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 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
    Weekly Log
    in EBOM-v4: Water metering
    1 Kristina Pobre
    Architect
    Thu, Jul 28, 2016
    Philippines
    RE: Greenguard
    in NC 2009 IEQc4.4: Low-Emitting Materials—Composite Wood and Agrifiber Products
    218 Melissa Merryweather
    Director
    Green Consult-Asia
    Thu, Jul 28, 2016
    RE: a question about DES option 1
    in CS-2009 EAc3: Enhanced Commissioning
    49 Scott Bowman
    LEED Fellow
    Integrated Design + Energy Advisors, LLC
    Wed, Jul 27, 2016
    RE: Required Documentation: All Projects for Site Management credit
    in EBOM-v4: Site management
    7 Samantha Longshore
    Sustainability Advisor
    Transwestern
    Wed, Jul 27, 2016
    RE: Using pre-existing conditions as oppposed to existing conditions
    in CS 2009 SSc6.1: Stormwater Design—Quantity Control
    43 Michael D. DeVuono
    Senior Staff Engineer
    T&M Associates
    Wed, Jul 27, 2016
    RE: Process Loads
    in NC 2009 EAp2: Minimum Energy Performance
    3,613 Marcus Sheffer
    LEED Fellow
    7group
    Wed, Jul 27, 2016
    RE: Thermal Barrier Tape and EPD
    in NC-v4: Building product disclosure and optimization - environmental product declarations
    55 Paula Melton
    Senior Editor
    BuildingGreen, Inc.
    Wed, Jul 27, 2016
    United States
    RE: waste generated from new construction
    in Mid-Rise v4: Construction waste management
    4 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Wed, Jul 27, 2016
    RE: Credit compliance in elevator halls
    in NC 2009 IEQc7.1: Thermal Comfort—Design
    258 Gabriela Crespo
    CxA, LEED AP BD+C, O+M
    Revitaliza Consultores
    Wed, Jul 27, 2016
    Mexico
    RE: Ventilation and filteration for Staircase for Feature 64
    in WELL Building Standard Discussion Forum
    27 John Mlade
    Senior Sustainability Manager
    YR&G
    Wed, Jul 27, 2016
    RE: Building Area Method - highlighting merchandise
    in CS 2009 EAp2: Minimum Energy Performance
    1,097 Marcus Sheffer
    LEED Fellow
    7group
    Wed, Jul 27, 2016
    IEQp1&c2 Documentation
    in CI-2009 IEQp1: Minimum IAQ Performance
    158 Ed Healy
    ESD Consultant
    hurleypalmerflatt
    Wed, Jul 27, 2016
    United Kingdom
    RE: Ongoing commissioning when follow EA c2.1- option 2
    in EBOM 2009 EAc2.3: Existing Building Commissioning—Ongoing Commissioning
    42 David Edenburn
    ESD Consultant
    Commtech Asia
    Tue, Jul 26, 2016
    RE: VOC limts and basement parking
    in NC 2009 IEQc4.2: Low-Emitting Materials—Paints and Coatings
    528 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE
    Tue, Jul 26, 2016
    RE: Div 12 Environmental Info
    in NC-2009: Environmentally preferable interior finishes and furnishings
    32 Landry Watson
    DPR Construction
    Tue, Jul 26, 2016
    United States
    Title Comments Most Recent Post Location
    Data Center in Portfolio Manager
    in Data Centers-EBOM-v4: Minimum energy performance
    1 Charalampos Giannikopoulos
    Senior Sustainability Consultant
    DCarbon
    Wed, Mar 18, 2015
    RE: Air quality testing for targeted chemicals
    in Homes-v4: Contaminant control
    2 Russ Pellegrino
    Technical Director
    Centek Laboratories, LLC
    Thu, Nov 13, 2014
    ventilation flow rate
    in CI 2009 IEQc2: Increased Ventilation
    11 ilkyaz ceren güçlü
    civil engineer
    SPC Solutions
    Wed, Dec 30, 2015
    Turkey
    RE: LEED Online Form
    in Healthcare-v4: Low emitting materials
    3 Susan Walter
    Specifications Director
    Populous
    Thu, Nov 6, 2014
    RE: IEQp1 100% OA AHU and Valance units Comment
    in Schools-2009 IEQp1: Minimum IAQ Performance
    21 John Burnett
    FAC-LEEDership
    Wed, Dec 30, 2015
    CMU as regional materials
    in Homes-v2008: Environmentally preferable products
    3 Benjie Herrera
    LEED AP BD+C ,Homes,IDC,OM
    Sat, Nov 1, 2014
    IEQc4 uploads
    in Schools IEQc4.1: Low-Emitting Materials—Adhesives and Sealants
    34 Shivani Langer
    Project Architect/LEED administrator
    Stantec
