Architect
    Grupo Syasa
    Tue, Sep 9, 2014
    RE: Kitchens and regular occupancy (multi-familiy housing)
    in NC 2009 IEQc8.2: Daylight and Views—Views
    359 Walter Currin
    Tue, Sep 9, 2014
    Building additions
    in NC-2009 MRc1.1: Building Reuse—Maintain Existing Walls, Floors and Roof
    81 Michael Lueth
    Tue, Sep 9, 2014
    RE: CA Title 24
    in CI 2009 EAp2: Minimum Energy Performance
    458 Erik Dyrr
    Director, Sustainable Buildings and Operations
    KEMA
    Tue, Sep 9, 2014
    RE: Is this a typo?
    in CS 2009 MRc6: Certified Wood
    32 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Sep 9, 2014
    Access Panel in Hard Lid Ceiling
    in NC 2009 IEQc5: Indoor Chemical and Pollutant Source Control
    296 Ralph Bicknese
    Principal
    Hellmuth + Bicknese Architects
    Sun, Sep 7, 2014
    RE: Maximum allowable concentration of formaldehyde and other VOCs
    in NC-v4: Indoor air quality assessment
    6 Dale Walsh
    Fri, Sep 5, 2014
    How to document the water use reduction for CS?
    in CS 2009 WEp1: Water Use Reduction—20% Reduction
    187 Tatjana Ernst
    LEED AP; Dipl.-Ing.
    Fri, Sep 5, 2014
    Formaldehyde
    in EBOM 2009 IEQp1: Minimum Indoor Air Quality Performance
    323 Scott Siegel
    Fri, Sep 5, 2014
    Water Use Reduction points
    in NC-v4: Outdoor water use reduction
    3 UGC/GPRO Office Account
    Urban Green Council USGBC, New York Chapter
    Thu, Sep 4, 2014
    Building Envelope Cx Checklist for LEED Documentation
    in NC-v4: Enhanced commissioning
    6 Joyce Kelly
    Consultant
    Architectural Fusion
    Thu, Sep 4, 2014
    62MZ calculator in version 4 LEED
    in NC-v4: Minimum indoor air quality performance
    5 robert feduik
    Wed, Sep 3, 2014
    RE: Future HVAC Installation
    in CS 2009 EAp3: Fundamental Refrigerant Management
    16 Ante Vulin
    Sustainability Manager
    YR&G
    Wed, Sep 3, 2014
    Regarding LEED Project Boundary
    in MPR3: Must use a reasonable site boundary
    1 Shelendra Kumar
    Wed, Sep 3, 2014
    How exemplary do you have to be for Path 12?
    in CI 2009 SSc1: Site Selection
    201 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Sep 2, 2014
    RE: CI 2009 IEQc7.1 required documentation
    in CI 2009 IEQc7.1: Thermal Comfort—Design
    48 Christopher Schaffner
    Principal & Founder
    The Green Engineer, LLP
    Tue, Sep 2, 2014
    Homemade Cleaning Products
    in EBOM 2009 IEQc3.3: Green Cleaning—Purchase of Sustainable Cleaning Products and Materials
    129 Chad Oppenhuizen
    Sustainability Consultant: Senior Project Manager
    Viridian
    Mon, Sep 1, 2014
    Title Comments Most Recent Post Location
    Poland - by LEEDUser Team
    Thu, Sep 18, 2014
    Romania - by LEEDUser Team
    Thu, Sep 18, 2014
    Slovakia - by LEEDUser Team
    Thu, Sep 18, 2014
    Ukraine - by LEEDUser Team
    Thu, Sep 18, 2014
    Latin America and the Caribbean - by LEEDUser Team
    Thu, Sep 18, 2014
    Antigua and Barbuda - by LEEDUser Team
    Thu, Sep 18, 2014
    Bahamas - by LEEDUser Team
    Thu, Sep 18, 2014
    Kazakhstan - by LEEDUser Team
    Thu, Sep 18, 2014
    Kyrgyzstan - by LEEDUser Team
    Thu, Sep 18, 2014
    Russian Federation - by LEEDUser Team
