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: Occupancy Sensors and 9.4.1.1
    in NC 2009 EAp2: Minimum Energy Performance
    3,279 Marcus Sheffer
    LEED Fellow
    7group
    Fri, Feb 12, 2016
    LEED Selection - High Rise Residential
    in LEED Rating System Selection Q&A
    752 Curt Pascoe
    P.E., LEED AP BD+C
    Ryan Companies US, Inc.
    Fri, Feb 12, 2016
    United States
    RE: Single supply system
    in NC-v4: Minimum indoor air quality performance
    27 Gustavo De las Heras Izquierdo
    Arch. Eng. LEED AP BD+C; O+M
    Revitaliza Consultores
    Fri, Feb 12, 2016
    RE: Historic Building Cold Dark Shell
    in CS 2009 EAp2: Minimum Energy Performance
    1,018 Annalise Reichert
    LEED Project Coordinator
    Environmental Building Strategies
    Fri, Feb 12, 2016
    RE: Outside Mat
    in NC 2009 IEQc4.3: Low-Emitting Materials—Flooring Systems
    370 Waterset CDD
    CDD Manager
    Rizzetta and Co
    Fri, Feb 12, 2016
    United States
    RE: Off-Site Parking
    in NC 2009 SSc4.3: Alternative Transportation—Low-Emitting and Fuel-Efficient Vehicles
    435 Marilyn Specht
    Sustainability Consultant
    Integral Group
    Fri, Feb 12, 2016
    RE: Water Quality
    in CS-2009 SSc6.2: Stormwater Design—Quality Control
    29 Michael D. DeVuono
    Senior Staff Engineer
    T&M Associates
    Fri, Feb 12, 2016
    RE: dedicated exhaust
    in NC 2009 IEQc5: Indoor Chemical and Pollutant Source Control
    404 Dylan Connelly
    Mechanical Engineer
    Integral Group
    Fri, Feb 12, 2016
    RE: Alternative calculation for MRc2
    in NC 2009 MRc2: Construction Waste Management
    414 Marcia Weekes
    LEED Coordinator
    Ecostrategic Construction Solutions
    Fri, Feb 12, 2016
    RE: Commingled waste as one or multiple material streams?
    in NC-v4: Construction and demolition waste management
    16 Michelle Reott
    LEED AP® BD+C, ID+C, O+M, Managing Principal
    Earthly Ideas LLC, a LEED® Proven Provider™
    Fri, Feb 12, 2016
    RE: MR C5 Regional Materials Multiple components
    in NC 2009 MRc5: Regional Materials
    322 Brooke Robbins
    Fri, Feb 12, 2016
    Engineered Natural Ventilation with Ceiling Fan
    in NC-2009 IEQp1: Minimum IAQ Performance
    1,003 James Lee
    Thu, Feb 11, 2016
    RE: Museum Exhibit Lighting
    in NC 2009 EAc1: Optimize Energy Performance
    1,248 Christian Kaltreider
    Thu, Feb 11, 2016
    RE: Sound transmission for moveable partitions
    in NC-v4: Acoustic performance
    11 Daniel Hicks
    Daniel Hicks, E.I., INCE
    Geiler & Associates
    Thu, Feb 11, 2016
    RE: Attempting to return ceiling tiles from demo
    in CI 2009 MRc2: Construction Waste Management
    73 Michelle Reott
    LEED AP® BD+C, ID+C, O+M, Managing Principal
    Earthly Ideas LLC, a LEED® Proven Provider™
    Thu, Feb 11, 2016
    Title Comments Most Recent Post Location
    RE: Changes in site lighting fixtures due to Value Engineering
    in NC 2009 SSc8: Light Pollution Reduction
    613 Bill Swanson
    PE, LEED AP
    Integrated Architecture
    Thu, Feb 11, 2016
    Interior Cross-Contamination Prevention, Industrial Curtain Wall
    in CS v4: Enhanced indoor air quality strategies
    4 Lauren Baumann
    Vice President
    New Ecology, Inc.