    Fri, Oct 31, 2014
    United States
    LEED-H Water Use
    in Homes-v2008: Indoor water use
    1 Robyn Vettraino
    President
    verde
    Wed, Oct 29, 2014
    United States
    NCv4 IEQc9 Acoustics - Hospitality
    in Hospitality-NC-v4: Acoustic performance
    1 Tyra Sorensen
    Mon, Oct 20, 2014
    Borrowing credits from other rating systems
    in CI-v4: Innovation
    1 Breck Baird
    Architect
    SmithGroupJJR
    Fri, Oct 17, 2014
    RE: regulalry occupied in DCs
    in Data Centers-NC-v4: Daylight
    2 Jill Dalglish, PE
    Senior Engineer
    Dalglish Daylighting
    Thu, Oct 16, 2014
    24 Hour Retail
    in Retail–NC-v2009: Light pollution reduction
    1 Daniel Zaneto
    MMA Architects
    Wed, Oct 15, 2014
    RE: Survey for Sixth Graders
    in Schools 2009 IEQc7.2: Thermal Comfort—Verification
    13 Matthew Heaton
    Fri, Oct 10, 2014
    United States
    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: Speciality
    in EBOM-v4: LEED Accredited Professional
    6 SoYoung Lee
    LEED AP BD+C
    Director, HnC
    Mon, Sep 29, 2014
    RE: Proposed uses
    in ND-v2009: Mixed-use neighborhood centers
    11 Eliot Allen
    LEED AP-ND, Principal
    Criterion Planners
    Sun, Sep 28, 2014
    RE: Resample Air Quality Test
    in NC v2.2 EQc3.2: Construction Indoor Air Quality Management Plan—Before Occupancy
    153 Russ Pellegrino
    Technical Director
    Centek Laboratories, LLC
    Tue, Mar 22, 2016
    RE: Including Gyms in Regularly Occupied Spaces
    in Schools 2009 IEQc8.2: Daylight and Views—Views
    65 Todd Reed
    Daylight Designer
    7group
    Thu, Sep 25, 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
    Title Comments Most Recent Post Location
    upgrading to LEED 2012 and fees
    in Project Registration
    1 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Aug 3, 2010
    Hopefully eliminating the CBs will raise the quality of reviews
    in Clarification overkill
    1 Nadav Malin
    USGBC LEED Faculty, President
    BuildingGreen, Inc.
    Mon, Aug 2, 2010
    RE: RE: residential high rise: leed rating system selection
    in residential high rise: leed rating system selection
    4 stefano sani
    Fri, Jul 30, 2010
    a good thing but not a LEED thing
    in Possible points for reducing project scope?
    1 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Thu, Jul 29, 2010
    RE: KEMA Services
    in Recommendations for companies that perform ASHRAE Level I Energy Audit around the Sacramento area?
    2 Andy Rhoades
    Partner
    Leading Edge Consulting
    Tue, Jul 27, 2010
    RE: good question
    in credit stats
    2 Natesan Seshagiri
    Architect
    Tue, Jul 27, 2010
    EBOM changes explored in more depth
    in July 2010 LEED Addenda Published by USGBC
    17 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Jul 27, 2010
    RE: Construction phase
    in Changes after Design Submittal
    2 Scott Bowman
    LEED Fellow
    Integrated Design + Energy Advisors, LLC
    Tue, Jul 27, 2010
    RE: Manufactured Offices?
    in ASHRAE 90.1- 2.3
    2 Jun Hashimoto
    RLA, LEED-AP
    Mon, Jul 26, 2010
    RE: Length of construction project
    in EBOM or NC? When is it too late to utilize the NC rating system?
    2 Thomas Boyd
    MEP Construction Manager
    Tonn and Blank Construction, LLC
    Sat, Jul 24, 2010
    RE: Also, fees...
    in Switching from NC to EB
    2 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Sat, Jul 24, 2010
    RE: LEED for Healthcare date
    in Healthcare
    4 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Sat, Jul 24, 2010
    looking for this in LEED Reference Guides
    in MRc4 Referenced Standards : FTC vs. ISO
    1 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Sat, Jul 24, 2010
    From the current FAQ located
    in About Regional Priority Credits
    1 Tim Rogers
    Architect/Designer
    The Clark Enersen Partners
    Wed, Jul 21, 2010
    Energy Plus or EQuest - by Billy Ng
    Fri, Jul 23, 2010
    New Unlocked LEED Checklists from USGBC - by Tristan Roberts
    Mon, Jul 19, 2010
    ERB-approved
    in How to get certified to teach a CEU?
