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
    LEEDv4 MPRs - Definition of Single Building
    in Start a New LEED Discussion Topic
    124 Kacy Wander
    Sustainability Coordinator
    JacobsWyper Architects
    Thu, Aug 21, 2014
    Museum/Visitor Center Exhibit rooms
    in NC 2009 IEQc8.1: Daylight and Views—Daylight
    618 Terry Squyres
    Principal
    GWWO Inc./Architects
    Thu, Aug 21, 2014
    RE: Lights off at 10:00 p.m.
    in CS 2009 SSc8: Light Pollution Reduction
    134 Bill Swanson
    PE, LEED AP
    Integrated Architecture
    Thu, Aug 21, 2014
    RE: Private Bus Service
    in NC 2009 SSc4.1: Alternative Transportation—Public Transportation Access
    199 Donald Green
    Project Manager
    Sustainable Design Consulting, LLC
    Thu, Aug 21, 2014
    RE: Rotating Lab Equipment and How to Include It?
    in NC 2009 EAc1: Optimize Energy Performance
    1,067 Marcus Sheffer
    LEED Fellow
    7group
    Thu, Aug 21, 2014
    RE: Parking Garages Abutting Conditioned Space
    in NC 2009 EAp2: Minimum Energy Performance
    2,329 Marcus Sheffer
    LEED Fellow
    7group
    Thu, Aug 21, 2014
    Cork flooring on product doesnt meet Floorscore or CA, but.....
    in CI 2009 IEQc4.3: Low-Emitting Materials—Flooring Systems
    103 Valerie Molinski
    Director of Sustainability
    Vocon
    Thu, Aug 21, 2014
    RE: LEED Project Boundary
    in MPR3: Must use a reasonable site boundary
    195 Renaud Gay
    Shanghai Pacific Energy Center
    Thu, Aug 21, 2014
    RE: fire supression gas FM200
    in CS 2009 EAc4: Enhanced Refrigerant Management
    42 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE ∙ Sustainability ∙ Construction ∙ Specifications
    Wed, Aug 20, 2014
    Another "is it a roof or is it hardscape" inquiry
    in NC 2009 SSc7.2: Heat Island Effect—Roof
    261 Susan Di Giulio
    Project Manager
    Zinner Consultants
    Wed, Aug 20, 2014
    RE: Building that Meets Requirements but ALSO has Lead Paint
    in NC 2009 SSc3: Brownfield Redevelopment
    95 Larry Sims
    Principal
    Studio4, LLC
    Wed, Aug 20, 2014
    Performance Period and this credit
    in EBOM 2009 MRc6: Solid Waste Management—Waste Stream Audit
    80 Sara Zoumbaris
    Wed, Aug 20, 2014
    EAp1
    in NC v2.2 EAp1: Fundamental Commissioning of Building Energy Systems
    46 Donald Green
    Project Manager
    Sustainable Design Consulting, LLC
    Wed, Aug 20, 2014
    RE: Problems Downloading Project Reports
    in Living with LEED Online - quirks, bugs and hiccups
    135 Barry Giles
    Founder & CEO, USGBC LEED Faculty, LEED AP O+M
    BuildingWise LLC
    Wed, Aug 20, 2014
    Ductwork
    in NC 2009 IEQc3.1: Construction IAQ Management Plan—During Construction
    104 Megan Bove
    Wed, Aug 20, 2014
    Title Comments Most Recent Post
    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
    RE: ASHRAE Standard 62.1–2010, Sections 4–7
    in EBOM-v4: Minimum indoor air quality performance
    3 Jonathan Miller
    Fri, Feb 7, 2014
    What certifications are accepted by USGBC for v4 low-emissions?
    in CI-v4: Low emitting materials
    1 Randy Carter
    Manager, Global Codes & Approvals
    Steelcase Inc.
    Wed, Apr 23, 2014
    Which parking spaces should be counted?
    in CI-v4: Reduced parking footprint
    1 MM K
    Thu, Feb 6, 2014
    RE: VOC limits?
