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
    LEED CI - HVAC Syatem selection and Fan power Modeling
    in CI 2009 EAc1.3: Optimize Energy Performance—HVAC
    435 SAMY Chamy
    Enginneer
    T&T Green
    Wed, Aug 24, 2016
    RE: Post- industrial Recycled content in Ceramic Tiles
    in NC 2009 MRc4: Recycled Content
    618 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE
    Wed, Aug 24, 2016
    non smoking hotel rooms
    in NC 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    320 Noriko Yasuhara
    Woonerf Inc.
    Wed, Aug 24, 2016
    Projects in Europe may use the values defined by EU standards?
    in CI 2009 WEp1: Water Use Reduction—20% Reduction
    250 Michael Smithing
    Director - Green Building Advisory
    Colliers International
    Wed, Aug 24, 2016
    Open Plan office served by 4 AHUs
    in CI-2009 IEQp1: Minimum IAQ Performance
    160 Michael Wahjudi
    ESD Consultant
    Kaer Pte Ltd
    Tue, Aug 23, 2016
    Singapore
    RE: Using Chilled Water Pump similar to ASHRAE 90.1
    in NC 2009 EAp2: Minimum Energy Performance
    3,688 Michael Wahjudi
    ESD Consultant
    Kaer Pte Ltd
    Tue, Aug 23, 2016
    Singapore
    RE: High Rise Residential with mixed mode ventilation
    in NC-v4: Minimum indoor air quality performance
    50 Nancy Henderson
    Managing Partner
    ArchEcology
    Tue, Aug 23, 2016
    United States
    RE: ULEF documentation and LEED Online form
    in CI 2009 IEQc4.4: Low-Emitting Materials—Composite Wood and Agrifiber Products
    55 Erica Downs
    Sustainability & LEED Consultant
    Tue, Aug 23, 2016
    United States
    RE: A material with zero VOC content
    in NC 2009 IEQc4.1: Low-Emitting Materials—Adhesives and Sealants
    508 John-David Hutchison, LEED AP BD+C, PMP
    Sustainability Consultant
    CSV Architects
    Tue, Aug 23, 2016
    RE: ULEF documentation and LEED Online form
    in NC 2009 IEQc4.4: Low-Emitting Materials—Composite Wood and Agrifiber Products
    221 Erica Downs
    Sustainability & LEED Consultant
    Tue, Aug 23, 2016
    United States
    Does base building performance now impact CI performance?
    in CI-v4: Minimum energy performance
    10 Kristopher Baker
    Syska Hennessy
    Tue, Aug 23, 2016
    RE: n/a
    in Pilot Credit 55: Bird Collision Deterrence
    46 Lourdes Salinas
    THREE Consultoría Medioambiental
    Tue, Aug 23, 2016
    RE: Construction and Demolition Waste Management - Credit Calculator
    in CI-v4: Construction and demolition waste management
    3 Michelle Reott
    LEED AP® BD+C, ID+C, O+M, Managing Principal
    Earthly Ideas LLC, a LEED® Proven Provider™
    Tue, Aug 23, 2016
    RE: Heat Island Reduction
    in EBOM-v4: Heat island reduction
    8 Samantha Longshore
    Sustainability Advisor
    Transwestern
    Tue, Aug 23, 2016
    RE: Normalizaiton
    in EBOM-v4: Minimum energy performance
    47 David Hubka
    Director - Operations
    Transwestern Sustainability Services
    Tue, Aug 23, 2016
    Title Comments Most Recent Post Location
    LEED CI - HVAC Syatem selection and Fan power Modeling
    in CI 2009 EAc1.3: Optimize Energy Performance—HVAC
    435 SAMY Chamy
    Enginneer
    T&T Green
    Wed, Aug 24, 2016
    RE: Post- industrial Recycled content in Ceramic Tiles
    in NC 2009 MRc4: Recycled Content
    618 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE
    Wed, Aug 24, 2016
    non smoking hotel rooms
    in NC 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    320 Noriko Yasuhara
    Woonerf Inc.
