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
    RE: Exemplary Performance Over 95% Diverted
    in NC-v4: Construction and demolition waste management
    34 Michelle Reott
    LEED AP® BD+C, ID+C, O+M, Managing Principal
    Earthly Ideas LLC, a LEED® Proven Provider™
    Sun, Sep 25, 2016
    RE: EQc5 & Fume Hoods
    in NC 2009 IEQc5: Indoor Chemical and Pollutant Source Control
    449 Michelle Halle Stern
    LEED Fellow
    The Green Facilitator
    Sun, Sep 25, 2016
    porcelain flooring Tiles
    in NC 2009 IEQc4.3: Low-Emitting Materials—Flooring Systems
    411 SOHA YAMANI
    Sun, Sep 25, 2016
    RE: LCA Part A4 and A5 – Transport to site and Construction installa
    in NC-v4: Building life-cycle impact reduction
    74 Panu Pasanen
    CEO
    Bionova / One Click LCA
    Sun, Sep 25, 2016
    Elevator Shaft and Stairwell included in gsf for Occupancy?
    in PIf3: Occupant and Usage Data
    283 Charles Nepps
    Charles Nepps Consulting
    Sat, Sep 24, 2016
    RE: Counting RECs Towards EAc1
    in NC 2009 EAc1: Optimize Energy Performance
    1,303 Waleed AlGhamdi
    Energy Analyst
    Karpman Consulting
    Fri, Sep 23, 2016
    United States
    RECs or Carbon Offsets and prices
    in NC-v4: Green power and carbon offsets
    20 Francis Hernandez
    Design / Build Coordinator
    Caddell Construction Co. (DE), LLC
    Fri, Sep 23, 2016
    RE: v4 BD+C Licensed Professional Exemption
    in Licensed Professional Exemption
    21 Eric Anderson
    Fri, Sep 23, 2016
    RE: Fan power in conditioned space
    in NC 2009 EAp2: Minimum Energy Performance
    3,751 Marcus Sheffer
    LEED Fellow
    7group
    Fri, Sep 23, 2016
    RE: ISO versus ASHRAE Option
    in NC-v4: Thermal comfort
    18 Steven Burke
    Sustainability Manager
    SMMA
    Fri, Sep 23, 2016
    RE: Definition of main entrance
    in NC-v4: Bicycle facilities
    48 Marilyn Specht
    Sustainability Consultant
    Integral Group
    Fri, Sep 23, 2016
    RE: NC Tenant Guideline Requirement
    in CS 2009 SSc9: Tenant Design and Construction Guidelines
    52 Summer Minchew
    LEED AP ID+C, O+M
    Ecoimpact Consulting
    Fri, Sep 23, 2016
    RE: ECB vs Appendix G
    in CI 2009 EAc1.3: Optimize Energy Performance—HVAC
    441 Marcus Sheffer
    LEED Fellow
    7group
    Fri, Sep 23, 2016
    RE: Emergency Power
    in CS 2009 EAc5.1: Measurement and Verification—Base Building
    125 Marcus Sheffer
    LEED Fellow
    7group
    Fri, Sep 23, 2016
    RE: Demand Control Ventilation
    in NC-v4: Minimum energy performance
    136 Marcus Sheffer
    LEED Fellow
    7group
    Fri, Sep 23, 2016
    Title Comments Most Recent Post Location
    Do ruderal vegetation areas count as vegetated areas or roof
    in CS 2009 SSc5.2: Site Development—Maximize Open Space
    54 Paul Deinhofer
    MSc
    Schöberl & Pöll GmbH
    Wed, Sep 21, 2016
    Austria
    RE: Evidences for thermal comfort in commercial kitchen
    in NC 2009 IEQc7.1: Thermal Comfort—Design
    260 Christopher Schaffner
    Principal & Founder
    The Green Engineer, Inc.
