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: PU foam
    in NC 2009 IEQc4.1: Low-Emitting Materials—Adhesives and Sealants
    375 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE ∙ Sustainability ∙ Construction ∙ Specifications
    Mon, Sep 1, 2014
    Data center - Baseline HVAC System
    in NC-v4: Minimum energy performance
    7 Vassil Vassilev
    Manager
    Termoservice OOD
    Mon, Sep 1, 2014
    Documentation if the building structure remains the same
    in CS 2009 MRc1: Building Reuse—Maintain Existing Walls, Floors and Roof
    19 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
    RE: Parking spaces provided to project building in another garage
    in CS 2009 SSc7.1: Heat Island Effect—Nonroof
    49 Maria Porter
    Environmental Certification Engineer
    Skanska Sweden
    Mon, Sep 1, 2014
    Option 3 daylight measurement
    in NC 2009 IEQc8.1: Daylight and Views—Daylight
    621 Stella Stella
    Mon, Sep 1, 2014
    Stormwater rate and quantity calculation for case 1
    in NC 2009 SSc6.1: Stormwater Design—Quantity Control
    207 sona prajapati
    Mon, Sep 1, 2014
    RE: On-site waste water treatment
    in NC-v4: Indoor water use reduction
    2 Lorne Mlotek
    LEED AP BD+C
    LeadingGREEN
    Sun, Aug 31, 2014
    Urban agriculture in high density, zero lot line project.
    in NC 2009 SSc5.1: Site Development—Protect or Restore Habitat
    207 Nadia Ayala
    Architect / LEED AP BD+C
    KILTIK Consultoría
    Sun, Aug 31, 2014
    RE: VOC Testing - ISO EU Standard
    in NC v2.2 EQc4.2: Low-Emitting Materials—Paints and Coatings
    90 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE ∙ Sustainability ∙ Construction ∙ Specifications
    Sun, Aug 31, 2014
    RE: VOC Testing - ISO EU Standard
    in NC 2009 IEQc4.2: Low-Emitting Materials—Paints and Coatings
    449 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE ∙ Sustainability ∙ Construction ∙ Specifications
    Sun, Aug 31, 2014
    Ashrae 90.1.2010, HVAC Table 6.8.1.C Water Chiling Packages Eff.
    in NC 2009 EAc1: Optimize Energy Performance
    1,070 RUMI ENGINEER
    Sun, Aug 31, 2014
    RE: Open passage to copy room
    in NC v2.2 EQc5: Indoor Chemical and Pollutant Source Control
    92 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE ∙ Sustainability ∙ Construction ∙ Specifications
    Sat, Aug 30, 2014
    Qualification for Credit
    in EBOM 2009 SSc6: Stormwater Quantity Control
    61 Wendy Lao
    LEED Sustainability Intern
    County of Santa Clara
    Fri, Aug 29, 2014
    Reclaimed water
    in EBOM-v4: Outdoor water use reduction
    1 Alexa Stone
    ecoPreserve - Building Sustainbility
    Fri, Aug 29, 2014
    Title Comments Most Recent Post
    RE: Exclude existing parking with certification of building addition
    in Schools 2009 SSc7.1: Heat Island Effect—Nonroof
    20 Crissy Tsai
    Sustainability Coordinator
    Webcor Builders
    Mon, Feb 24, 2014