    Wed, Aug 24, 2016
    Projects in Europe may use the values defined by EU standards?
    in CI 2009 WEp1: Water Use Reduction—20% Reduction
    250 Michael Smithing
    Director - Green Building Advisory
    Colliers International
    Wed, Aug 24, 2016
    Open Plan office served by 4 AHUs
    in CI-2009 IEQp1: Minimum IAQ Performance
    160 Michael Wahjudi
    ESD Consultant
    Kaer Pte Ltd
    Tue, Aug 23, 2016
    Singapore
    RE: Using Chilled Water Pump similar to ASHRAE 90.1
    in NC 2009 EAp2: Minimum Energy Performance
    3,688 Michael Wahjudi
    ESD Consultant
    Kaer Pte Ltd
    Tue, Aug 23, 2016
    Singapore
    RE: High Rise Residential with mixed mode ventilation
    in NC-v4: Minimum indoor air quality performance
    50 Nancy Henderson
    Managing Partner
    ArchEcology
    Tue, Aug 23, 2016
    United States
    RE: ULEF documentation and LEED Online form
    in CI 2009 IEQc4.4: Low-Emitting Materials—Composite Wood and Agrifiber Products
    55 Erica Downs
    Sustainability & LEED Consultant
    Tue, Aug 23, 2016
    United States
    RE: A material with zero VOC content
    in NC 2009 IEQc4.1: Low-Emitting Materials—Adhesives and Sealants
    508 John-David Hutchison, LEED AP BD+C, PMP
    Sustainability Consultant
    CSV Architects
    Tue, Aug 23, 2016
    RE: ULEF documentation and LEED Online form
    in NC 2009 IEQc4.4: Low-Emitting Materials—Composite Wood and Agrifiber Products
    221 Erica Downs
    Sustainability & LEED Consultant
    Tue, Aug 23, 2016
    United States
    Does base building performance now impact CI performance?
    in CI-v4: Minimum energy performance
    10 Kristopher Baker
    Syska Hennessy
    Tue, Aug 23, 2016
    RE: n/a
    in Pilot Credit 55: Bird Collision Deterrence
    46 Lourdes Salinas
    THREE Consultoría Medioambiental
    Tue, Aug 23, 2016
    RE: Construction and Demolition Waste Management - Credit Calculator
    in CI-v4: Construction and demolition waste management
    3 Michelle Reott
    LEED AP® BD+C, ID+C, O+M, Managing Principal
    Earthly Ideas LLC, a LEED® Proven Provider™
    Tue, Aug 23, 2016
    RE: Heat Island Reduction
    in EBOM-v4: Heat island reduction
    8 Samantha Longshore
    Sustainability Advisor
    Transwestern
    Tue, Aug 23, 2016
    RE: Normalizaiton
    in EBOM-v4: Minimum energy performance
    47 David Hubka
    Director - Operations
    Transwestern Sustainability Services
    Tue, Aug 23, 2016
    RE: Excellent Modeling Guide
    in NC-v4: Minimum energy performance
    130 Francesco Passerini
    engineer
    Tue, Aug 23, 2016
    RE: Typical items types for typical office
    in NC 2009 MRc6: Rapidly Renewable Materials
    54 Yusuf Turab
    Managing Director
    Y T Enterprises
    Tue, Aug 23, 2016
    RE: control of PIU fans for System 8
    in CS 2009 EAp2: Minimum Energy Performance
    1,107 Marcus Sheffer
    LEED Fellow
    7group
    Mon, Aug 22, 2016
    RE: Lr value for refrigerant calculations
    in NC 2009 EAc4: Enhanced Refrigerant Management
    161 David Hubka
    Director - Operations
    Transwestern Sustainability Services
    Mon, Aug 22, 2016
    How is an area/square footage assigned to a tree?
    in NC 2009 WEc1: Water Efficient Landscaping
    457 Tricia Loe
    Sustainable Concepts
    Mon, Aug 22, 2016
    United States
    Title Comments Most Recent Post Location
    RE: Denied prerequisite
    in LEED Reviews: LEED Online, Appeals, Design/Construction Submittals, and more
    828 Charalampos Giannikopoulos
    Senior Sustainability Consultant
    DCarbon
    Thu, Aug 18, 2016
    High-rise Residences: NC or C&S?
    in LEED Rating System Selection Q&A
    794 Maria Isabel Conde
    Owner
    Aqua Terra (Panama) S.A.