    Wed, Sep 21, 2016
    Successful Option 4 with Zipcar?
    in NC 2009 SSc4.3: Alternative Transportation—Low-Emitting and Fuel-Efficient Vehicles
    465 Geoffrey Brock
    Sustainability Director - Construction
    Lendlease
    Wed, Sep 21, 2016
    United States
    RE: Laundry Chemical
    in EBOM-v4: Green cleaning - products and materials
    10 VISHESH AGARWAL
    Wed, Sep 21, 2016
    India
    Medical Equipment Energy Consumption Reporting
    in Healthcare-v2009: Minimum energy performance
    11 MURAT DOĞRU
    GREEN BUILDING EXPERT
    ECOBUILD
    Wed, Sep 21, 2016
    Option 2 Air Testing- Measuring VOCs
    in NC-v4: Indoor air quality assessment
    10 Helene Gotthelf
    Projects Manager
    Institute for the Built Environment
    Wed, Sep 21, 2016
    United States
    Water Fountains in an Urban Setting
    in NC 2009 SSc5.2: Site Development—Maximize Open Space
    192 Douglas Snyder
    Principal
    DS Greenbuild LLC
    Tue, Sep 20, 2016
    Vietnam
    RE: Material Calculator
    in NC 2009 MRc4: Recycled Content
    620 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE
    Tue, Sep 20, 2016
    RE: Parking Capacity - Police Station
    in NC 2009 SSc4.4: Alternative Transportation—Parking Capacity
    356 Marilyn Specht
    Sustainability Consultant
    Integral Group
    Tue, Sep 20, 2016
    supplier and products UF
    in NC 2009 IEQc4.4: Low-Emitting Materials—Composite Wood and Agrifiber Products
    222 Jose Antonio Kovacevic
    efizity spa
    Tue, Sep 20, 2016
    Peru
    RE: Showers?
    in CS v4: Bicycle facilities
    2 Marilyn Specht
    Sustainability Consultant
    Integral Group
    Tue, Sep 20, 2016
    RE: Achieving this credit in a Shopping mall?
    in CS 2009 IEQc6: Controllability of Systems—Thermal Comfort
    40 Lauren Sparandara
    Sustainability Manager
    Google
    Tue, Sep 20, 2016
    RE: Solar Reflectance of Porous Playground Paving Materials
    in NC-v4: Heat island reduction
    25 Summer Minchew
    LEED AP ID+C, O+M
    Ecoimpact Consulting
    Tue, Sep 20, 2016
    RE: Required templates/surveys/worksheets and what else?
    in NC-2009: Assessment and Planning for Resilience
    9 Mary Ann Lazarus
    Principal
    MALeco
    Tue, Sep 20, 2016
    RE: HOTEL Project Default Occupation
    in PIf3: Occupant and Usage Data
    29 Kristina Bach
    Sustainability Specialist
    HGA Architects and Engineers
    Tue, Sep 20, 2016
    RE: Outdoor Airflow Rates in HVAC system exceptions
    in CS 2009 EAp2: Minimum Energy Performance
    1,128 Martin K
    Tue, Sep 20, 2016
    RE: manufacturer statement - lack of exact numbers
    in NC 2009 MRc5: Regional Materials
    343 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE
    Tue, Sep 20, 2016
    RE: Dwelling Units/Residential definition for ventilation
    in NC-v4: Minimum indoor air quality performance
    54 R2M Solution Srl
    R2M Solution Srl
    Mon, Sep 19, 2016
    Italy
    RE: Appendix G Oversizing
    in CS 2009 EAc1: Optimize Energy Performance
    323 Marcus Sheffer
    LEED Fellow
    7group
    Mon, Sep 19, 2016
    RE: Counted interstions within the project boundary?
    in ND-v2009: Connected and open community
    39 Raymond Salfiti
    Managing Director
    G
    Mon, Sep 19, 2016
    Title Comments Most Recent Post Location
    Default Occupancy for a Health Club
    in Calculating FTEs
    208 PAULA HERNANDEZ
    MRS.
    INGENIERO MARIO PEDRO HERNANDEZ
    Fri, Jun 3, 2016
    Argentina
    RE: GBCI policy on deferring appeal
    in Defer a Design Phase Appeal
    2 Karen Elliott
    LEED AP ID+C & BD+C
    Ecoteric Ltd
    Fri, Jun 3, 2016
    new ACP featuring Dynamic Plaque
    in USGBC Rolls Out LEED Dynamic Plaque, Amid Debate
    37 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, May 24, 2016
    new Alternative Compliance Path
    in Discuss the LEED Dynamic Plaque
    5 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, May 24, 2016
    RE: elevator question
    in Attaining credits through advanced elevator technology?
