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
    RE: Recycling Facility Letters of Certification
    in NC 2009 MRc2: Construction Waste Management
    330 Michelle Reott
    LEED AP BD+C, ID+C, O+M, Managing Principal
    Earthly Ideas LLC
    Fri, Sep 19, 2014
    Refrigerants outside of the building, but still on site
    in EBOM 2009 EAp3: Fundamental Refrigerant Management
    64 Levi Jimenez
    Project Manager
    BuildingWise
    Fri, Sep 19, 2014
    Pre-existing Campus PV Array - Does commissioning apply?
    in NC 2009 EAc2: On-Site Renewable Energy
    198 Heather DeGrella
    Sustainability Coordinator
    Opsis Architecture
    Fri, Sep 19, 2014
    RE: NC 2009 or v4 Multifamily Midrise
    in LEED Rating System Selection Q&A
    609 Alejandro Rivera Rivera
    Sustainability Coordinator
    Studio Domus
    Fri, Sep 19, 2014
    RE: LEED Canada 2009 Letter Templates (LLT)
    in LEED Canada Forum
    41 John-David Hutchison, LEED AP BD+C, PMP
    Sustainability Consultant
    CSV Architects
    Fri, Sep 19, 2014
    What is the Air Vapor Barrier?? Roofing Membrane still exempt?
    in NC 2009 IEQc4.1: Low-Emitting Materials—Adhesives and Sealants
    387 Michele Helou
    Principal
    Sage Design & Consulting
    Fri, Sep 19, 2014
    RE: kitchen hoods
    in NC 2009 EAp2: Minimum Energy Performance
    2,378 HOUCINE TLEMSANI
    Mechanical Designer
    MEP Engineering Solutions, Inc
    Fri, Sep 19, 2014
    Occupancy for indoor/outdoor building types
    in PIf3: Occupant and Usage Data
    188 Keelan Kaiser
    Architect and Educator
    Serena Sturm Architects and Judson University
    Fri, Sep 19, 2014
    RE: Appeal Process
    in LEED Reviews: LEED Online, Appeals, Design/Construction Submittals, and more
    577 Barry Giles
    Founder & CEO, USGBC LEED Faculty, LEED AP O+M
    BuildingWise LLC
    Fri, Sep 19, 2014
    case 1 option 2 - "critical values"
    in NC 2009 SSc6.1: Stormwater Design—Quantity Control
    213 Michael Johnson
    Architect
    Chenevert Architects
    Fri, Sep 19, 2014
    Pilot Credit 80 success
    in NC-2009: Environmentally preferable interior finishes and furnishings
    16 Abigail Parr
    Fri, Sep 19, 2014
    RE: Common Preferred Parking Signage at Car Park Entrance
    in CS 2009 SSc4.3: Alternative Transportation—Low-Emitting and Fuel-Efficient Vehicles
    84 Ellen Mitchell
    Sustainable Design Manager
    HKS, Inc.
    Fri, Sep 19, 2014
    RE: Initial Questions about LEED O+M
    in PIf3: Occupant and Usage Data
    2 Gerrit-Jan Teunissen
    consultant
    TRAJECT
    Fri, Sep 19, 2014
    RE: How to count curtain walls?
    in CS 2009 MRc1: Building Reuse—Maintain Existing Walls, Floors and Roof
    20 Charles Nepps
    Fri, Sep 19, 2014
    RE: Concrete forming and temporary material - recycled content
    in NC 2009 MRc4: Recycled Content
    461 Lyle Axelarris
    Civil/Structural Engineer, LEED AP BD+C, O+M
    Design Alaska
    Thu, Sep 18, 2014
    Title Comments Most Recent Post
    RE: Aluminum Flooring
    in CI 2009 IEQc4.3: Low-Emitting Materials—Flooring Systems
    106 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Thu, Sep 11, 2014
    RE: Providing Accurate Number of Bus Rides for Exemplary Performance
    in NC 2009 SSc4.1: Alternative Transportation—Public Transportation Access
    202 Kristina Bach
    Sustainability Specialist
    Thu, Sep 11, 2014
    RE: percent of occupants
    in NC v2.2 WEc3.1–3.2: Water Use Reduction
    77 Catalina Caballero
    Sustainability Coordinator
    JALRW Eng. Group Inc.
