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
    AHU system for industrial production
    in NC 2009 EAc1: Optimize Energy Performance
    1,010 Renaud Gay
    Shanghai Pacific Energy Center
    Thu, Apr 17, 2014
    RE: RH control with dew point control logic for IEQ 6.2
    in NC 2009 IEQc6.2: Controllability of Systems—Thermal Comfort
    165 Lauren Sparandara
    Sustainability Manager
    Mary Davidge Associates
    Thu, Apr 17, 2014
    RE: EAc5, Option #3 = MPR #6
    in NC 2009 EAc5: Measurement and Verification
    176 Christopher Schaffner
    Principal & Founder
    The Green Engineer, LLP
    Thu, Apr 17, 2014
    RE: HVAC system changed after certification completed
    in Start a New LEED Discussion Topic
    91 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Thu, Apr 17, 2014
    hotel with cottages
    in New LEED Guidance for Campuses and Multiple Buildings
    468 Emmanuel Pauwels
    Owner
    Green Living Projects s.l.
    Thu, Apr 17, 2014
    Illustrating Compliance using representative sampling?
    in EBOM 2009 IEQc2.2: Controllability of Systems—Lighting
    48 Ryan Hoffman
    Heapy Engineering
    Thu, Apr 17, 2014
    EP Threshold for LEED-HC
    in NC 2009 EAc6: Green Power
    127 Caupolican Diaz
    Sustainable Design Coordinator
    SMMA
    Thu, Apr 17, 2014
    RE: Do all units have to run at 100% OA for this credit?
    in NC 2009 IEQc3.2: Construction Indoor Air Quality Management Plan—Before Occupancy
    214 Allison Beer McKenzie
    Architect, Director of Sustainability
    SHP Leading Design
    Thu, Apr 17, 2014
    RE: Building Reuse off Site
    in Schools-2009 MRc1.1: Building Reuse—Maintain Existing Walls, Floors and Roof
    16 Nadav Malin
    USGBC LEED Faculty, President
    BuildingGreen, Inc.
    Thu, Apr 17, 2014
    RE: Adding credits between preliminary review and final review...
    in LEED Reviews: LEED Online, Appeals, Design/Construction Submittals, and more
    503 Kathryn West
    LEED AP BD+C, O+M, Guiding Principles Compliance Professional
    Energy Ace
    Thu, Apr 17, 2014
    RE: Minimum Indoor Air Quality Calculation (Natural Ventilation)
    in NC-2009 IEQp1: Minimum IAQ Performance
    696 Andrew Mitchell, P.E.
    Mechanical Engineer / LEED Coordination Manager
    Moses & Associates
    Thu, Apr 17, 2014
    RE: Wood Cladding adhesives
    in NC 2009 IEQc4.1: Low-Emitting Materials—Adhesives and Sealants
    356 Jonathan Clifford
    LEED-AP BD+C
    Blackburn Architects
    Thu, Apr 17, 2014
    RE: Window Frames and Window Area
    in Schools 2009 IEQc8.1: Daylight and Views—Daylight
    123 Todd Reed
    Daylight Designer
    7group
    Thu, Apr 17, 2014
    RE: Project In Dubai.