    8 michelle bombeck
    Project Associate
    O'Brien & Company
    Fri, May 20, 2016
    RE: LEED Dynamic Plaque vs EB Recertification
    in LEED for Existing Buildings Recertification Is Here
    15 Bharati Karmarkar Bhosale
    Operations Manager
    Healthy Buildings
    Thu, May 19, 2016
    RE: precerticfiation
    in LEED-CS v3 Precertification
    39 deborah lucking
    associate
    fentress architects
    Fri, May 6, 2016
    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.
    Sun, Apr 10, 2016
    new LEED Online forum
    in leedonline.com access - is it possible???
    19 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Sun, Apr 10, 2016
    new forum for LEED Online updates
    in Living with LEED Online - quirks, bugs and hiccups
    138 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Sun, Apr 10, 2016
    RE: The cost of Certification
    in LEED for Healthcare forum - LEED-HC users welcome!
    128 PAULA HERNANDEZ
    MRS.
    INGENIERO MARIO PEDRO HERNANDEZ
    Wed, Apr 6, 2016
    Argentina
    LEED ND Review options
    in What’s New in LEED for Neighborhood Development v4
    4 SOHA YAMANI
    Wed, Mar 30, 2016
    Egypt
    RE: Performance Period Extension, Post-Reviewer's Comments
    in Performance Period
    57 Trista Little
    Sustainability Manager
    YR&G
    Thu, Mar 24, 2016
    RE: should an aerobics area be multi-occupant for IEQc6.2?
    in LEED IEQ Space Matrix - Frequently Asked Questions
    45 Lauren Sparandara
    Sustainability Manager
    Google
    Wed, Mar 23, 2016
    Multiple Building HVAC system
    in Campus and Multiple Buildings Approach
    4 PAULA HERNANDEZ
    MRS.
    INGENIERO MARIO PEDRO HERNANDEZ
    Tue, Mar 22, 2016
    Argentina
    Submitting for a CIR or LEED Interpretation
    in USGBC's New LEED Interpretations Similar to Old Precedent-Setting CIRs
    30 deborah lucking
    associate
    fentress architects
    Thu, Mar 3, 2016
    United States
    RE: Recert vs. new Cert
    in Recertification
    64 Barry Giles
    Founder & CEO, LEED Fellow, BREEAM Fellow
    BuildingWise LLC
    Tue, Mar 1, 2016
    Re-Appeal for a data center
    in Review Appeal
    38 Ed Healy
    ESD Consultant
    hurleypalmerflatt
    Wed, Feb 17, 2016
    Green Globes CIEB Technical Reference Manual?
    in Green Globes Q&A
    10 Albert Minton
    SENSAIRE SERVICES LLC
    Thu, Feb 4, 2016
    United States
    RE: Credit Complance/Justification in Spanish
    in Spain
    2 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Jan 19, 2016
    Title Comments Most Recent Post Location
    Elevator Shaft and Stairwell included in gsf for Occupancy?
    in PIf3: Occupant and Usage Data
    283 Charles Nepps
    Charles Nepps Consulting
    Thu, Sep 15, 2016
    Combination of Survey/Tracking
    in EBOM 2009 SSc4: Alternative Commuting Transportation
    317 Jason Cocek
    Wed, Sep 14, 2016
    RE: Horizzontally attached bldg addition to Non Certified building
    in MPR2: Must be a complete, permanent building or space
    217 Eric Bautista
    Managing Consultant, LEED™ AP (BD+C Specialty)
    EB Project Management
    Wed, Sep 14, 2016
    MASS DEP LCCA
    in Schools-2009: Lead Risk Reduction
    1 Cynthia Kaplan
    Principal
    cmk LEED
    Tue, Sep 13, 2016
    United States
    Slab on grade and concrete piers
    in NC-2009 MRc1.1: Building Reuse—Maintain Existing Walls, Floors and Roof
    110 David Browne
    Architect
    CRA Associates, Inc.