    Thu, Feb 11, 2016
    United States
    RE: Enhanced Refrigerant Management - Purchased Cooling Loop
    in NC 2009 EAc4: Enhanced Refrigerant Management
    155 Jens Apel
    Thu, Feb 11, 2016
    Dormitory Project- Single Bedrooms like Private Offices
    in NC 2009 IEQc8.2: Daylight and Views—Views
    424 Emma Leonard
    Wed, Feb 10, 2016
    Low Emitting Materials Tracking Spreadsheet
    in Healthcare-v2009: Low-emitting materials
    58 Patrick Thibaudeau
    Vice President
    HGA Architects and Engineers
    Wed, Feb 10, 2016
    United States
    Parking for CI 2009 project - LEED project boundary
    in MPR3: Must use a reasonable site boundary
    1 Ronald Dean
    Sumac Inc.
    Wed, Feb 10, 2016
    United States
    RE: Open Space Accessibility
    in NC 2009 SSc5.2: Site Development—Maximize Open Space
    176 Cindy Estrada
    LEED AP BD&C
    SDS Architects, Inc.
    Wed, Feb 10, 2016
    US standard and red cross
    in NC-2009: Assessment and Planning for Resilience
    1 Yasuhito Koike
    LEED AP, Green Building Consultant
    Izumi System Planning
    Wed, Feb 10, 2016
    Japan
    Shower Flow Control Valve or Flow Regulator Washer
    in Schools 2009 WEp1: Water Use Reduction—20% Reduction
    41 Peter Doo
    President
    Doo Consulting, LLC
    Tue, Feb 9, 2016
    United States
    Successful CIR: Audio Tours as Green Education (Canada)
    in NC 2009 IDc1: Innovation in Design
    598 Jackie Kanyuk
    Tue, Feb 9, 2016
    RE: Amount of offset in multi tenanted building
    in EBOM 2009 EAc4: On-Site and Off-Site Renewable Energy
    110 Peter Doo
    President
    Doo Consulting, LLC
    Tue, Feb 9, 2016
    RE: ESC plan for major renovation of data center
    in NC-v4: Construction activity pollution prevention
    8 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Feb 9, 2016
    RE: electric transformer
    in NC-v4: Minimum energy performance
    62 Marcus Sheffer
    LEED Fellow
    7group
    Tue, Feb 9, 2016
    RE: Surrounding Density - Previously Developed Site
    in NC-v4: Surrounding density and diverse uses
    18 Kimberly Schlaepfer
    Sustainability Coordinator LEED AP O+M, BD+C
    YR&G
    Mon, Feb 8, 2016
    RE: Contaminated soil found during excavation.
    in CS 2009 SSc3: Brownfield Redevelopment
    10 Larry Sims
    Principal
    Studio4, LLC
    Mon, Feb 8, 2016
    cabinet millwork
    in NC 2009 MRc7: Certified Wood
    466 Joann Lee
    Heitman Architects Inc.
    Mon, Feb 8, 2016
    United States
    GBCI clarification
    in NC 2009 IEQc4.1: Low-Emitting Materials—Adhesives and Sealants
    483 Agata Mozer
    GO4IT SP Z OO SP K
    Mon, Feb 8, 2016
    EQ p3 - Garage Pollutant Protection
    in Mid-Rise v4: Garage pollutant protection
    1 Brendan Isard
    Mon, Feb 8, 2016
    Prohibit Smoking Signage in entrance of Parking and loading docs
    in EBOM 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    104 Mercè Llorca
    DEERNS, S.L.
    Mon, Feb 8, 2016
    Spain
    RE: Hazardous Gas or Chemical Definition / Resource?
    in CS 2009 IEQc5: Indoor Chemical and Pollutant Source Control
    102 Michelle Halle Stern
    LEED Fellow
    The Green Facilitator
    Fri, Feb 5, 2016
    Title Comments Most Recent Post Location
    RE: advanced buildings doc
    in Where can I find a copy of "Advanced Buildings: Energy Benchmark for High Performance Buildings (E-Benchmark)”?