    RE: NC v3 Hotel occupancy counts
    in NC v2.2 SSc4.2: Alternative Transportation—Bicycle Storage and Changing Rooms
    58 David Posada
    Sustainability Manager, SS TAG member
    GBD Architects
    Fri, Feb 21, 2014
    RE: Existing constructions and non infiltration water tanks
    in ND-v2009: Rainwater management
    4 Eliot Allen
    AICP, LEED AP-ND, CNU-A
    Principal, Criterion Planners LEED Faculty, LP TAG
    Fri, Feb 21, 2014
    RE: IDp1 Health Mission Statement
    in Healthcare-v2009: Integrated project planning and design
    2 Susan Walter
    Sr Project Architect
    Wilmot/Sanz
    Fri, Feb 21, 2014
    RE: Calculating Walking Distances
    in ND-v2009: Locations with reduced automobile dependence
    18 Vita Shklovsky
    Wed, Feb 19, 2014
    RE: Number of cycles
    in EBOM-v4: Cooling tower water use
    4 Batya Metalitz
    Manager, LEED Technical Development
    USGBC
    Wed, Feb 19, 2014
    Included Furniture
    in Schools IEQc4.5: Low-Emitting Materials—Furniture and Furnishings
    13 Johannes Gellrich
    Wed, Feb 19, 2014
    RE: Nature Trail
    in Healthcare-v2009: Connection to the natural world - places of respite
    14 Susan Walter
    Sr Project Architect
    Wilmot/Sanz
    Tue, Feb 18, 2014
    RE: Rebar - Offsite Scrap Recycling
    in CS 2009 MRc2: Construction Waste Management
    62 Michelle Reott
    LEED AP BD+C, ID+C, O+M, Managing Principal
    Earthly Ideas LLC
    Mon, Feb 17, 2014
    RE: Possible Exemption?
    in EBOM 2009 IEQc1.3: IAQ Best Management Practices—Increased Ventilation
    10 Hannah Bronfman
    Sustainability Consultant
    YR&G
    Mon, Feb 17, 2014
    RE: Occupancy Sensors may be replaced
    in CI 2009 EAc1.2: Optimize Energy Performance—Lighting Controls
    68 PAULA HERNANDEZ
    MRS.
    INGENIERO MARIO PEDRO HERNANDEZ
    Fri, Feb 14, 2014
    controllability of system
    in CI 2009 IEQc6.2: Controllability of Systems—Thermal Comfort
    28 Yaser Al Sharif
    Thu, Feb 13, 2014
    RE: Exemplary Performance
    in Schools 2009 IEQc8.2: Daylight and Views—Views
    63 Esmeralda Ward
    osborn architects
    Wed, Feb 12, 2014
    RE: a LEED-NC V2.2 three-story mixed use building
    in NC v2.2 EQp2: Environmental Tobacco Smoke (ETS) Control
    54 Michelle Rosenberger
    Partner
    ArchEcology, LLC
    Wed, Feb 12, 2014
    Renovate an old school
    in Schools-EBOM-v4: Must comply with project size requirements
    1 Davide Filippi
    Wed, Feb 12, 2014
    RE: Accounting for unisex restrooms
    in NC v2.2 WEc3.1–3.2: Water Use Reduction
    73 Ruben Porter
    Tue, Feb 11, 2014
    RE: Minimum Floors Requirement for EB:OM v4 Existing Building
    in EBOM-v4: Must comply with project size requirements
    3 Davide Filippi
    Tue, Feb 11, 2014
    RE: What is an "Existing Buiding" for EB:OM?
    in EBOM-v4: Must use reasonable LEED boundaries
    5 Davide Filippi
    Tue, Feb 11, 2014
    RE: Commercial buildings?