    Thu, Sep 11, 2014
    RE: Utilizing the car2go program to satisfy vehicle-sharing option
    in NC 2009 SSc4.3: Alternative Transportation—Low-Emitting and Fuel-Efficient Vehicles
    348 Kathryn West
    LEED AP BD+C, O+M, Green Globes Professional, Guiding Principles Compliance Professional
    Energy Ace
    Thu, Sep 11, 2014
    Ecocert
    in EBOM 2009 MRc5: Sustainable Purchasing—Food
    81 Gabriel Frasson
    Project Manager
    OTEC
    Thu, Sep 11, 2014
    RE: energy used on-site vs sold energy
    in NC-v4: Renewable energy production
    2 Marcus Sheffer
    LEED Fellow
    7group
    Thu, Sep 11, 2014
    gs 11 1993 test VS iso
    in Retail–CI-v2009: Low-emitting materials - paints and coatings
    2 Michele Comperti
    project manager
    Sice Previt spa
    Thu, Sep 11, 2014
    RE: L-6 Project Sections/ Elevations
    in PIf4: Schedule and Overview Documents
    2 ANNE JURAN
    Senior Engineer
    Summer Consultants, Inc.
    Thu, Sep 11, 2014
    International Project not eligible for Energy Star Rating
    in EBOM 2009 EAp2: Minimum Energy Efficiency Performance
    457 Se Hyeung Pak
    Thu, Sep 11, 2014
    100% non potable water source
    in EBOM-2009 WEc3: Water Efficient Landscaping
    111 Diego Pietzsch
    Mechanical Engineer
    Wed, Sep 10, 2014
    RE: LI ID #10001 (asbestos for SSc3) applicable to LEED-NC v2.2?
    in NC v2.2 SSc3: Brownfield Redevelopment
    8 emily reese
    Sustainability Consultant / Facility Planner
    Jacobs Engineering
    Wed, Sep 10, 2014
    Is there a timeframe for the minimum number of cycles?
    in NC-v4: Cooling tower water use
    9 Gregory Martin
    Wed, Sep 10, 2014
    IEQp1 100% OA AHU and Valance units Comment
    in Schools-2009 IEQp1: Minimum IAQ Performance
    20 jeffrey strong
    Wed, Sep 10, 2014
    RE: ANOTHER Intumescent-related product question
    in Healthcare-v2009: Low-emitting materials
    50 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE ∙ Sustainability ∙ Construction ∙ Specifications
    Wed, Sep 10, 2014
    RE: EAc1.3 Option 2: Baseline vs Alternate Baseline
    in CI 2009 EAc1.3: Optimize Energy Performance—HVAC
    321 Marcus Sheffer
    LEED Fellow
    7group
    Wed, Sep 10, 2014
    Stair nosing
    in NC 2009 IEQc4.3: Low-Emitting Materials—Flooring Systems
    309 Yuko Murata
    Architect, LEED AP BD+C
    Nikken Sekkei
    Wed, Sep 10, 2014
    Exlude retail zone
    in MPR3: Must use a reasonable site boundary
    5 GABRIEL MORALES
    Architect
    Grupo Syasa
    Tue, Sep 9, 2014
    RE: Incomplete tenant space
    in NC 2009 IEQc8.2: Daylight and Views—Views
    359 Kristina Bach
    Sustainability Specialist
    Tue, Sep 9, 2014
    RE: Conference Rooms with folding partitions
    in NC 2009 IEQc8.1: Daylight and Views—Daylight
    626 Todd Reed
    Daylight Designer
    7group
    Tue, Sep 9, 2014
    How are doors calculated?
    in NC-2009 MRc1.1: Building Reuse—Maintain Existing Walls, Floors and Roof
    81 David Gruss
    Tue, Sep 9, 2014
    Title Comments Most Recent Post
    Guyana - by LEEDUser Team
    Thu, Sep 18, 2014
    Paraguay - by LEEDUser Team
    Thu, Sep 18, 2014
    Peru - by LEEDUser Team
    Thu, Sep 18, 2014
    Argentina - by LEEDUser Team
    Thu, Sep 18, 2014
    Bolivia - by LEEDUser Team
    Thu, Sep 18, 2014
    Denmark - by LEEDUser Team
    Thu, Sep 18, 2014
    Estonia - by LEEDUser Team
    Thu, Sep 18, 2014
    Finland - by LEEDUser Team
    Thu, Sep 18, 2014
    Iceland - by LEEDUser Team
    Thu, Sep 18, 2014
    Ireland - by LEEDUser Team
    Thu, Sep 18, 2014
    Latvia - by LEEDUser Team
    Thu, Sep 18, 2014
    Lithuania - by LEEDUser Team
    Thu, Sep 18, 2014
    Northern Europe - by LEEDUser Team
    Thu, Sep 18, 2014
    Norway - by LEEDUser Team
    Thu, Sep 18, 2014
    South America - by LEEDUser Team
    Thu, Sep 18, 2014
    Sweden - by LEEDUser Team
    Thu, Sep 18, 2014
    Turkey - by LEEDUser Team
    Thu, Sep 18, 2014
    United Arab Emirates - by LEEDUser Team
    Thu, Sep 18, 2014
    United Kingdom - by LEEDUser Team
    Thu, Sep 18, 2014
    Yemen - by LEEDUser Team
    Thu, Sep 18, 2014
    Title Votes Comments Most Recent Post
    Off Site Renewable Energy
    in EBOM 2009 EAc4: On-Site and Off-Site Renewable Energy
    286 91 Reynaldo Castro
    Sat, Jan 9, 2010
    RE: How many showers & racks are needed?