    in NC 2009 SSp1: Construction Activity Pollution Prevention
    182 SAMER ALHMDAN
    Thu, Apr 17, 2014
    RE: WC for disables
    in NC 2009 WEp1: Water Use Reduction—20% Reduction
    543 Melissa Merryweather
    Director
    Green Consult-Asia
    Thu, Apr 17, 2014
    Title Comments Most Recent Post
    RE: Environmental Labs in office building
    in EBOM 2009 IEQc3.2: Green Cleaning—Custodial Effectiveness Assessment
    63 Michael Smithing
    Director - Green Building Advisory
    Colliers International
    Wed, Apr 2, 2014
    Calculating a baseline
    in EBOM-2009 WEc3: Water Efficient Landscaping
    107 American University
    Sustainability
    American University
    Tue, Apr 1, 2014
    RE: HK Equivalent of Energy-Star qualified products
    in CI 2009 EAc1.4: Optimize Energy Performance—Equipment and Appliances
    249 MM K
    Tue, Apr 1, 2014
    RE: 1-year and 2-year 24-hour Design Storm
    in NC 2009 SSc6.1: Stormwater Design—Quantity Control
    191 Daniela Grotenfelt
    Miss
    Larkas& Laine Architects Ltd
    Tue, Apr 1, 2014
    RE: LEED NC 2009 MRc2 - Co-mingled Waste Recycing
    in NC v2.2 MRc2: Construction Waste Management
    110 Ian McCall
    Environmental Engineer
    Le Sommer Environnement
    Tue, Apr 1, 2014
    Unoccupied Building
    in Data Centers-NC-v4: Must comply with project size requirements
    1 Phillip Cook
    WGE
    Tue, Apr 1, 2014
    RE: Alternative Compliance Path Outside the US
    in CI 2009 MRc5: Regional Materials
    89 Mary Ann Santos
    Mon, Mar 31, 2014
    RE: Template Rounding for Design Case-Urinal
    in CI 2009 WEc1: Water Use Reduction
    86 Rebekah Burke
    Director of Sustainable Design
    Clark Nexsen
    Mon, Mar 31, 2014
    Plf3 Actual / Estimated Occupants
    in PIf3: Occupant and Usage Data
    1 Emmanuel Gee
    Project Architect
    Buell Kratzer Powell
    Mon, Mar 31, 2014
    RE: BREEAM as the certification scheme
    in ND-v2009: Certified green building
    14 Meghan Bogaerts
    Manager, Neighborhood Development
    U.S. Green Building Council
    Mon, Mar 31, 2014
    RE: Stall count: Vehicles vs. Mopeds
    in NC 2009 SSc4.4: Alternative Transportation—Parking Capacity
    270 Keith Steurer
    Structural Engineer
    Shive-Hattery, Inc.
    Mon, Mar 31, 2014
    how long can be interval time between 2 parts of projects
    in MPR2: Must be a complete, permanent building or space
    2 Catharina B-K
    LEED AP BD+C
    Sun, Mar 30, 2014
    " no view down into", how to interpret this?
    in NC-v4: Interior lighting
    3 Qiang Zhang
    professional
    Sat, Mar 29, 2014
    How to interpret the last sentence?
    in NC-v4: Building life-cycle impact reduction
    3 Qiang Zhang
    professional
    Sat, Mar 29, 2014
    The difference of Reused, Salvaged, refurbished
    in NC-v4: Building product disclosure and optimization - sourcing of raw materials
    8 Qiang Zhang
    professional
    Sat, Mar 29, 2014
    RE: VOC levels of as sealant
    in NC v2.2 EQc4.1: Low-Emitting Materials—Adhesives and Sealants
    144 Rosamaría Mellone
    Green Building and Alternative Energy
    Sat, Mar 29, 2014
    RE: Historic building.... in progress
    in ND-v2009: Historic resource preservation and adaptive use
    4 Eliot Allen
    AICP, LEED AP-ND, CNU-A
    Principal, Criterion Planners LEED Faculty, LP TAG
    Sat, Mar 29, 2014
    RE: acrylic with non paper backer
    in Homes-v4: Durability management
    2 Ann Edminster
    founder/principal
    Design AVEnues LLC
    Fri, Mar 28, 2014
    RE: Dormitory / Mixed Use Project
    in NC 2009 IEQc7.2: Thermal Comfort—Verification
    85 Cindy Estrada
    LEED AP BD&C
    SDS Architects, Inc.