    in EBOM-v4: Environmental Tobacco Smoke Control
    3 Jonathan Miller
    Mon, Feb 10, 2014
    RE: Concrete wash-out water
    in CI 2009 MRc2: Construction Waste Management
    64 Michelle Reott
    LEED AP BD+C, ID+C, O+M, Managing Principal
    Earthly Ideas LLC
    Sun, Feb 9, 2014
    Title Comments Most Recent Post
    RE: LEED-NC
    in Advice for buildings to be constructed in phases
    2 Dean Barone
    President
    Barone International
    Mon, Aug 16, 2010
    LEED validity for D&C systems
    in LEED Certification validity period
    1 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Mon, Aug 16, 2010
    RE: contact GBCI
    in Change the registration information
    2 Fabio Frescia
    Sustainable Engineer
    Tue, Aug 10, 2010
    EAc1 forum
    in ASHRAE 2004 - versus ASHRAE 2007 - 90.1 Standard
    1 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Aug 10, 2010
    RE: Re: Additional Building Added in Middle of Project
    in Additional Building Added in Middle of Project
    2 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Aug 10, 2010
    RE: kitchen facilities and LEED rating system selection
    in Definition of Residential
    2 Larry Jones
    Associate
    Atelier Ten
    Fri, Aug 6, 2010
    LEED-CI credits on a LEED-EBOM project
    in Combined LEED EBO&M with LEED ID+C
    1 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Fri, Aug 6, 2010
    Paperless Submittals - by Bruce Maine
    Thu, Aug 5, 2010
    tenant scope
    in Which area applies to a CI certification, especially according to shared (non-rented) areas
    1 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Thu, Aug 5, 2010
    RE: LEED Reference Guide
    in Reference Guide
    2 Paul C
    Tue, Aug 3, 2010
    upgrading to LEED 2012 and fees
    in Project Registration
    1 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Aug 3, 2010
    Hopefully eliminating the CBs will raise the quality of reviews
    in Clarification overkill
    1 Nadav Malin
    USGBC LEED Faculty, President
    BuildingGreen, Inc.
    Mon, Aug 2, 2010
    RE: RE: residential high rise: leed rating system selection
    in residential high rise: leed rating system selection
    4 stefano sani
    Fri, Jul 30, 2010
    a good thing but not a LEED thing
    in Possible points for reducing project scope?
    1 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Thu, Jul 29, 2010
    RE: KEMA Services
    in Recommendations for companies that perform ASHRAE Level I Energy Audit around the Sacramento area?
    2 Andy Rhoades
    Partner
    Leading Edge Consulting
    Tue, Jul 27, 2010
    RE: good question
    in credit stats
    2 Natesan Seshagiri
    Architect
    Tue, Jul 27, 2010
    EBOM changes explored in more depth
    in July 2010 LEED Addenda Published by USGBC
    17 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Jul 27, 2010
    RE: Construction phase
    in Changes after Design Submittal
    2 Scott Bowman
    Owner - Building Sage
    Integrated Design + Energy Advisors, LLC
    Tue, Jul 27, 2010
    RE: Manufactured Offices?
    in ASHRAE 90.1- 2.3
    2 Jun Hashimoto
    RLA, LEED-AP
    Mon, Jul 26, 2010
    RE: Length of construction project
    in EBOM or NC? When is it too late to utilize the NC rating system?
    2 Thomas Boyd
    MEP Construction Manager
    Tonn and Blank Construction, LLC
    Sat, Jul 24, 2010
    Title Votes Comments Most Recent Post
    RE: MPR 2 Incomplete spaces
    in LEED Minimum Program Requirements
    88 440 Catherine Blakemore
    Architect, LEED AP BC+D
    HOLT Architects
    Wed, Apr 10, 2013
    RE: Tenant Finish-Out Insulation
    in CS 2009 EAc1: Optimize Energy Performance
    88 252 Heather Holdridge
    Sustainability Coordinator
    Lake/Flato Architects
    Fri, Sep 7, 2012
    EP Credit
    in EBOM 2009 MRc8: Solid Waste Management—Durable Goods
    88 42 Walker Burttschell
    APM
    Hines
    Mon, Sep 27, 2010
    RE: Automatic for a LEED CS certified building?
    in CI 2009 SSc3.3: Alternative Transportation—Parking Availability
    88 122 Marian Keeler
    Senior Associate
    Thornton Tomasetti / Sustainability
    Tue, Sep 28, 2010
    RE: Ashrae procedures for commercial building energy audits.