    Wed, Aug 17, 2016
    RE: WELL Building Credits used for LEED ID Credit
    in WELL Building Standard Discussion Forum
    35 Michael Munn
    Assistant Project Manager, LEED AP BD+C, WELL AP
    The Green Engineer, Inc.
    Wed, Aug 10, 2016
    RE: Energy Star compliant attic access doors
    in LEED for Homes (LEED-H) Forum
    159 Brett Little
    Executive Director
    GreenHome Institute
    Tue, Aug 2, 2016
    RE: *sensationalism alert*!
    in Does LEED v4 Ban PVC?
    12 joel longstreth
    Marketing Manager
    brentwood plastics
    Mon, Aug 1, 2016
    RE: Adding more projects to a Campus
    in New LEED Guidance for Campuses and Multiple Buildings
    572 deborah lucking
    associate
    fentress architects
    Thu, Jul 28, 2016
    RE: sunset date for projects registered under LEEDv3
    in Time to finish that LEED-NC v2.1 project, or upgrade - sunset date is coming
    2 emily reese
    Sustainability Consultant / Facility Planner
    Jacobs Engineering
    Tue, Jul 26, 2016
    n/a
    in Forum for LEED Volume Program Certification
    12 robert lohr
    Sr. Director of Construction
    DSW, Inc.
    Fri, Jul 22, 2016
    Core & Shell Warehouses in LEED v4 - by Michelle Rosenberger
    Mon, Jul 18, 2016
    Selection of Leed certification
    in 17 critical—and misunderstood—LEED terms
    7 B B
    Mon, Jul 18, 2016
    Trinidad and Tobago
    v4 BD+C Licensed Professional Exemption
    in Licensed Professional Exemption
    20 Helene Gotthelf
    Projects Manager
    Institute for the Built Environment
    Tue, Jul 12, 2016
    RE: Deadline for Construction Review
    in Deadline to Submit Construction Submittal - LEED NC (LEED for Schools)
    5 Charalampos Giannikopoulos
    Senior Sustainability Consultant
    DCarbon
    Sun, Jul 10, 2016
    ECp2 and c1 - Location of this Addendum?
    in Highlights from the LEED-EBOM addenda
    2 Michelle Bracewell-Musson
    Owner, LEED AP
    Green Expectations Sustainability Solutions
    Sun, Jun 26, 2016
    United States
    RE: design vs construction credits
    in A New, More Accessible LEED Online for LEED v4
    16 Emmanuel Pauwels
    Owner
    Green Living Projects s.l.
    Thu, Jun 23, 2016
    RE: DES Rates
    in New District Energy Guidance for LEED Released by USGBC
    73 Marcus Sheffer
    LEED Fellow
    7group
    Tue, Jun 21, 2016
    RE: parking demand vs 1000sf or vs employees
    in More Money, Less Guesswork: ITE Parking Generation Study and SSc4.4
    37 Erin Holdenried
    Sustainable Design Manager
    AECOM
    Mon, Jun 13, 2016
    RE: Lease Language
    in CS v3 - Appendix 4 - Tenant Lease or Sales Agreement
    31 Chris Freeland
    Architect
    Aller Lingle Massey Architects
    Wed, Jun 8, 2016
    United States
    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
    RE: advanced buildings doc
    in Where can I find a copy of "Advanced Buildings: Energy Benchmark for High Performance Buildings (E-Benchmark)”?
    14 Mohammad Kamali
    UBC
    Thu, May 26, 2016
    Title Comments Most Recent Post Location
    LEED CI - HVAC Syatem selection and Fan power Modeling
    in CI 2009 EAc1.3: Optimize Energy Performance—HVAC
    435 SAMY Chamy
    Enginneer
    T&T Green
    Wed, Aug 24, 2016
    non smoking hotel rooms
    in NC 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    320 Noriko Yasuhara
    Woonerf Inc.