    11 Mathieu Lévesque
    Mechanical engineer
    Pageau Morel et associés
    Thu, Nov 19, 2015
    LEED V3 2009 SSc3- Asbestos contamination
    in Asbestos removal
    3 Francis McNulty
    OCSC
    Fri, Nov 13, 2015
    RE: Role
    in LEED for Homes (LEED-H) Forum
    146 Asa Foss
    LEED for Homes Techincal Development
    US Green Building Council
    Mon, Nov 9, 2015
    RE: Free Certification
    in First-in-Country Projects to Get Free LEED Certification
    7 Saud Abdul Rasheed
    Mechanical/Sustainability Engineer, PMP, LEED AP BD+C, LEED AP O+M, Estidama PQP
    Mon, Nov 9, 2015
    RE: design vs construction credits
    in A New, More Accessible LEED Online for LEED v4
    12 Eric Thompson
    Architect
    NBBJ
    Tue, Oct 27, 2015
    RE: Correct spelling for Miranda
    in Congratulations 2015 LEED Fellows
    2 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Thu, Oct 22, 2015
    RE: Full support
    in USGBC Plans to Make LEED 2009 Stricter on Energy
    2 Suzanne Painter-Supplee, LEED AP+ID&C
    Director, Consultant Sales
    Vollrath
    Fri, Oct 23, 2015
    New Construction vs. Major Renovation
    in Major Renovation - Definition
    3 Curtis Clark
    Director of Sustainability Services
    GSBS Architects
    Tue, Oct 20, 2015
    RE: CARB and ECO-Certified
    in New Rules for Formaldehyde in IEQc4.4
    9 Nick _
    Architect, LEED AP
    Tue, Oct 20, 2015
    RE: Innovation Award
    in Announcing the LEEDuser Innovation Award
    4 Neil Rosen
    Director of Sustainable Development
    North Shore LIJ Health System
    Mon, Oct 12, 2015
    United States
    RE: Congrats Paula!
    in Why I’m About to Fail the New, Harder LEED v4 AP Exam
    10 PAULA HERNANDEZ
    MRS.
    INGENIERO MARIO PEDRO HERNANDEZ
    Mon, Sep 21, 2015
    RE: Do parking garages need to be included in the LEED project?
    in LEED Certifications for Parking Garages No Longer Allowed
    16 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE
    Wed, Sep 16, 2015
    RE: LEED credit achievement
    in Credit Achievement Tally
    2 Kathryn West
    LEED AP BD+C, O+M, Green Globes Professional, Guiding Principles Compliance Professional
    JLL
    Fri, Sep 4, 2015
    RE: elevator question
    in Attaining credits through advanced elevator technology?
    7 Dustin Campbell
    Sustainability Analyst
    ETC Group
    Thu, Aug 27, 2015
    new chiller plant to be added with new project
    in New District Energy Guidance for LEED Released by USGBC
    68 Mike Stopka
    Director of Sustainability
    Solomon Cordwell Buenz
    Mon, Aug 10, 2015
    RE: LEED AP BD+C V4 EXAM in one month!
    in 10 Tips for Passing the LEED Green Associate Exam
    68 Paula Melton
    Senior Editor
    BuildingGreen, Inc.
    Mon, Aug 10, 2015
    How FINAL is the Appeal?
    in Review Appeal
    37 Mary Kay
    Project Coordinator
    Gray Construction
    Wed, Jul 8, 2015
    United States
    RE: Legacy LEED AP's
    in Experience Requirement Loosened for LEED v4 AP Exam
    18 Bill Swanson
    PE, LEED AP
    Integrated Architecture
    Thu, Jul 2, 2015
    RE: LEED Volume Program - Submittal Guidance
    in Forum for LEED Volume Program Certification
    11 Michelle Cottrell
    President
    Design Management Services
    Thu, Jun 18, 2015
    RE: share energy and water usage
    in CS v3 - Appendix 4 - Tenant Lease or Sales Agreement
    28 Andrey Kuznetsov
    Green Building and Sustainability Consultant (LEED AP BD+C)
    Signy Group
    Fri, May 22, 2015
    Title Comments Most Recent Post Location
    GBCI clarification
    in NC 2009 IEQc4.1: Low-Emitting Materials—Adhesives and Sealants
    483 Agata Mozer
    GO4IT SP Z OO SP K
    Mon, Feb 8, 2016
    EQ p3 - Garage Pollutant Protection
    in Mid-Rise v4: Garage pollutant protection
    1 Brendan Isard
    Mon, Feb 8, 2016
    Prohibit Smoking Signage in entrance of Parking and loading docs
    in EBOM 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    104 Mercè Llorca
    DEERNS, S.L.
