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: LEED v4 Registration Delay a Mistake
    in LEED 2009 Registration Extended to October 2016
    58 Barry Giles
    Founder & CEO, LEED Fellow
    BuildingWise LLC
    Sat, Nov 1, 2014
    RE: Energy saving in the hot water system with low flow fixture
    in CS 2009 EAp2: Minimum Energy Performance
    870 Panupant Phapant
    SCG Cement - Building Materials Co.,Ltd.
    Sat, Nov 1, 2014
    RE: More Info on Program is Needed
    in USGBC Rolls Out LEED Dynamic Plaque, Amid Debate
    34 Kathryn West
    LEED AP BD+C, O+M, Green Globes Professional, Guiding Principles Compliance Professional
    Energy Ace
    Fri, Oct 31, 2014
    Discount for FTE
    in CS 2009 SSc4.3: Alternative Transportation—Low-Emitting and Fuel-Efficient Vehicles
    85 Michael E. Edmonds-Bauer
    Edmonds International
    Fri, Oct 31, 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
    RE: Requirements for Copy/Printer Rooms
    in CS 2009 IEQc5: Indoor Chemical and Pollutant Source Control
    88 Michelle Halle Stern
    LEED Fellow
    The Green Facilitator
    Fri, Oct 31, 2014
    Flush-Out Path 2 - Weekend Run-Hours Required?
    in CI 2009 IEQc3.2: Construction IAQ Management Plan—Before Occupancy
    65 Charles Marino
    Energy Engineer
    AKF Group, LLC
    Fri, Oct 31, 2014
    United States
    RE: High School Campus With No New Parking
    in CI 2009 SSc3.3: Alternative Transportation—Parking Availability
    125 Michelle Rosenberger
    Partner
    ArchEcology, LLC
    Fri, Oct 31, 2014
    SS CR 1 - Site Selection
    in CI 2009 SSc1: Site Selection
    202 Harsharan Kaur
    Fri, Oct 31, 2014
    Baseline System configuration for mixed use condominium
    in NC 2009 EAp2: Minimum Energy Performance
    2,447 Jason Biondi
    Managing Director
    Energy Cost Solutions Group
    Fri, Oct 31, 2014
    RE: Road runs through site
    in NC 2009 SSc8: Light Pollution Reduction
    559 Glenn Heinmiller
    IALD, LC, LEED AP, Principal
    Lam Partners
    Fri, Oct 31, 2014
    RE: Perimeter Controls
    in NC 2009 SSp1: Construction Activity Pollution Prevention
    219 Michael DeVuono
    Senior Staff Designer
    T&M Associates
    Thu, Oct 30, 2014
    RE: IEQp1:Heating mode
    in NC-2009 IEQp1: Minimum IAQ Performance
    815 Stella Stella
    Thu, Oct 30, 2014
    Use of greywater
    in Pilot Credit 10: Sustainable Wastewater Management
    56 Noriko Yasuhara
    Woonerf Inc.
    Thu, Oct 30, 2014
    Japan
    Classification of handsinks
    in CS 2009 WEc1: Water Efficient Landscaping
    60 Sean Blaevoet
    Junior Designer
    Guttmann & Blaevoet Consulting Engineers
    Thu, Oct 30, 2014
    United States
    Title Comments Most Recent Post Location
    RE: Active controls and thermal control
    in CI 2009 EAc1.3: Optimize Energy Performance—HVAC
    324 Terry Schroeder
    Senior Project Engineer
    Whitman, Requardt & Associates, LLP
    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
    Long Term Service Contract
    in NC 2009 EAc4: Enhanced Refrigerant Management
    105 E H
    Sustainability Architect
    Mon, Oct 13, 2014
    India
    RE: Calculating "Other USGBC approved multi-attribute cert" products
    in NC-2009: Environmentally preferable interior finishes and furnishings
    19 Karen Schlesinger
    Mon, Oct 13, 2014
    RE: Medical gas system - part of fundamental commissioning?
    in NC 2009 EAp1: Fundamental Commissioning of Building Energy Systems
    261 Scott Bowman
    LEED Fellow
    Integrated Design + Energy Advisors, LLC
    Mon, Oct 13, 2014
    RE: 5-year lease + Letter of commitment for another 5 year extension
    in CI 2009 MRc1.1: Tenant Space—Long-Term Commitment
    36 Ameet AA
    Mon, Oct 13, 2014
    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
    RE: On-site waste water treatment
    in NC-v4: Indoor water use reduction
    4 Lorne Mlotek
    LEED AP BD+C
    LeadingGREEN
    Sun, Oct 12, 2014
    Determining Core & Shell electricity usage from Energy Model
    in CS 2009 EAc6: Green Power
    69 Michelle Robinson
    Re:Vision Architecture
    Sat, Oct 11, 2014
    Multiple Points for One RPC
    in NC 2009 RPc1: Regional Priority
    39 Suzanne Johnson
    Design Manager
    Hensel Phelps
    Fri, Oct 10, 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
    RE: 0% credit achievement rate?