    in CI 2009 SSc3.2: Alternative Transportation—Bicycle Storage and Changing Rooms
    285 81 Adolfo Silva
    Principal
    Ecovert Corporation
    Thu, Dec 17, 2009
    Designated Smoking Areas in parking garages
    in EBOM 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    285 93 Jason Franken
    Sustainability Professional
    Tue, Jun 2, 2009
    Pin-based CFL's
    in EBOM 2009 MRc4: Sustainable Purchasing—Reduced Mercury in Lamps
    285 143 Drew Johnson
    LEED AP O+M
    Mon, Dec 28, 2009
    Calculating FTEs
    in Calculating FTEs
    284 186 Sherry Bonelli
    LEED Project Manager/Consultant
    BudSprout LLC -- SucceedAtLEED.com
    Wed, Dec 9, 2009
    RE: Automatic Credits for tenant improvement in new LEED Silver bldg
    in CI-2009 EAp1: Fundamental Commissioning of Building Energy Systems
    283 65 Devon Bertram
    Sustainability Manager
    YR&G
    Tue, Sep 8, 2009
    RE: IEQ and related products
    in CI-2009 IEQp1: Minimum IAQ Performance
    283 131 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Thu, Sep 3, 2009
    Regionally manufactured materials
    in NC 2009 MRc5: Regional Materials
    283 254 Carrie Gunzel
    Mon, Dec 7, 2009
    RE: Flush monitoring requirements
    in CI 2009 IEQc3.2: Construction IAQ Management Plan—Before Occupancy
    282 64 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Wed, Jan 20, 2010
    RE: How many showers & racks are needed?
    in CI 2009 SSc3.2: Alternative Transportation—Bicycle Storage and Changing Rooms
    282 81 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Thu, Dec 17, 2009
    RE: Existing bike storage and showers
    in CI 2009 SSc3.2: Alternative Transportation—Bicycle Storage and Changing Rooms
    282 81 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Thu, Dec 17, 2009
    RE: How many showers & racks are needed?
    in CI 2009 SSc3.2: Alternative Transportation—Bicycle Storage and Changing Rooms
    281 81 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Thu, Dec 17, 2009
    RE: CxA Qualifications?
    in CI-2009 EAp1: Fundamental Commissioning of Building Energy Systems
    281 65 Ben Stanley
    Sustainability Manager
    YRG sustainability
    Tue, Sep 1, 2009
    CxA Qualifications?
    in CI-2009 EAp1: Fundamental Commissioning of Building Energy Systems
    280 65 John Garra
    President
    Square One Architecture, Inc.
    Wed, Aug 26, 2009
    ISSUE Part 2
    in CI-2009 IEQp1: Minimum IAQ Performance
    280 131 Green Living LLC Elizabeth Gharib
    Tue, Jan 26, 2010
    IEQc1
    in NC 2009 IEQc1: Outdoor Air Delivery Monitoring
    280 240 Gunnar Hubbard, AIA, LEED Fellow
    Principal
    Thornton Tomasetti
    Thu, Aug 13, 2009
    RE: Existing bike storage and showers
    in CI 2009 SSc3.2: Alternative Transportation—Bicycle Storage and Changing Rooms
    279 81 Sherry Bonelli
    LEED Project Manager/Consultant
    BudSprout LLC -- SucceedAtLEED.com
    Wed, Dec 9, 2009
    no smoking requirements for CA projects
    in CI 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    278 25 Doug Drynan
    Thu, Nov 5, 2009
    7th ed. Massachusetts Building Code and ASHRAE 62.1-2004
    in NC 2009 IEQc2: Increased Ventilation
    278 81 Paul Girello
    Fri, Jan 15, 2010
    RE: M&V plan required for case 1, or not?