    Mon, Feb 8, 2016
    Spain
    EQpc78
    in Pilot Credit 78: Design for active occupants
    99 Mark Meaders
    Sustainable Leader
    HDR, Inc.
    Thu, Feb 4, 2016
    Reduced Mercury Content
    in CI 2009 IDc1: Innovation in Design
    160 Lou Niles
    Sustainability / LEED Specialist
    LPA, Inc.
    Thu, Feb 4, 2016
    United States
    WEpc10
    in Pilot Credit 10: Sustainable Wastewater Management
    62 Mark Meaders
    Sustainable Leader
    HDR, Inc.
    Thu, Feb 4, 2016
    Enhanced Commissioning - Final Upload
    in CS v4: Fundamental commissioning and verification
    1 John Fingleton
    Thu, Feb 4, 2016
    Ireland
    Green Globes CIEB Technical Reference Manual?
    in Green Globes Q&A
    10 Welcome !
    Thu, Feb 4, 2016
    United States
    Plants recommended for semi extensive green roof
    in Understanding the Cost of LEED-NC Project Certification
    81 Ghazanfar B Ahmed
    Partner
    Technica Building Solutions
    Thu, Feb 4, 2016
    Pakistan
    Erosion and Sedimentation Mesures dunring demolition
    in CS v4: Construction activity pollution prevention
    1 Anaïs Péaud
    ARTELIA
    Wed, Feb 3, 2016
    LEED Selection - High Rise Residential
    in LEED Rating System Selection Q&A
    752 Curt Pascoe
    P.E., LEED AP BD+C
    Ryan Companies US, Inc.
    Wed, Feb 3, 2016
    United States
    storage of rain water
    in NC-v4: Outdoor water use reduction
    18 Francesco Passerini
    engineer
    Wed, Feb 3, 2016
    Italy
    Construction and Demolition Waste Management - Credit Calculator
    in CI-v4: Construction and demolition waste management
    1 Dipti Talwar
    Sr. Project Manager
    Environmental Design Solutions Pvt Ltd
    Wed, Feb 3, 2016
    India
    Exemplary Performance
    in NC 2009 SSc7.1: Heat Island Effect—Nonroof
    280 Allen Cornett
    Sustainable Consultant
    INSPEC Sustainability Group LLC
    Tue, Feb 2, 2016
    United States
    RE: Wet Applied Products Volume
    in NC-v4: Low emitting materials
    160 Michelle Halle Stern
    LEED Fellow
    The Green Facilitator
    Tue, Feb 2, 2016
    Hotel Blower Door testing
    in Air Sealing Guidance for LEED D&C IEQp2
    3 Susan Di Giulio
    Project Manager
    Zinner Consultants
    Mon, Feb 1, 2016
    United States
    Functional entryway of project
    in CS v4: Access to quality transit
    2 Alanna Torres
    EBI Consulting
    Mon, Feb 1, 2016
    United States
    RE: Occupancy Sensors and 9.4.1.1
    in NC 2009 EAp2: Minimum Energy Performance
    3,279 Marcus Sheffer
    LEED Fellow
    7group
    Fri, Jan 29, 2016
    RE: Sea water exchanger heat pump, considere as renewable energy ?