    in CS 2009 EAc5.2: Measurement and Verification—Tenant Submetering
    81 Marcus Sheffer
    LEED Fellow
    7group
    Fri, Oct 10, 2014
    62MZ calculator in version 4 LEED
    in NC-v4: Minimum indoor air quality performance
    6 BEE Bisagni Environmental Enterprise
    Thu, Oct 9, 2014
    Pilot credit # 45
    in Pilot Credit 45: Site Assessment
    16 Devani PERERA
    Green Building Consultant
    ELAN
    Thu, Oct 9, 2014
    France
    Limited LEED CI boundary
    in MPR2: Must be a complete, permanent building or space
    4 Kevin Wilcox
    Thu, Oct 9, 2014
    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
    Title Comments Most Recent Post Location
    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
    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
    Title Comments Most Recent Post Location
    RE: Achievable or not
    in Healthcare-v2009: Community contaminant prevention - airborne releases
    14 Mara Baum
    Healthcare Sustainable Design Leader, LEED Fellow
    HOK
    Fri, Oct 3, 2014
    Number of bus stops and bus lines required
    in NC 2009 SSc4.1: Alternative Transportation—Public Transportation Access
    205 Sarah Lavalliere
    Thu, Oct 2, 2014
    Canada
    Lighting Controls in Jewelry Store
    in Retail–CI-v2009: Optimize energy performance - lighting controls
    5 Luke Wild
    Thu, Oct 2, 2014
    United States
    Calculating Green Roof Area
    in Green Roofs
    21 John Piascik
    Landscape Architectural Design
    Barton Partners Architects and Planners
    Thu, Oct 2, 2014
    United States
    University Building - Weekend Trips
    in NC-v4: Access to quality transit
    4 Michelle DiPenti
    Project Coordinator
    HDR, Inc.
    Wed, Oct 1, 2014
    RE: Integrated Design...
    in LEED for Healthcare: Lessons Learned
    6 Susan Walter
    Sr Project Architect
    Wilmot/Sanz
    Tue, Sep 30, 2014
    Number of bus stops and bus lines required
    in NC 2009 SSc4.1: Alternative Transportation—Public Transportation Access
    205 Sarah Lavalliere
    Mon, Sep 29, 2014
    Canada
    Hi. Can some one from the
    in NC 2009 IDc2: LEED Accredited Professional
    45 Neetika Parmar
    Sun, Sep 28, 2014
    RE: Medical Center MRI, CT Scan Rooms
    in NC 2009 IEQc8.1: Daylight and Views—Daylight
    636 Todd Reed
    Daylight Designer
    7group
    Fri, Sep 26, 2014
    Task Lighting
    in EBOM-v4: Interior lighting
    1 Katie Raymond
    Sustainability Project Manager
    DTZ
    Fri, Sep 26, 2014
    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
    Mexico
    WEp1 and c1: Indoor Water Use Reduction
    in CI-v4: Indoor water use reduction
    2 BEE Bisagni Environmental Enterprise
    Thu, Sep 25, 2014
    China
    Combined Density
    in NC-v4: Surrounding density and diverse uses
    3 Charalampos Giannikopoulos
    Thu, Sep 25, 2014
    RE: Need for consistent numbering system across all rating systems
    in Poll – Should LEED v4 Credits Have Numbers?
    3 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE ∙ Sustainability ∙ Construction ∙ Specifications
    Thu, Sep 25, 2014
    RE: Drop off spaces only
    in NC 2009 SSc7.1: Heat Island Effect—Nonroof
    238 Crissy Tsai
    Sustainability Coordinator
    Webcor Builders
    Thu, Sep 25, 2014
    Short-term bicycle
    in NC-v4: Bicycle facilities
    6 Flavia Marques
    Ramboll
    Thu, Sep 25, 2014
    Qatar
    25ft of entrace located near corner of building
    in EBOM 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    94 Mary Grace Wong
    Miss
    Wed, Sep 24, 2014
    Canada
    RE: IEQp1:Heating mode
    in NC-2009 IEQp1: Minimum IAQ Performance
    815 Stella Stella
    Wed, Sep 24, 2014
    RE: What if only 2 of 3 stairwells meet daylighting requirement?