    Fri, Mar 28, 2014
    HVAC system's capability to accommodate CO2 sensors
    in CS 2009 IEQc1: Outdoor Air Delivery Monitoring
    50 CT G
    Fri, Mar 28, 2014
    Title Comments Most Recent Post
    How Well Do You Know LEED v4? Answers to the LEEDuser Quiz - by Tristan Roberts
    Fri, Oct 26, 2012
    RE: Electric Vehicle Charging Stations
    in LEED 2012 - 4th Public Comment and Ballot Forum
    191 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Mon, Oct 15, 2012
    Using Specs effectively during construction
    in Did you remember to...? List of things it's best not to forget on a project
    1 Peggy White
    White + GreenSpec
    Mon, Sep 24, 2012
    RE: EA PR 2
    in LEEDuser’s Guide to Key Changes in LEED-EBOM 2012 – 3rd Public Comment
    40 Marcus Sheffer
    LEED Fellow
    7group
    Mon, Sep 24, 2012
    FSC vs SFI
    in Does LEED Kill Jobs? Lobbyist Claims Don't Hold Up
    11 Alexander Morris
    Associate
    Wallace Roberts & Todd, LLC
    Mon, Sep 24, 2012
    Governmental Cutting of Corners
    in "Wood Wars" Continue, with Military Losing
    1 Kaida Smith
    Thu, Sep 20, 2012
    RE: webcast recording
    in Video: Behind the Scenes on LEED 2012: New Developments in Credit Documentation, Reference Guides, and More
    2 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Thu, Sep 6, 2012
    RE: MPR #6 - CI project without submetered utilities
    in MPR 6 - Energy Star Portfolio Manager
    47 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Thu, Mar 21, 2013
    RE: 4 floor building - 2 phases
    in Site boundaries for multi-phase Projects
    17 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Wed, Sep 5, 2012
    RE: Change of project
    in Registration
    7 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Wed, Sep 5, 2012
    RE: Consult Core & Shell Appendix 1
    in Determing Transients (Students/Visitors)
    8 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Wed, Sep 5, 2012
    RE: ID Credit for Dual Certification
    in Green Globes Q&A
    9 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Sep 4, 2012
    RE: Not much of anything
    in USGBC LEED EBOM policy model 2009
    5 Paulina Marinkovic
    Sustainability Manager LEED AP O&M
    Samba Energy
    Fri, Aug 31, 2012
    RE: Does this mean state owned
    in Georgia Bans LEED Over Certified Wood Credits
    2 Paula Melton
    Managing Editor
    BuildingGreen, Inc.
    Fri, Aug 24, 2012
    LEED 2.2 Registered Projects
    in LEED 2.2 Registered Projects (with the eventual adoption of LEED v4)
    1 David Posada
    Sustainability Manager
    GBD Architects
    Wed, Aug 22, 2012
    RE: Activity Date in CMP
    in GBCI now reviewing CMP hours within 48 hours of entry
    11 Kristina Bach
    CORE Steward
    Cooper Carry
    Wed, Aug 22, 2012
    RE: Thanks Andrew!
    in LEED Online and how to make it run FAST on Google Chrome
    4 Maura Adams
    Environmental Stewardship Manager
    Wed, Aug 15, 2012
    RE: LEED Certified or Certifiable?
    in LEED Certified or Certifiable? Architects Make the Case for Earning the Plaque
    9 Sandeep Goswami
    COO
    Fountain Head II
    Sat, Aug 11, 2012
    Thanks for the responses so
    in Student looking for LEED users to complete a questionnaire on the IgCC and LEED
    1 Michael Zagorski
    Thu, Aug 2, 2012
    RE: post-event Q&A
    in Video: Top-20 LEED-EBOM Documentation Mistakes—And How to Avoid Them
    2 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Fri, Jul 27, 2012
    Title Votes Comments Most Recent Post
    Concrete Sealer
    in NC 2009 MRc5: Regional Materials
    240 233 Adolfo Silva
    Principal
    Ecovert Corporation
    Thu, Nov 19, 2009
    RE: Regionally manufactured materials
    in NC 2009 MRc5: Regional Materials
    240 233 Nadav Malin
    USGBC LEED Faculty, President
    BuildingGreen, Inc.