    in EBOM 2009 EAp1: Energy Efficiency Best Management Practices—Planning, Documentation and Opportunity Assessment
    88 98 Alexa Stone
    ecoPreserve: Building Sustainability
    Sun, Oct 31, 2010
    HVAC Zone deffinition
    in EBOM 2009 IEQc2.3: Occupant Comfort—Thermal Comfort Monitoring
    87 25 David Grosdeck
    Property Manager
    Cassidy Turley
    Tue, Sep 14, 2010
    RE: Documented benefits as a result of LEED for Existing Buildings
    in LEED-EBOM: Eight Steps to Success
    87 31 mike w lackey, pe
    principal
    lackey de carvajal cx
    Wed, Aug 4, 2010
    RE: Ongoing Commissioning Overlap with New Building Commissioning
    in EBOM 2009 EAc2.3: Existing Building Commissioning—Ongoing Commissioning
    87 29 Pierce Holstrom
    Director of Engineering
    Environmental Building Strategies
    Wed, Aug 11, 2010
    RE: Precast concrete for LEED
    in NC v2.2 MRc4: Recycled Content
    87 148 Frances Yang
    Mon, Dec 5, 2011
    RE: No smoking policy in urban area and the 25' rule.
    in NC v2.2 EQp2: Environmental Tobacco Smoke (ETS) Control
    87 54 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Mon, Jul 26, 2010
    Sampling Procedure Clarification Needed
    in NC v2.2 EQp2: Environmental Tobacco Smoke (ETS) Control
    87 54 John Hollingsworth
    Home Energy Consultant
    Carolina Home Energy LLC
    Fri, Oct 22, 2010
    Conductivity Meter and Auto Controls/No chemical management
    in EBOM 2009 WEc4: Cooling Tower Water Management
    87 61 John Ida
    President
    Urban Works, Inc.
    Tue, Aug 10, 2010
    Existing AHU serves more than the LEED tenant space- what to do?
    in CI 2009 IEQc5: Indoor Chemical and Pollutant Source Control
    87 79 Kathy Buck
    Senior Project Manager
    Neumann/Smith Architecture
    Thu, Aug 5, 2010
    Total credits by ex exemplary performance
    in CS 2009 IDc1: Innovation in Design
    87 47 Xavi B
    Sun, Sep 26, 2010
    RE: Permanent entryway system in underground garage?
    in CS 2009 IEQc5: Indoor Chemical and Pollutant Source Control
    87 85 Allison Beer McKenzie
    Architect, Director of Sustainability
    SHP Leading Design
    Mon, Jan 24, 2011
    RE: Environmentally friendly deicing products
    in EBOM 2009 SSc2: Building Exterior and Hardscape Management Plan
    87 101 Kathleen Seus
    Director, Green Purchasing
    Delta Institute
    Wed, Dec 29, 2010
    LEED for Schools - Bike Lane Req. (Sorry for Cross Posting)
    in NC 2009 SSc4.1: Alternative Transportation—Public Transportation Access
    87 199 Jean Marais
    b.i.g. Bechtold DesignBuilder Expert
    Thu, Nov 3, 2011
    RE: 100% WATER CONSUMPTION FROM TREATED HARVESTED RAIN WATER
    in EBOM 2009 WEc2: Additional Indoor Plumbing Fixture and Fitting Efficiency
    86 51 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Jul 27, 2010
    Residental AND Commercial
    in Project Information form
    86 45 Deborah Spira
    Mon, Sep 13, 2010
    RE: Demolition of topping slab & SF of interior structural walls
    in NC v2.2 MRc1.1–1.2: Building Reuse
    86 24 Michael Miller
    Project Architect
    Wed, Nov 24, 2010
    Title Comments Most Recent Post
    "Trying is no longer enough" - When did this change occur?
    in Using the LEED Pilot Credit Library
    28 Adam West
    Project Manager
    Southface Energy Institute
    Mon, Oct 14, 2013
    Removal of Office/Open Office Trash Cans
    in EBOM 2009 MRp2: Solid Waste Management Policy
    23 Heather Riley
    LEED Project Manager
    SAS Institute Inc.