    in CI 2009 EAc3: Measurement and Verification
    277 120 Christopher Schaffner
    Principal & Founder
    The Green Engineer, LLP
    Thu, Dec 17, 2009
    Title Comments Most Recent Post
    SSp1 in case of campus projects
    in New LEED Guidance for Campuses and Multiple Buildings
    496 Mónika Egyed
    Fri, Sep 5, 2014
    Energy Efficiency for industrial plants
    in EBOM 2009 EAp2: Minimum Energy Efficiency Performance
    457 Diego Pietzsch
    Mechanical Engineer
    Thu, Sep 4, 2014
    Transplanting trees as a means to save them
    in NC 2009 SSc5.1: Site Development—Protect or Restore Habitat
    215 Sara Greenwood
    Green Building Consultant
    Cadmus Group
    Thu, Sep 4, 2014
    Calculations for Projects outside USA
    in NC-v4: Outdoor water use reduction
    3 GBC Council CL
    Chile GBC
    Thu, Sep 4, 2014
    FTE-Calculating
    in Calculating FTEs
    186 Susan Coy
    Thu, Sep 4, 2014
    Mechanically conditioning and natural ventilation
    in NC-v4: Minimum indoor air quality performance
    5 Gustavo De las Heras Izquierdo
    Arch. Eng. LEED AP BD+C; O+M
    Revitaliza Consultores
    Wed, Sep 3, 2014
    LEED reviewer comment
    in CS 2009 EAp3: Fundamental Refrigerant Management
    16 Gaston Michaud
    Mechanical Engineer
    CTS
    Wed, Sep 3, 2014
    Opt 2 metered water use and building level water metering
    in EBOM-v4: Indoor water use reduction
    3 OSCAR DE LA RED
    LEED AP BD+C
    PROMEC
    Wed, Sep 3, 2014
    Regarding LEED Project Boundary
    in MPR3: Must use a reasonable site boundary
    1 Shelendra Kumar
    Wed, Sep 3, 2014
    Regional Priority on this credit
    in CI 2009 SSc1: Site Selection
    201 Katie Peterschmidt
    Associate Director, CORE Steward
    Cooper Carry
    Tue, Sep 2, 2014
    New Review Comment
    in CI 2009 IEQc7.1: Thermal Comfort—Design
    48 Aaron Luthien
    Tue, Sep 2, 2014
    Required Lease Language
    in MPR2: Must be a complete, permanent building or space
    114 Katie Peterschmidt
    Associate Director, CORE Steward
    Cooper Carry
    Tue, Sep 2, 2014
    Engineered ventilation rates
    in NC-2009 IEQp1: Minimum IAQ Performance
    771 LEEDme STRATEGIE D'IMPRESA
    Tue, Sep 2, 2014
    Flushing toilets with drilled corrosive non potable water
    in NC 2009 WEc3: Water Use Reduction
    103 Viktor Reutherborg
    Trainee
    NCC Construction Sverige
    Tue, Sep 2, 2014
    Minimum Ventialtion Rates: Locker Rooms
    in NC-2009 IEQp1: Minimum IAQ Performance
    771 Lawrence Lile
    Chief Engineer
    Lile Engineering LLC
    Mon, Sep 1, 2014
    Documentation if the building structure remains the same
    in CS 2009 MRc1: Building Reuse—Maintain Existing Walls, Floors and Roof
    20 Alexander Benning
    Project Manager
    ES EnviroSustain GmbH
    Mon, Sep 1, 2014
    minimum vegetation area
    in CS 2009 WEc1: Water Efficient Landscaping
    57 Agata Mozer
    GO4IT SP Z OO SP K
    Mon, Sep 1, 2014
    LEED AP - Experience required
    in Start a New LEED Discussion Topic
    127 Rita Barata
    Mon, Sep 1, 2014
    Urban agriculture in high density, zero lot line project.
    in NC 2009 SSc5.1: Site Development—Protect or Restore Habitat
    215 Nadia Ayala
    Architect / LEED AP BD+C
    KILTIK Consultoría
    Sun, Aug 31, 2014
    Which speicalty I should choose (BD+C or ID + C)?
    in Start a New LEED Discussion Topic
    127 Eric Lee
    Sat, Aug 30, 2014

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