    Mon, Dec 7, 2009
    understanding the Daylight Factor method
    in CI 2009 IEQc8.1: Daylight and Views—Daylight
    239 118 Alex Warburton
    Sat, Jan 9, 2010
    Points available for EQ pr2 (ETS control)?
    in NC 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    239 228 jeff gaines
    manager of programming and planning
    albert kahn associates, inc.
    Thu, Sep 24, 2009
    RE: Dormitory that is No Smoking
    in NC 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    236 228 Ben Stanley
    Sustainability Manager
    YRG sustainability
    Fri, Jan 29, 2010
    Janitor Sinks
    in CI 2009 WEp1: Water Use Reduction—20% Reduction
    234 194 Eric Doyle
    Project Administrator
    Catalyst Partners
    Tue, Jan 19, 2010
    Motel-style dormitory with smoking rooms
    in NC 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    234 228 Kimberly Frith
    Sustainability Consultant
    Alto Sustainability, LLC
    Wed, Jan 20, 2010
    RE: Hospital water use?
    in NC 2009 WEc3: Water Use Reduction
    234 93 Lauren Sparandara
    Sustainability Manager
    Mary Davidge Associates
    Mon, Feb 1, 2010
    ANSI S12.60-2002 - Not required?
    in Schools 2009 IEQp3: Minimum Acoustical Performance
    234 136 John Dunn
    President
    2D Innovations
    Sat, Nov 14, 2009
    Comprehensive Info on Green Roofs
    in Green Roofs
    231 20 Jim Newman
    Principal
    Linnean Solutions
    Fri, Oct 30, 2009
    No extra points available for EQp2
    in NC 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    231 228 Lauren Sparandara
    Sustainability Manager
    Mary Davidge Associates
    Fri, Sep 25, 2009
    RECs providers...
    in EBOM 2009 EAc4: On-Site and Off-Site Renewable Energy
    230 84 Jared Silliker
    Owner
    Silliker + Partners
    Tue, Jan 26, 2010
    The Naming of Options, and Knowing Which Applies to You
    in EBOM 2009 EAc1: Optimize Energy Efficiency Performance
    228 110 Jenny Carney
    Principal
    YR&G
    Tue, Jan 5, 2010
    USGBC provides additional guidance
    in CI 2009 WEp1: Water Use Reduction—20% Reduction
    227 194 Shannon Gray
    Consultant
    YRG sustainability
    Thu, Dec 3, 2009
    RE: Illogical ETS requirement for existing non-res. buildings?
    in NC 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    226 228 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Thu, Dec 10, 2009
    RE: Grabbing a non-contiguous park
    in NC 2009 SSc5.1: Site Development—Protect or Restore Habitat
    225 182 Jean Marais
    b.i.g. Bechtold DesignBuilder Expert
    Wed, Feb 3, 2010
    RE: USGBC provides additional guidance
    in CI 2009 WEp1: Water Use Reduction—20% Reduction
    224 194 Dave Intner
    Firmitas Architecture & Planning
    Mon, Dec 21, 2009
    Illogical ETS requirement for existing non-res. buildings?
    in NC 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    224 228 John Burnett
    FAC-LEEDership
    Wed, Dec 9, 2009
    RE: Motel-style dormitory with smoking rooms
    in NC 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    223 228 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Wed, Jan 20, 2010
    RE: Calculating FTE/Transients for Hospital environments
    in NC 2009 WEc3: Water Use Reduction
    220 93 Mara Baum
    Healthcare Sustainable Design Leader
    HOK
    Wed, Feb 3, 2010
    Title Comments Most Recent Post
    Vegetated area requirement
    in CS 2009 SSc5.1: Site Development—Protect or Restore Habitat
    92 John Burnett
    FAC-LEEDership
    Thu, Mar 13, 2014
    Controller Efficiency
    in NC 2009 WEc1: Water Efficient Landscaping
    316 Scott Fornaciari
    Principal
    Landarc Associates, Inc.