    in NC 2009 EAc2: On-Site Renewable Energy
    235 Marcus Sheffer
    LEED Fellow
    7group
    Fri, Jan 29, 2016
    France
    RE: Calculation method
    in CS 2009 EAc2: On-Site Renewable Energy
    83 Marcus Sheffer
    LEED Fellow
    7group
    Fri, Jan 29, 2016
    Title Comments Post date Most Recent Postsort icon Location
    US standard and red cross
    in NC-2009: Assessment and Planning for Resilience
    1 Yasuhito Koike
    LEED AP, Green Building Consultant
    Izumi System Planning
    Wed, Feb 10, 2016
    2016-02-10 04:25 Japan
    Shower Flow Control Valve or Flow Regulator Washer
    in Schools 2009 WEp1: Water Use Reduction—20% Reduction
    41 Peter Doo
    President
    Doo Consulting, LLC
    Tue, Feb 9, 2016
    2016-02-09 17:46 United States
    Successful CIR: Audio Tours as Green Education (Canada)
    in NC 2009 IDc1: Innovation in Design
    598 Jackie Kanyuk
    Tue, Feb 9, 2016
    2016-02-09 15:54 Canada
    Erosion and Sedimentation Measures during demolition
    in NC-v4: Construction activity pollution prevention
    8 Anaïs Péaud
    ARTELIA
    Tue, Feb 9, 2016
    2016-02-09 10:49 France
    electric transformer
    in NC-v4: Minimum energy performance
    62 R2M Solution Srl
    R2M Solution Srl
    Tue, Feb 9, 2016
    2016-02-09 10:20 Italy
    LEED CS 2009 Update from october 2010
    in LEED Rating System Selection Q&A
    752 Valentin Grimaud
    Thermal Engineer
    TERAO Green Building Engineering
    Tue, Feb 9, 2016
    2016-02-09 09:48 France
    CHP Plant Electricity Generation Credit and Efficiency Calcs
    in NC 2009 EAc1: Optimize Energy Performance
    1,248 MKK LEED
    Mon, Feb 8, 2016
    2016-02-08 18:06 United States
    Minimum Benefit to Achieve ID Credits
    in LEED Canada Forum
    53 Aaron Smith
    Mechanical Engineer
    M & R Engineering
    Mon, Feb 8, 2016
    2016-02-08 14:02 Canada
    cabinet millwork
    in NC 2009 MRc7: Certified Wood
    466 Joann Lee
    Heitman Architects Inc.
    Mon, Feb 8, 2016
    2016-02-08 11:21 United States
    dedicated exhaust
    in NC 2009 IEQc5: Indoor Chemical and Pollutant Source Control
    404 Agata Mozer
    GO4IT SP Z OO SP K
    Mon, Feb 8, 2016
    2016-02-08 06:51 Poland
    Contaminated soil found during excavation.
    in CS 2009 SSc3: Brownfield Redevelopment
    10 Martin Meehan
    Principal
    Meehan Associates
    Mon, Feb 8, 2016
    2016-02-08 06:40 Ireland
    Prohibit Smoking Signage in entrance of Parking and loading docs
    in EBOM 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    104 Mercè Llorca
    DEERNS, S.L.
    Mon, Feb 8, 2016
    2016-02-08 06:09 Spain
    Hazardous Gas or Chemical Definition / Resource?
    in CS 2009 IEQc5: Indoor Chemical and Pollutant Source Control
    102 Maggie Hogan Skaug
    Thu, Feb 4, 2016
    2016-02-04 13:58 United States
    Reduced Mercury Content
    in CI 2009 IDc1: Innovation in Design
    160 Lou Niles
    Sustainability / LEED Specialist
    LPA, Inc.
    Thu, Feb 4, 2016
    2016-02-04 12:30 United States
    Enhanced Commissioning - Final Upload
    in CS v4: Fundamental commissioning and verification
    1 John Fingleton
    Thu, Feb 4, 2016
    2016-02-04 10:47 Ireland
    Green Globes CIEB Technical Reference Manual?
    in Green Globes Q&A
    10 Welcome !
    Thu, Feb 4, 2016
    2016-02-04 09:44 United States
    Process Energy Exceptional Calculation
    in NC 2009 EAp2: Minimum Energy Performance
    3,279 Ghaith Moufarege
    Thu, Feb 4, 2016
    2016-02-04 09:37 Lebanon
    Plants recommended for semi extensive green roof
    in Understanding the Cost of LEED-NC Project Certification
    81 Ghazanfar B Ahmed
    Partner
    Technica Building Solutions
    Thu, Feb 4, 2016
    2016-02-04 09:12 Pakistan
    Recert vs. new Cert
    in Recertification
    62 Jessica Hawley
    Sustainability Consultant
    EBI Consulting
    Wed, Feb 3, 2016
    2016-02-03 11:45 United States
    Light in open 3 story mezzanines
    in NC 2009 IEQc8.1: Daylight and Views—Daylight
    684 Elliot Young
    Designer
    Rinkachung Architecture
    Wed, Feb 3, 2016
    2016-02-03 10:50 United States

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