    Wed, Aug 24, 2016
    Projects in Europe may use the values defined by EU standards?
    in CI 2009 WEp1: Water Use Reduction—20% Reduction
    250 Michael Smithing
    Director - Green Building Advisory
    Colliers International
    Wed, Aug 24, 2016
    Open Plan office served by 4 AHUs
    in CI-2009 IEQp1: Minimum IAQ Performance
    160 Michael Wahjudi
    ESD Consultant
    Kaer Pte Ltd
    Tue, Aug 23, 2016
    Singapore
    Does base building performance now impact CI performance?
    in CI-v4: Minimum energy performance
    10 Kristopher Baker
    Syska Hennessy
    Tue, Aug 23, 2016
    FIT Program vs LEED Points
    in LEED Canada Forum
    53 Fayoke Banjo
    Tue, Aug 23, 2016
    How is an area/square footage assigned to a tree?
    in NC 2009 WEc1: Water Efficient Landscaping
    457 Tricia Loe
    Sustainable Concepts
    Mon, Aug 22, 2016
    United States
    Municipally supplied "purple pipe"
    in NC 2009 WEc3: Water Use Reduction
    130 Kath Williams
    LEED Fellow 2011, Principal
    Kath Williams + Associates
    Sat, Aug 20, 2016
    United States
    decorative allowance
    in CI 2009 EAc1.1: Optimize Energy Performance—Lighting Power
    110 Ronald Dean
    Sumac Inc.
    Fri, Aug 19, 2016
    RE: control of PIU fans for System 8
    in CS 2009 EAp2: Minimum Energy Performance
    1,107 Marcus Sheffer
    LEED Fellow
    7group
    Fri, Aug 19, 2016
    Terms and concepts used in the form
    in NC 2009 SSc6.1: Stormwater Design—Quantity Control
    287 Gabriela Mesquita
    LEED AP BD+C
    ARKÉ
    Fri, Aug 19, 2016
    Paraguay
    Energy Submetering
    in EBOM-v4: Advanced energy metering
    7 VISHESH AGARWAL
    Fri, Aug 19, 2016
    India
    RE: ULEF documentation and LEED Online form
    in NC 2009 IEQc4.4: Low-Emitting Materials—Composite Wood and Agrifiber Products
    221 Erica Downs
    Sustainability & LEED Consultant
    Thu, Aug 18, 2016
    United States
    Supermarket in a small neighbourhood
    in NC 2009 SSc2: Development Density and Community Connectivity
    292 Heraldo Muñoz
    Thu, Aug 18, 2016
    Paraguay
    High-rise Residences: NC or C&S?
    in LEED Rating System Selection Q&A
    794 Maria Isabel Conde
    Owner
    Aqua Terra (Panama) S.A.
    Wed, Aug 17, 2016
    Terms and concepts used in the form
    in NC 2009 SSc6.1: Stormwater Design—Quantity Control
    287 Gabriela Mesquita
    LEED AP BD+C
    ARKÉ
    Wed, Aug 17, 2016
    Paraguay
    Occupancy Count for Residential
    in NC 2009 SSc4.3: Alternative Transportation—Low-Emitting and Fuel-Efficient Vehicles
    463 GreenShape Expert
    Employee
    Consulting Firm
    Wed, Aug 17, 2016
    United States
    Managing rainwater in clay soil with low permeability
    in CS v4: Rainwater management
    4 Maria Glädt
    White Arkitekter AB
    Wed, Aug 17, 2016
    Sweden
    RE: Awarded the credit?
    in NC-v4: Low emitting materials
    202 Craig Graber
    Sr. Environmental Designer
    Atelier Ten
    Tue, Aug 16, 2016
    United States
    160815 FLUSH-OUT - LEED V4 IAQ ASSESSMENT PRACTICE EXAM QUESTION
    in CS v4: Tenant design and construction guidelines
    2 P Beulah
    Mon, Aug 15, 2016
    Title Comments Post date Most Recent Postsort icon Location
    Projects in Europe may use the values defined by EU standards?