    in Retail–CI-v2009: Low-emitting materials - ceiling and wall systems
    3 Webly Bowles
    Associate Principal
    Green Building Services
    Tue, Feb 4, 2014
    RE: LEED -NC 2009 for Retail, MRp1
    in Retail–NC-v2009: Storage and collection of recyclables
    2 Webly Bowles
    Associate Principal
    Green Building Services
    Tue, Feb 4, 2014
    RE: ASTM tests for BECx
    in Healthcare-v2009: Enhanced commissioning
    4 Susan Walter
    Sr Project Architect
    Wilmot/Sanz
    Mon, Feb 3, 2014
    RE: MRc4 Recycled Content % Pre-consumer
    in NC v2.2 MRc4: Recycled Content
    148 Michelle Reott
    LEED AP BD+C, ID+C, O+M, Managing Principal
    Earthly Ideas LLC
    Sat, Feb 1, 2014
    RE: understanding pilot credit
    in Pilot Credit 22: Quality Interior Lighting
    16 Larissa Oaks
    Specialist, LEED
    USGBC
    Fri, Jan 31, 2014
    RE: Unclear sound isolation requirements at hallways
    in Pilot Credit 24: Acoustics
    28 Larissa Oaks
    Specialist, LEED
    USGBC
    Fri, Jan 31, 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: Interior lighting for residential project
    in NC 2009 SSc8: Light Pollution Reduction
    86 539 Bill Swanson
    PE, LEED AP
    Integrated Architecture
    Tue, Sep 28, 2010
    RE: Outdoor Air Contamination
    in NC 2009 IEQc3.2: Construction Indoor Air Quality Management Plan—Before Occupancy
    86 246 Dylan Connelly
    Mechanical Engineer
    Integral Group
    Thu, Jan 10, 2013
    RE: pest management control
    in EBOM 2009 SSc3: Integrated Pest Management, Erosion Control, and Landscape Management Plan
    86 72 Pablo Fortunato Suarez
    Principal ESD Consultant/Architect
    GreenArc Sustainable Building & Architecture
    Fri, Jul 16, 2010
    RE: FTE calculation for Hotel occupancy
    in Calculating FTEs
    86 184 David Posada
    Sustainability Manager, SS TAG member
    GBD Architects
    Sun, Aug 8, 2010
    Age and FTE
    in Calculating FTEs
    86 184 Melissa Wrolstad
    Senior Project Manager
    CodeGreen Solutions
    Wed, Mar 2, 2011
    Reused furniture from old office
    in CI 2009 MRc5: Regional Materials
    86 92 Lauren Sparandara
    Sustainability Manager
    Google
    Tue, Aug 24, 2010
    RE: Exemplary Peformance
    in NC-2009 MRc1.1: Building Reuse—Maintain Existing Walls, Floors and Roof
    86 80 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Thu, Mar 21, 2013
    RE: Permanent entryways on the roof
    in CS 2009 IEQc5: Indoor Chemical and Pollutant Source Control
    86 85 Sarah Corbitt
    Assoc AIA, LEED AP BD+C
    LS3P
    Wed, Oct 6, 2010
    RE: Applying Addenda?
    in A Guide to the Key LEED BD&C v2009 Addenda - NC, CS, Schools
    86 51 Anya Fiechtl
    LEED AP BD+C, AIT
    CTA
    Wed, Nov 2, 2011
    RE: ASHRAE Level II audit -Ok to submit for EAp1?
    in EBOM 2009 EAp1: Energy Efficiency Best Management Practices—Planning, Documentation and Opportunity Assessment
    86 96 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Dec 28, 2010
    RE: Batteries - annual actual diversion performance verification
    in EBOM 2009 MRc7: Solid Waste Management—Ongoing Consumables
    86 61 Barry Giles
    Founder & CEO, USGBC LEED Faculty, LEED AP O+M
    BuildingWise LLC
    Mon, Feb 21, 2011
    EQc6.1 for enclosed offices
    in CI 2009 IEQc6.1: Controllability of Systems—Lighting
    86 54 Paladino &Company
    Paladino and Company
    Mon, Sep 27, 2010
    RE: Collected StromWater for irrigation
    in EBOM 2009 SSc6: Stormwater Quantity Control
    86 60 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Thu, Sep 16, 2010
    Exemplary Performance in Stage 1
    in LEED for Neighborhood Development (LEED-ND) Forum
    86 179 Daniel Costantino
    Urban Planner, LEED AP ND
    Ecology & Environment, Inc.
    Wed, Feb 1, 2012
    RE: Off-site sorting and land clearing debris
    in CS 2009 MRc2: Construction Waste Management
    86 62 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Sep 28, 2010
    RE: Precast concrete for LEED
    in NC v2.2 MRc4: Recycled Content
    86 148 Nadav Malin
    USGBC LEED Faculty, President
    BuildingGreen, Inc.
    Mon, Dec 5, 2011
    RE: Water in Concrete
    in NC v2.2 MRc4: Recycled Content
    86 148 Brian Lutey
    VP of Green Building
    Ozinga RMC Inc
    Mon, May 21, 2012
    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
    Residental AND Commercial
    in Project Information form
    86 45 Deborah Spira
    Mon, Sep 13, 2010
    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
    Title Comments Most Recent Post
    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
    1,067 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
    339 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
    128 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
    246 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
    804 Thomas Newbold
    Wed, Aug 21, 2013
    Plenum Zones
    in NC 2009 EAc1: Optimize Energy Performance
    1,067 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
    Streamlined Signatures
    in Required Signatories in LEED Online Forms
    66 Kathryn West
    LEED AP BD+C, O+M, Green Globes Professional, Guiding Principles Compliance Professional
    Energy Ace
    Mon, Aug 12, 2013
    Future changes to AHUs
    in CI 2009 IEQc1: Outdoor Air Delivery Monitoring
    29 Catalina Caballero
    Sustainability Coordinator
    JALRW Eng. Group Inc.
    Thu, Aug 8, 2013
    I am also an independent LEED
    in New USGBC Membership Fee Structure
    59 Brad Miller
    Principal
    Environnmental Concepts Company
    Tue, Aug 6, 2013
    Percent Annual HVAC Energy Cost Reduction
    in CI 2009 EAc1.3: Optimize Energy Performance—HVAC
    317 Catalina Caballero
    Sustainability Coordinator
    JALRW Eng. Group Inc.
    Tue, Aug 6, 2013
    ASHARAE 90.1 HVAC terminolgy
    in Retail–CI-v2009: Minimum energy performance
    8 FABIO VIERO
    Head of Sustainability
    Manens-Tifs s.p.a.
    Thu, Aug 1, 2013
    Industrial Flooring - Concrete Waterproofing / Sealer
    in Healthcare-v2009: Low-emitting materials
    43 Catherine Blakemore
    Architect, LEED AP BC+D
    HOLT Architects
    Fri, Jul 26, 2013

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