    Tue, Sep 13, 2016
    United States
    Outdoor water use to water mirrors in roof
    in CS v4: Outdoor water use reduction
    1 Tobias Berge
    Department manager
    Sweco
    Tue, Sep 13, 2016
    Sweden
    Campus Project Guidance
    in Schools-NC-v4: Bicycle facilities
    1 Philippa Cameron
    Architect
    CH2M
    Sun, Sep 11, 2016
    Structure and Enclosure
    in NC-v4: Building product disclosure and optimization - material ingredients
    40 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE
    Sat, Sep 10, 2016
    smoking on private balconies
    in NC-v4: Environmental tobacco smoke control
    5 Andreas Hintz
    LEED AP (BD+C), BREEAM In-Use Auditor, DGNB Auditor
    ikl GmbH
    Fri, Sep 9, 2016
    Germany
    Use of existing on site tree
    in NC-2009: Legal Wood
    14 Dustin Davis
    Associate
    Polk Stanley Wilcox Architects
    Thu, Sep 8, 2016
    United States
    Use of existing on site tree
    in NC-2009: Legal Wood
    14 Dustin Davis
    Associate
    Polk Stanley Wilcox Architects
    Thu, Sep 8, 2016
    United States
    Applicable spec divisions for MRc3
    in Healthcare-v2009: Sustainably sourced materials and products
    75 Chris Sanders
    Thu, Sep 8, 2016
    United States
    Lighting steps vs on/off
    in CI-v4: Minimum energy performance
    11 Jorge López de Obeso
    Architect / Environmental adviser
    EA Energia y Arquitectura
    Wed, Sep 7, 2016
    If you are already meeting SS c8...
    in Pilot Credit 55: Bird Collision Deterrence
    47 Cynthia Kaplan
    Principal
    cmk LEED
    Tue, Sep 6, 2016
    United States
    Hardscape for exterior wall pool deck
    in EBOM 2009 SSc7.1: Heat Island Reduction—Nonroof
    55 Karla Chavez
    GBI Tile and Stone
    Tue, Sep 6, 2016
    United States
    Bioretention Area Calculation
    in NC-v4: Rainwater management
    88 Reema Nagpal
    Green Building Coordinator
    DES Architects + Engineers
    Tue, Sep 6, 2016
    Compliance for Existing Site Features
    in Pilot Credit 14: Walkable Streets
    132 Vicki Rybl
    Energy Engineer
    RDK Engineers
    Tue, Sep 6, 2016
    United States
    site boundary questions
    in MPR3: Must use a reasonable site boundary
    238 Marcia Gibson
    Architect
    Chenevert Architects
    Tue, Sep 6, 2016
    Sample Documentation
    in NC 2009 SSc7.1: Heat Island Effect—Nonroof
    301 Ernesto Agco
    HVAC Engineer
    WestRim
    Tue, Sep 6, 2016
    Philippines
    LEED SSc7.1 Heat Island Effect - Nonroof
    in NC-v4: LEED for Neighborhood Development location
    10 Ernesto Agco
    HVAC Engineer
    WestRim
    Tue, Sep 6, 2016
    Title Comments Post date Most Recent Postsort icon Location
    Flush Out for "During Occupancy" Case of a Major Renovation proj
    in NC-v4: Indoor air quality assessment
    10 Shabari Shaily
    ecocentric cc
    Mon, Sep 19, 2016
    2016-09-19 09:15 South Africa
    Ventilation as Process Load
    in NC 2009 EAp2: Minimum Energy Performance
    3,751 Pedro Ribeiro
    Director of Sustainability
    Edifícios Saudáveis Consultores
    Mon, Sep 19, 2016
    2016-09-19 04:53 Portugal
    VOCs from treated wood used inside the weatherproofing
    in NC 2009 IEQc4.2: Low-Emitting Materials—Paints and Coatings
    543 debra lombard
    sustainable design consulatnt & construction administrator
    Bywater Woodworks, Inc.