    in CI 2009 WEp1: Water Use Reduction—20% Reduction
    250 Michael Smithing
    Director - Green Building Advisory
    Colliers International
    Wed, Aug 24, 2016
    2016-08-24 04:42 Switzerland
    Open Plan office served by 4 AHUs
    in CI-2009 IEQp1: Minimum IAQ Performance
    160 Michael Wahjudi
    ESD Consultant
    Kaer Pte Ltd
    Tue, Aug 23, 2016
    2016-08-23 22:19 Singapore
    ULEF documentation and LEED Online form
    in CI 2009 IEQc4.4: Low-Emitting Materials—Composite Wood and Agrifiber Products
    55 Erica Downs
    Sustainability & LEED Consultant
    Tue, Aug 23, 2016
    2016-08-23 13:11 United States
    FIT Program vs LEED Points
    in LEED Canada Forum
    53 Fayoke Banjo
    Tue, Aug 23, 2016
    2016-08-23 11:22 Canada
    A material with zero VOC content
    in NC 2009 IEQc4.1: Low-Emitting Materials—Adhesives and Sealants
    508 Diaa El-Masry
    General Manager
    Qatar Green Leaders
    Tue, Aug 23, 2016
    2016-08-23 08:05 Qatar
    How is an area/square footage assigned to a tree?
    in NC 2009 WEc1: Water Efficient Landscaping
    457 Tricia Loe
    Sustainable Concepts
    Mon, Aug 22, 2016
    2016-08-22 13:27 United States
    Tile finishes for flat roof
    in CS 2009 SSc7.2: Heat Island Effect—Roof
    107 Magda Aghababyan
    CEO
    Co-Energi (Pvt) Ltd.
    Mon, Aug 22, 2016
    2016-08-22 01:04 Sri Lanka
    Municipally supplied "purple pipe"
    in NC 2009 WEc3: Water Use Reduction
    130 Kath Williams
    LEED Fellow 2011, Principal
    Kath Williams + Associates
    Sat, Aug 20, 2016
    2016-08-20 13:59 United States
    Heat Island Reduction
    in EBOM-v4: Heat island reduction
    8 VISHESH AGARWAL
    Sat, Aug 20, 2016
    2016-08-20 07:59 India
    leedonline offline?
    in LEED Online Status Updates
    59 Caroline Hedin
    Architect
    studio point253
    Sat, Aug 20, 2016
    2016-08-20 00:30 United States
    return fan for PTAC
    in NC 2009 EAp2: Minimum Energy Performance
    3,688 Francesco Passerini
    engineer
    Fri, Aug 19, 2016
    2016-08-19 12:33 Italy
    Terms and concepts used in the form
    in NC 2009 SSc6.1: Stormwater Design—Quantity Control
    287 Gabriela Mesquita
    LEED AP BD+C
    ARKÉ
    Fri, Aug 19, 2016
    2016-08-19 10:44 Paraguay
    Energy Submetering
    in EBOM-v4: Advanced energy metering
    7 VISHESH AGARWAL
    Fri, Aug 19, 2016
    2016-08-19 08:00 India
    Pest management
    in EBOM-v4: Integrated pest management
    12 VISHESH AGARWAL
    Fri, Aug 19, 2016
    2016-08-19 06:10 India
    Factory-Existing Building
    in EBOM-v4: Minimum energy performance
    47 VISHESH AGARWAL
    Fri, Aug 19, 2016
    2016-08-19 06:04 India
    Group projects w/ DES / central plants
    in CS 2009 EAp2: Minimum Energy Performance
    1,107 Stacey Olson
    Associate, LEED AP, ID+C, BD+C, CID
    Gensler
    Thu, Aug 18, 2016
    2016-08-18 20:03 United States
    Service water heating for electric water heaters
    in NC 2009 EAp2: Minimum Energy Performance
    3,688 Billy Condor
    Engineer
    Thu, Aug 18, 2016
    2016-08-18 18:47 Peru
    High Rise Residential with mixed mode ventilation
    in NC-v4: Minimum indoor air quality performance
    50 Nancy Henderson
    Managing Partner
    ArchEcology
    Thu, Aug 18, 2016
    2016-08-18 18:30 United States
    Tenant with LEED ID&C Certification is moving spaces in building
    in PIf5: Building System Control
    16 Summer Gorder
    Owner
    ecoREAL
    Thu, Aug 18, 2016
    2016-08-18 14:26 United States
    Can CARB’s ATCM 93120 (2008).
    in NC 2009 IEQc4.4: Low-Emitting Materials—Composite Wood and Agrifiber Products
    221 Summer Gorder
    Owner
    ecoREAL
    Thu, Aug 18, 2016
    2016-08-18 14:14 United States

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