    Thu, Sep 18, 2014
    Tajikistan - by LEEDUser Team
    Thu, Sep 18, 2014
    Turkmenistan - by LEEDUser Team
    Thu, Sep 18, 2014
    Uzbekistan - by LEEDUser Team
    Thu, Sep 18, 2014
    East Asia - by LEEDUser Team
    Thu, Sep 18, 2014
    China - by LEEDUser Team
    Thu, Sep 18, 2014
    Japan - by LEEDUser Team
    Thu, Sep 18, 2014
    Korea, Democratic People's Republic of - by LEEDUser Team
    Thu, Sep 18, 2014
    Korea, Republic of - by LEEDUser Team
    Thu, Sep 18, 2014
    Mongolia - by LEEDUser Team
    Thu, Sep 18, 2014
    Eastern Europe - by LEEDUser Team
    Thu, Sep 18, 2014
    Title Comments Most Recent Post Location
    IEQp2 Implementation Timeframe
    in NC 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    268 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
    Average Full Flush and Low Flush
    in Retail–CI-v2009: Water use reduction
    3 Geraldine Assmus
    Sustentator
    Thu, Aug 21, 2014
    Multi-Family Residential Options
    in NC 2009 IEQc3.2: Construction Indoor Air Quality Management Plan—Before Occupancy
    251 Alexis Thompson
    Project Coordinator
    Sellen Sustainability
    Thu, Aug 21, 2014
    Commerical Clothes Washers
    in Start a New LEED Discussion Topic
    133 Laura MacSweeney
    Thu, Aug 21, 2014
    LEEDv4 MPRs - Definition of Single Building
    in Start a New LEED Discussion Topic
    133 Kacy Wander
    Sustainability Coordinator
    JacobsWyper Architects
    Thu, Aug 21, 2014
    land that may be excluded from LEED project boundary....
    in MPR3: Must use a reasonable site boundary
    199 Michael Johnson
    Architect
    Chenevert Architects
    Wed, Aug 20, 2014
    Another "is it a roof or is it hardscape" inquiry
    in NC 2009 SSc7.2: Heat Island Effect—Roof
    261 Susan Di Giulio
    Project Manager
    Zinner Consultants
    Wed, Aug 20, 2014
    Performance Period and this credit
    in EBOM 2009 MRc6: Solid Waste Management—Waste Stream Audit
    82 Sara Zoumbaris
    Wed, Aug 20, 2014
    EAp1
    in NC v2.2 EAp1: Fundamental Commissioning of Building Energy Systems
    46 Donald Green
    Project Manager
    Sustainable Design Consulting, LLC
    Wed, Aug 20, 2014
    Outdoor air requirements in corridors
    in NC-2009 IEQp1: Minimum IAQ Performance
    782 Pedro Ribeiro
    Director of Sustainability
    Edifícios Saudáveis Consultores
    Wed, Aug 20, 2014
    Thresholds, Prerequisites, Lease Language, 10102
    in MPR2: Must be a complete, permanent building or space
    114 Katie Peterschmidt
    Associate Director, CORE Steward
    Cooper Carry
    Tue, Aug 19, 2014
    FTE calculation for a Dorm
    in PIf3: Occupant and Usage Data
    188 Nena Elise
    Tue, Aug 19, 2014
    Please update checklist above
    in NC 2009 IEQc1: Outdoor Air Delivery Monitoring
    240 Lyle Axelarris
    Civil/Structural Engineer, LEED AP BD+C, O+M
    Design Alaska
    Tue, Aug 19, 2014
    WEp1: Ice Machine - ENERGY STAR or performance equivalent?
    in CI-v4: Indoor water use reduction
    2 Graeme Smith
    Director
    MMoser Associates
    Tue, Aug 19, 2014
    Worst condition?
    in NC 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    268 Noriko Yasuhara
    CSR Design & Landscape Co., Ltd.