    Fri, Sep 16, 2016
    2016-09-16 14:10 United States
    Solar Reflectance of Porous Playground Paving Materials
    in NC-v4: Heat island reduction
    25 Steven Burke
    Sustainability Manager
    SMMA
    Fri, Sep 16, 2016
    2016-09-16 10:35 United States
    Table Plf3-2. vs. Table Plf3-3
    in PIf3: Occupant and Usage Data
    283 Michael Kennedy
    Architect
    Clark Nexsen Architecture & Engineering
    Thu, Sep 15, 2016
    2016-09-15 17:05 United States
    Evidences for thermal comfort in commercial kitchen
    in NC 2009 IEQc7.1: Thermal Comfort—Design
    260 Pedro Ribeiro
    Director of Sustainability
    Edifícios Saudáveis Consultores
    Thu, Sep 15, 2016
    2016-09-15 12:44 Portugal
    Combination of Survey/Tracking
    in EBOM 2009 SSc4: Alternative Commuting Transportation
    317 Jason Cocek
    Wed, Sep 14, 2016
    2016-09-14 15:33 United States
    Showers?
    in CS v4: Bicycle facilities
    2 Sara Johansson
    LEED® AP O+M
    Sweco Systems
    Wed, Sep 14, 2016
    2016-09-14 10:11 Sweden
    HOTEL Project Default Occupation
    in PIf3: Occupant and Usage Data
    29 Amanda Johnson
    Penicaud Green Building
    Wed, Sep 14, 2016
    2016-09-14 08:32 France
    dB & STC
    in NC-v4: Acoustic performance
    14 Helena Garcia
    Bioconstruction
    Green Building Management
    Wed, Sep 14, 2016
    2016-09-14 06:28 Spain
    Shared Project Boundaries
    in NC 2009 SSc8: Light Pollution Reduction
    638 Ezra Gutschow
    Tue, Sep 13, 2016
    2016-09-13 19:56 United States
    Registration by Owner or Consultant?
    in PIf2: Project Summary Details
    249 Monica Ramos
    Tue, Sep 13, 2016
    2016-09-13 18:50 Peru
    MASS DEP LCCA
    in Schools-2009: Lead Risk Reduction
    1 Cynthia Kaplan
    Principal
    cmk LEED
    Tue, Sep 13, 2016
    2016-09-13 17:01 United States
    Energy Modeling Licensure
    in NC 2009 EAp2: Minimum Energy Performance
    3,751 Nathan Echtenkamp
    MEP Project Manager
    The Beck Group
    Tue, Sep 13, 2016
    2016-09-13 14:36 United States
    Slab on grade and concrete piers
    in NC-2009 MRc1.1: Building Reuse—Maintain Existing Walls, Floors and Roof
    110 David Browne
    Architect
    CRA Associates, Inc.
    Tue, Sep 13, 2016
    2016-09-13 12:37 United States
    Outdoor water use to water mirrors in roof
    in CS v4: Outdoor water use reduction
    1 Tobias Berge
    Department manager
    Sweco
    Tue, Sep 13, 2016
    2016-09-13 09:28 Sweden
    EPA registered chemicals and new UL equivalent of CCD 146
    in EBOM 2009 IEQc3.3: Green Cleaning—Purchase of Sustainable Cleaning Products and Materials
    155 Pablo Fortunato Suarez
    Principal ESD Consultant/Architect
    GreenArc Sustainable Building & Architecture
    Mon, Sep 12, 2016
    2016-09-12 01:04 Philippines
    Zone adjust in residential project
    in CS 2009 EAp2: Minimum Energy Performance
    1,128 Panupant Phapant
    SCG Cement - Building Materials Co.,Ltd.
    Sun, Sep 11, 2016
    2016-09-11 23:46 Thailand
    Option 1: Limited Turf Area
    in EBOM-v4: Site management
    10 Stephanie Donovan
    Fri, Sep 9, 2016
    2016-09-09 19:07 United States
    NC Tenant Guideline Requirement
    in CS 2009 SSc9: Tenant Design and Construction Guidelines
    52 Martha Norbeck
    President
    C-Wise Design and Consulting LLC
    Fri, Sep 9, 2016
    2016-09-09 17:04 United States

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