    in Pilot Credit 78: Design for active occupants
    32 Lee Altman
    NYC Department of Design and Construction
    Wed, Sep 24, 2014
    RE: Weighted Males/Females in FTE calc...
    in NC 2009 WEc3: Water Use Reduction
    110 Jennifer Perdue
    Wed, Sep 24, 2014
    Title Comments Post date Most Recent Postsort icon Location
    External Lightning Exceptions
    in NC 2009 EAp2: Minimum Energy Performance
    2,447 Ivan Souza
    Sustainability Consultancy Services
    Cushman & Wakefield
    Tue, Oct 14, 2014
    2014-10-14 06:30 Brazil
    Error - ours or v5 form
    in EBOM 2009 IEQp1: Minimum Indoor Air Quality Performance
    328 Michael Smithing
    Director - Green Building Advisory
    Colliers International
    Tue, Oct 14, 2014
    2014-10-14 04:31 Bulgaria
    Returned wooden pallets
    in NC 2009 MRc2: Construction Waste Management
    344 Lisa Nilles
    Walker Construction
    Mon, Oct 13, 2014
    2014-10-13 17:44 United States
    Actual Material Cost vs. Material Cost: what's the difference?
    in NC 2009 MRc4: Recycled Content
    489 Marcio Alberto Casado Pereira
    Mon, Oct 13, 2014
    2014-10-13 15:51 Brazil
    Masonry Flash Mastic
    in NC 2009 IEQc4.1: Low-Emitting Materials—Adhesives and Sealants
    401 Chris Moore
    Touchstone CPM, Inc.
    Mon, Oct 13, 2014
    2014-10-13 15:31 United States
    Pilot vs v4 Demand Response - Full Automation
    in Pilot Credit 8: Demand Response
    30 Jennifer Wehling
    Director of Sustainability
    Lionakis
    Mon, Oct 13, 2014
    2014-10-13 15:25 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
    2014-10-13 13:52 United States
    Long Term Service Contract
    in NC 2009 EAc4: Enhanced Refrigerant Management
    105 E H
    Sustainability Architect
    Mon, Oct 13, 2014
    2014-10-13 13:40 India
    Regularly Occupied Spaces
    in PIf3: Occupant and Usage Data
    196 Lauren Bellamy
    Mon, Oct 13, 2014
    2014-10-13 13:08 United States
    calculation of material cost
    in NC 2009 MRc5: Regional Materials
    260 Doreen Kruschina
    Doreen Kruschina Planung+Baumanagement
    Mon, Oct 13, 2014
    2014-10-13 12:07 Germany
    Time Setpoint No Met & Setback Temperatures
    in NC 2009 EAp2: Minimum Energy Performance
    2,447 Ivan Souza
    Sustainability Consultancy Services
    Cushman & Wakefield
    Mon, Oct 13, 2014
    2014-10-13 09:52 Brazil
    DCV vs IEQp1
    in NC-2009 IEQp1: Minimum IAQ Performance
    815 Ivan Souza
    Sustainability Consultancy Services
    Cushman & Wakefield
    Mon, Oct 13, 2014
    2014-10-13 09:41 Brazil
    Stadium seating - need SRI? Is it an appurtenance/usable space?
    in NC 2009 SSc7.2: Heat Island Effect—Roof
    267 Marcio Alberto Casado Pereira
    Mon, Oct 13, 2014
    2014-10-13 09:36 Brazil
    Medical gas system - part of fundamental commissioning?
    in NC 2009 EAp1: Fundamental Commissioning of Building Energy Systems
    261 Veronika Sundberg
    Environmental Engineer - Certification
    Skanska Sverige AB
    Mon, Oct 13, 2014
    2014-10-13 07:08 Sweden
    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
    2014-10-12 21:16 United States
    Multiple Points for One RPC
    in NC 2009 RPc1: Regional Priority
    39 Suzanne Johnson
    Design Manager
    Hensel Phelps
    Fri, Oct 10, 2014
    2014-10-10 16:53 United States
    Addition To An Existing Certified Building
    in MPR2: Must be a complete, permanent building or space
    120 Timothy VanOudenhoven
    Fri, Oct 10, 2014
    2014-10-10 16:38 United States
    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
    2014-10-10 14:55 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
    2014-10-10 11:51 Portugal
    Multi-purpose unit for 4-pipe systems
    in NC 2009 EAp2: Minimum Energy Performance
    2,447 Francesco Passerini
    engineer
    leedme.it
    Fri, Oct 10, 2014
    2014-10-10 11:30 Italy

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