    1 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Mon, Jul 19, 2010
    Chris- both you and the owner
    in Energy Star Portfolio Manager
    1 Allison Beer McKenzie
    Architect, Director of Sustainability
    SHP Leading Design
    Fri, Jul 16, 2010
    check with GBCI
    in Vertically Attached Building
    1 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Mon, Jul 12, 2010
    work under IDc1
    in Construction Waste Management
    1 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Mon, Jul 12, 2010
    Title Comments Most Recent Post Location
    RE: LEED PC 66 Community Contaminant Prevention
    in Pilot Credit 66: Community Contaminant Prevention—Airborne Releases
    18 Kristi Ennis
    Boulder Associates Architects
    Thu, Jan 29, 2015
    RE: Option 2 IAQ Testing - Schedule
    in CI 2009 IEQc3.2: Construction IAQ Management Plan—Before Occupancy
    72 Akos Brandecker
    Sustainability Manager
    ISG
    Tue, Jan 27, 2015
    RE: Credit compliance in elevator halls
    in NC 2009 IEQc7.1: Thermal Comfort—Design
    258 Gabriela Crespo
    CxA, LEED AP BD+C, O+M
    Revitaliza Consultores
    Tue, Jan 27, 2015
    Mexico
    Site Management Policy
    in NC-2009: LEED O+M Starter Kit
    1 Kelsey Jensen
    Mon, Jan 26, 2015
    United States
    RE: is this PC still open?
    in Pilot Credit 29: Housing & Jobs Proximity
    24 Batya Metalitz
    Technical Director, LEED
    USGBC
    Fri, Jan 23, 2015
    IEQp1&c2 Documentation
    in CI-2009 IEQp1: Minimum IAQ Performance
    158 Ed Healy
    ESD Consultant
    hurleypalmerflatt
    Fri, Jan 23, 2015
    United Kingdom
    Equipment Baseline
    in Pilot Credit 3: Medical and Process Equipment Efficiency
    26 Lucy Williams
    Principal
    Lucy C. Williams, Architect
    Thu, Jan 22, 2015
    United States
    LEED V4 - TENANT SPACE ENERGY MODELING
    in Retail-CI-v4: Minimum energy performance
    5 PAULA HERNANDEZ
    MRS.
    INGENIERO MARIO PEDRO HERNANDEZ
    Thu, Jan 22, 2015
    RE: Success with LCA option?
    in NC-v4: Building life-cycle impact reduction
    59 Dirk Kestner
    Principal
    Walter P Moore
    Thu, Jan 22, 2015
    require future tenant?
    in MPR6: Must commit to sharing whole-building energy and water usage data
    1 Courtney Royal, LEED AP BD+C
    Sr. Sustainability Consultant
    Taitem Engineering
    Wed, Jan 21, 2015
    Plastic Sheeting to Protect Raised Technical Floor
    in CS 2009 IEQc3: Construction IAQ Management Plan—During Construction
    31 Ian McCall
    Environmental Engineer
    Tue, Jan 20, 2015
    France
    new LEED Online forum
    in LEED 2009 Projects Getting Upgraded to New LEED Online
    26 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Mon, Jan 19, 2015
    Pilot Credit 74: EQ – No environmental tobacco smoke
    in Homes-v2008: No environmental tobacco smoke
    1 Jonathan Lindstrom
    Project Manager
    Kramer Marks Architects
    Mon, Jan 19, 2015
    United States
    Pilot Credit 71: EA – Performance of ENERGY STAR for Homes
    in Homes-v2008: Performance of ENERGY STAR for Homes
    1 Jonathan Lindstrom
    Project Manager
    Kramer Marks Architects
    Mon, Jan 19, 2015
    United States
    Pilot Credit 47: EQ – Acoustic Comfort
    in Homes-v2008: Acoustic comfort
    1 Jonathan Lindstrom
    Project Manager
    Kramer Marks Architects
    Mon, Jan 19, 2015
    United States
    MRpc34 Design for Adaptability
    in Homes-v2008: Design for adaptability
    1 Jonathan Lindstrom
    Project Manager
    Kramer Marks Architects
    Mon, Jan 19, 2015
    United States
    please post to a SPECIFIC LEEDuser forum
    in PIf1: Minimum Program Requirements
    16 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Mon, Jan 19, 2015
    Master's Research Survey
    in NC-2009: Construction and demolition waste management
    13 Vibha Pai
    Student
    University of Cincinnati
    Thu, Jan 15, 2015
    United States
    LEED O&M on a portion of a building
    in EBOM-v4: Must comply with project size requirements
    4 LEED Pro Consultant
    Bioconstruccion & Energia Alternativa
    Wed, Jan 14, 2015
    Mexico
    Metered energy data
    in EBOM-v4: Optimize energy performance
    1 LEED Pro Consultant
    Bioconstruccion & Energia Alternativa
    Wed, Jan 14, 2015
    Title Comments Post date Most Recent Postsort icon Location
    Providing dedicated area for mercury-containing products?