    Mon, Aug 18, 2014
    Title Comments Post date Most Recent Postsort icon Location
    Calculating Green Roof Area
    in Green Roofs
    20 John Piascik
    Landscape Architectural Design
    Barton Partners Architects and Planners
    Thu, Oct 2, 2014
    2014-10-02 09:55 United States
    Drop off spaces only
    in NC 2009 SSc7.1: Heat Island Effect—Nonroof
    236 Lewis Hewton
    Cundall
    Thu, Oct 2, 2014
    2014-10-02 03:32 Australia
    Adhesive- expansion joints
    in Schools IEQc4.1: Low-Emitting Materials—Adhesives and Sealants
    32 Stephanie Santiago
    Venegas Engineering Management & Construction Inc
    Wed, Oct 1, 2014
    2014-10-01 16:25 United States
    Potential ID Credit
    in NC 2009 IDc1: Innovation in Design
    530 Ashley Bertling
    Wed, Oct 1, 2014
    2014-10-01 11:06 United States
    LEED Design Review and Final Certification Proceedures
    in Start a New LEED Discussion Topic
    133 Susannah Goddard
    Wed, Oct 1, 2014
    2014-10-01 08:31 United Kingdom
    Credit 3.2 option 2
    in NC 2009 IEQc3.2: Construction Indoor Air Quality Management Plan—Before Occupancy
    251 Michael Schrantz
    Environmental Analytics
    Tue, Sep 30, 2014
    2014-09-30 13:57 United States
    Glazing specifications for existing building
    in CS 2009 EAp2: Minimum Energy Performance
    842 João Costa
    Engineer
    ETRIA
    Tue, Sep 30, 2014
    2014-09-30 11:01 Brazil
    LED lamps
    in EBOM-v4: Purchasing - lamps
    2 Karim Farah
    Sustainability Manager / USGBC Faculty
    Dar Al-Handasah
    Tue, Sep 30, 2014
    2014-09-30 09:18 Saudi Arabia
    Modeling Heat Reclaim in EAp2 v2009
    in NC 2009 EAp2: Minimum Energy Performance
    2,391 Mario S.
    Tue, Sep 30, 2014
    2014-09-30 02:17 Lebanon
    Fire Department Practice Burn
    in NC 2009 MRc2: Construction Waste Management
    334 Brian Leet
    Freeman French Freeman
    Mon, Sep 29, 2014
    2014-09-29 16:43 United States
    Site lighting calculations
    in CS 2009 EAp2: Minimum Energy Performance
    842 charles bell
    principal
    theGreenTeam, Inc.
    Mon, Sep 29, 2014
    2014-09-29 09:33 United States
    FTEs and Total Daily Uses for Showers
    in CI 2009 WEp1: Water Use Reduction—20% Reduction
    214 Rodrigo Gomez Junco
    LEED AP BD+C
    SINERGI Integrated Building Sciences, LLC
    Fri, Sep 26, 2014
    2014-09-26 13:07 Mexico
    Help, my process energy is greater than 25%
    in Completing the LEED Online EAp2 Form – Option 1: Whole Building Energy Simulation
    47 Amy Harmon
    Fri, Sep 26, 2014
    2014-09-26 09:23 United States
    Typical TSS measures from Sedum roofing
    in NC 2009 SSc6.2: Stormwater Design—Quality Control
    164 Andreas Soederberg
    Fri, Sep 26, 2014
    2014-09-26 04:03 Sweden
    WEp1 and c1: Indoor Water Use Reduction
    in CI-v4: Indoor water use reduction
    2 BEE Bisagni Environmental Enterprise
    Thu, Sep 25, 2014
    2014-09-25 23:45 China
    SSc4.3 Option 2: How long must charge stations be installed ?
    in NC 2009 SSc4.3: Alternative Transportation—Low-Emitting and Fuel-Efficient Vehicles
    351 Kimberlyn Caoagas
    Thu, Sep 25, 2014
    2014-09-25 15:16 United States
    FTE Consistency Pertaining to IEQp1
    in NC-2009 IEQp1: Minimum IAQ Performance
    782 Spencer Eldredge
    Associate Engineer
    Weston Solutions, Inc.
    Thu, Sep 25, 2014
    2014-09-25 14:49 United States
    Mixed feelings about numbering
    in Poll – Should LEED v4 Credits Have Numbers?
    3 Andres Schwarz
    Principal
    NRG-AR
    Thu, Sep 25, 2014
    2014-09-25 14:36 Argentina
    Need for consistent numbering system across all rating systems
    in Poll – Should LEED v4 Credits Have Numbers?
    3 Lyle Axelarris
    Civil/Structural Engineer, LEED AP BD+C, O+M
    Design Alaska
    Thu, Sep 25, 2014
    2014-09-25 14:21 United States
    Line of Site into Multi-Story Dorm & Ceiling Mounted Glazing
    in NC 2009 SSc8: Light Pollution Reduction
    547 Sara Zoumbaris
    Thu, Sep 25, 2014
    2014-09-25 13:40 United States

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