    Wed, Mar 12, 2014
    Purchasing RECS after the Performance Period
    in EBOM 2009 EAc4: On-Site and Off-Site Renewable Energy
    84 Summer Gorder
    Owner
    ecoREAL
    Tue, Mar 11, 2014
    LEED Project Boundary for a Transit Station
    in MPR3: Must use a reasonable site boundary
    171 Kimberlyn Caoagas
    Tue, Mar 11, 2014
    Total Gross Area: does the roof area counts?
    in PIf2: Project Summary Details
    1 Gabriella DUva
    Tue, Mar 11, 2014
    Qualification for LEED CS vs. NC
    in PIf1: Development Program and Site Type
    20 Jin Yang
    LEED GA
    ECADI
    Tue, Mar 11, 2014
    Multiple buildings, common basement
    in LEED Rating System Selection Q&A
    558 Ann Palermo
    Tue, Mar 11, 2014
    Survey alternative : counting vehicles
    in EBOM 2009 SSc4: Alternative Commuting Transportation
    261 Matthieu Delegrange
    Mon, Mar 10, 2014
    SSc1 documents for International Projects
    in Determining Farmland or Floodplain Classification for SSc1
    17 Saud Abdul Rasheed
    LEED Engineer
    Al Yamama Company
    Sun, Mar 9, 2014
    Residential Villa 4500 sqm (Does it meet MPR for LEED NC)
    in MPR4: Must comply with minimum floor area requirements
    9 Mohd Imran Shaikh
    Sun, Mar 9, 2014
    note about this forum
    in Vestibules in 90.1-2007 and LEED 3.0 Projects
    12 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Fri, Mar 7, 2014
    Variable Frequency Drive / Frequency convertors
    in CS 2009 IEQc1: Outdoor Air Delivery Monitoring
    50 Petr Lhoták
    Sustainability Consultant
    Skanska Czech Republic
    Fri, Mar 7, 2014
    Data Center Energy Calculator Tool
    in Data Centers-NC-v4: Optimize energy performance
    3 Jack Jenkins
    Consultant
    rda|hurleypalmerflatt
    Thu, Mar 6, 2014
    Revolving doors
    in Vestibules in 90.1-2007 and LEED 3.0 Projects
    12 Stephanie Graham
    Sustainability Manager
    Burns & McDonnell
    Thu, Mar 6, 2014
    Updates to the "Instructions for Obtaining Flood Plain Info…"?
    in Determining Farmland or Floodplain Classification for SSc1
    17 John Beeson
    Chief Mystic in Resident
    Catalyst Partners
    Wed, Mar 5, 2014
    SSc2 Option 1 - parking garages
    in NC 2009 SSc2: Development Density and Community Connectivity
    195 Faith Wilbert
    Pathfinder Engineers & Architects
    Wed, Mar 5, 2014
    No documents to prove compiance
    in CS 2009 SSc1: Site Selection
    11 Saud Abdul Rasheed
    LEED Engineer
    Al Yamama Company
    Wed, Mar 5, 2014
    Ventilation rates for manufacturing facilities
    in EBOM 2009 IEQp1: Minimum Indoor Air Quality Performance
    310 Omar Delgado
    Mechanical Engineer
    EnerMech
    Tue, Mar 4, 2014
    Audit Documentation
    in EBOM 2009 IEQc1.1: IAQ Best Management Practices—IAQ Management Program
    28 Trevor Gilbert
    Energy Profiles
    Mon, Mar 3, 2014
    The RPCs have been updated
    in Non-U.S. Regional Priority Credits Added to LEED
    26 Jean Marais
    b.i.g. Bechtold DesignBuilder Expert
    Mon, Mar 3, 2014

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