    in Healthcare-v2009: PBT source reduction - mercury
    13 Richard Barlow
    Dir. of Sustainability
    MHAworks
    Mon, Feb 22, 2016
    2016-02-22 10:37 United States
    IPpc93
    in CS 2009 IDc1: Innovation in Design
    64 Belén Valladares López
    Mrs
    Valladares Ingenieria
    Mon, Feb 22, 2016
    2016-02-22 09:23 Spain
    indoor irrigation
    in NC-v4: Outdoor water use reduction
    23 R2M Solution Srl
    R2M Solution Srl
    Mon, Feb 22, 2016
    2016-02-22 08:16 Italy
    Negative value of Monthly Landscape water requirement?
    in NC-v4: Outdoor water use reduction
    27 R2M Solution Srl
    R2M Solution Srl
    Mon, Feb 22, 2016
    2016-02-22 07:38 Italy
    PU Foam Insulation - Emission Test ISO16000-11
    in NC-v4: Low emitting materials
    197 Jovelyn Lagunday
    Sun, Feb 21, 2016
    2016-02-21 15:27 United Arab Emirates
    Option B for a reception area in a massive office tower lobby
    in NC 2009 IEQc8.1: Daylight and Views—Daylight
    741 Elliot Young
    Designer
    Rinkachung Architecture
    Fri, Feb 19, 2016
    2016-02-19 19:00 United States
    monitoring
    in NC-v4: Minimum indoor air quality performance
    44 R2M Solution Srl
    R2M Solution Srl
    Fri, Feb 19, 2016
    2016-02-19 15:22 Italy
    No parking place
    in NC 2009 SSc4.4: Alternative Transportation—Parking Capacity
    354 Alejandro Macias
    Fri, Feb 19, 2016
    2016-02-19 14:46 Mexico
    Furniture Only?
    in NC-2009: Environmentally preferable interior finishes and furnishings
    32 Lida Lewis
    Director of Sustainability
    OTJ Architects
    Fri, Feb 19, 2016
    2016-02-19 12:53 United States
    Cycle network, paths?
    in NC-v4: Bicycle facilities
    41 Karen Elliott
    LEED AP ID+C & BD+C
    Ecoteric Ltd
    Fri, Feb 19, 2016
    2016-02-19 12:15 United Kingdom
    Interior Ligting - Combination of Option 1 and Option 2
    in NC 2009 SSc8: Light Pollution Reduction
    636 Jiri Dobias
    Fri, Feb 19, 2016
    2016-02-19 09:05 Belgium
    Ecotect Daylight Autonomy and Insolation levels Analysis
    in NC-v4: Daylight
    47 Isabel Santos
    S+A Green Lab
    Fri, Feb 19, 2016
    2016-02-19 06:24 Portugal
    EA Prerequisite 2
    in CI 2009 EAp2: Minimum Energy Performance
    539 Poorva Keskar
    Fri, Feb 19, 2016
    2016-02-19 02:37 India
    School as a Teaching Tool and Green Education
    in NC 2009 IDc1: Innovation in Design
    611 emily reese
    Sustainability Consultant / Facility Planner
    Jacobs Engineering
    Thu, Feb 18, 2016
    2016-02-18 15:35 United States
    Shower with autocontrol
    in CS 2009 WEp1: Water Use Reduction—20% Reduction
    219 Belén Valladares López
    Mrs
    Valladares Ingenieria
    Thu, Feb 18, 2016
    2016-02-18 13:29 Spain
    Captured and Conveyed to on-site retention areas
    in NC 2009 SSc6.1: Stormwater Design—Quantity Control
    282 Bridget Brock
    Huitt-Zollars Morris
    Thu, Feb 18, 2016
    2016-02-18 13:28 United States
    Two Commissioning Agency
    in NC 2009 EAp1: Fundamental Commissioning of Building Energy Systems
    331 Steve Valev
    Thu, Feb 18, 2016
    2016-02-18 12:12 United States
    Senior Care/Assisted Living Facilities
    in NC 2009 EAp2: Minimum Energy Performance
    3,613 Carrie Webster
    Moseley Architects
    Thu, Feb 18, 2016
    2016-02-18 11:01 United States
    Transients for complex occupancy
    in PIf3: Occupant and Usage Data
    280 David Browne
    Architect
    CRA & Associates, Inc.
    Wed, Feb 17, 2016
    2016-02-17 17:30 United States
    Retail in a large building
    in Retail–CI-v2009: On-site renewable energy
    10 Maria Isabel Conde
    Owner
    Aqua Terra (Panama) S.A.
    Wed, Feb 17, 2016
    2016-02-17 17:12 Panama

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