    Fri, Oct 11, 2013
    Universal Design
    in Pilot Credit 34: Design for Adaptability
    10 USGBC IP Account
    U.S. Green Building Council
    Fri, Oct 4, 2013
    Challenges logging into forum
    in Pilot Credit 24: Acoustics
    28 deborah lucking
    associate
    fentress architects
    Wed, Sep 25, 2013
    Industry Scare Tactics
    in Does LEED v4 Ban PVC?
    11 Andrew Ellsworth
    Ellsworth Building Portfolio Services
    Mon, Sep 23, 2013
    Modeling a Commercial Kitchen
    in NC 2009 EAp2: Minimum Energy Performance
    2,347 September Silvers
    Senior Mechanical Engineer
    Mussett, Nicholas & Associates
    Mon, Sep 23, 2013
    Well Said - Not All PVCs are Equal - Good Decisions are Required
    in Does LEED v4 Ban PVC?
    11 Louise Schlatter
    Architect
    SSOE Group
    Mon, Sep 23, 2013
    LEEDuser template updated
    in EBOM 2009 SSc2: Building Exterior and Hardscape Management Plan
    101 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Sep 17, 2013
    Remediating to "residential (unrestricted) use"
    in Healthcare-v2009: Environmental site assessment
    6 Kathy Wislocky
    Project Manager
    Isgenuity LLC
    Thu, Sep 12, 2013
    Core performance path
    in NC 2009 EAc1: Optimize Energy Performance
    1,070 Jatuwat Varodompun
    Dr
    Green Building Soultion
    Sat, Sep 7, 2013
    LEED Scorecard Forms
    in Scorecard
    6 Clara Simon
    Sustainability Manager
    University of Washington - Capital Projects Office
    Fri, Sep 6, 2013
    BREEAM and LEED
    in BREEAM Equivalency for LEED Projects
    1 Emily Rhee
    Fri, Sep 6, 2013
    Australian equivalent of fuel-efficient vehicles
    in NC 2009 SSc4.3: Alternative Transportation—Low-Emitting and Fuel-Efficient Vehicles
    341 Mary Haw
    Senior ESD Consultant
    Cundall
    Wed, Sep 4, 2013
    Minimum IAQ Requirement: Ashrae 62.1 vs. Ashrae 170
    in CS-2009 IEQp1: Minimum IAQ Performance
    129 Daniel Joseph
    GLHOMES
    Thu, Aug 29, 2013
    Pressure and flow rates
    in NC 2009 WEp1: Water Use Reduction—20% Reduction
    590 MM K
    Thu, Aug 29, 2013
    Flush out in tropical climate region (Climate Zone 1)
    in NC 2009 IEQc3.2: Construction Indoor Air Quality Management Plan—Before Occupancy
    247 Adi Negara, LEED AP BD+C
    Green Building Facilitator
    PT. Indonesia Environment Consultant
    Thu, Aug 29, 2013
    EAp2 Sample L4 Narrative
    in CS 2009 EAp2: Minimum Energy Performance
    817 Thomas Newbold
    Wed, Aug 21, 2013
    Plenum Zones
    in NC 2009 EAc1: Optimize Energy Performance
    1,070 Rosana Correa
    Director
    Casa do Futuro
    Mon, Aug 19, 2013
    What requirements apply?
    in Pilot Credit 66: Community Contaminant Prevention—Airborne Releases
    9 Patrick Salmon
    EIT, LEED AP BD+C
    Highland Associates
    Thu, Aug 15, 2013
    What was your LEED deliverable after the site assessment?
    in Healthcare-v2009: Environmental site assessment
    6 Jill DeMarotta
    Interior Designer
    Gresham Smith and Partners
    Tue, Aug 13, 2013

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