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
    Required Lease Language
    in MPR2: Must be a complete, permanent building or space
    113 Katie Peterschmidt
    Associate Director, CORE Steward
    Cooper Carry
    Tue, Sep 2, 2014
    RE: Data center - Baseline HVAC System
    in NC-v4: Minimum energy performance
    8 Marcus Sheffer
    LEED Fellow
    7group
    Tue, Sep 2, 2014
    RE: Ashrae 90.1.2010, HVAC Table 6.8.1.C Water Chiling Packages Eff.
    in NC 2009 EAc1: Optimize Energy Performance
    1,071 Marcus Sheffer
    LEED Fellow
    7group
    Tue, Sep 2, 2014
    RE: PU foam
    in NC 2009 IEQc4.1: Low-Emitting Materials—Adhesives and Sealants
    376 Emmanuel Pauwels
    Owner
    Green Living Projects s.l.
    Tue, Sep 2, 2014
    RE: Option 3 daylight measurement
    in NC 2009 IEQc8.1: Daylight and Views—Daylight
    622 Todd Reed
    Daylight Designer
    7group
    Tue, Sep 2, 2014
    Engineered ventilation rates
    in NC-2009 IEQp1: Minimum IAQ Performance
    755 LEEDme STRATEGIE D'IMPRESA
    Tue, Sep 2, 2014
    Flushing toilets with drilled corrosive non potable water
    in NC 2009 WEc3: Water Use Reduction
    100 Viktor Reutherborg
    Trainee
    NCC Construction Sverige
    Tue, Sep 2, 2014
    RE: Green cleaning products - Saudi Arabia
    in EBOM 2009 IEQc3.3: Green Cleaning—Purchase of Sustainable Cleaning Products and Materials
    129 Nate Gillette
    Director
    Natura Architectural Consulting 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
    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
    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
    Title Comments Most Recent Post
    RE: Pool?
    in NC 2009 SSc2: Development Density and Community Connectivity
    218 Michelle Robinson
    Re:Vision Architecture
    Sat, Aug 23, 2014
    Exemplary Performance for Heat Island Reduction
    in Homes-v4: Heat island reduction
    1 Nelca Roco
    Architect
    Thorn Lighting
    Sat, Aug 23, 2014
    RE: WEp1 Exemption?
    in CI 2009 WEp1: Water Use Reduction—20% Reduction
    211 Scott Adams
    Principal
    Sustainable Integration LLC
    Fri, Aug 22, 2014
    Survey Completion
    in CI 2009 IEQc7.2: Thermal Comfort—Verification
    19 Elliot Young
    Fri, Aug 22, 2014
    Building Energy Metering - Third Party Source
    in CS v4: Building-level energy metering
    1 Sean Hogan
    LEED AP
    RKD Architects
    Fri, Aug 22, 2014
    Average Full Flush and Low Flush
    in Retail–CI-v2009: Water use reduction
    3 Geraldine Assmus
    Sustentator
    Thu, Aug 21, 2014
    Multi-Family Residential Options
    in NC 2009 IEQc3.2: Construction Indoor Air Quality Management Plan—Before Occupancy
    247 Alexis Thompson
    Project Coordinator
    Sellen Sustainability
    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: 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: Showers/Changing rooms at another level.
    in CS 2009 SSc4.2: Alternative Transportation—Bicycle Storage and Changing Rooms
    86 Charles Nepps
    Wed, Aug 20, 2014
    FTE calculation for a Dorm
    in PIf3: Occupant and Usage Data
    187 Nena Elise
    Tue, Aug 19, 2014
    RE: ID credit for low-mercury lamps
    in EBOM 2009 MRc4: Sustainable Purchasing—Reduced Mercury in Lamps
    143 Robin Dukelow, LEED AP BD+C
    Sustainability Consultant; Project Manager
    Henderson Engineers, Inc.; Sustainable Design Consulting, LLC
    Tue, Aug 19, 2014
    RE: Data center modeling
    in Data Centers-NC-v4: Minimum energy performance
    32 Vassil Vassilev
    Manager
    Termoservice OOD
    Tue, Aug 19, 2014
    RE: Sensory Stimulation
    in Pilot Credit 78: Design for active occupants
    27 Lee Altman
    NYC Department of Design and Construction
    Tue, Aug 19, 2014
    Title Comments Most Recent Post
    Congratulations 2013 LEED Fellows - by Tristan Roberts
    Wed, Nov 13, 2013
    RE: Tenant Sales or Lease Agreement
    in CS v3 - Appendix 4 - Tenant Lease or Sales Agreement
    24 Julie Hendricks
    Director of EcoServices
    Kirksey
    Thu, Nov 7, 2013
    RE: Any info that you'd be willing to share on Green Globes?
    in Getting to Know Green Globes
    7 David Eldridge
    Project Manager
    Grumman/Butkus Associates
    Tue, Nov 5, 2013
    RE: All LEED sample forms
    in Sample LEED Online credit forms
    4 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Nov 5, 2013
    RE: MPR 6 Compliance through a different Portfolio manager
    in Video: LEED Energy Reporting Made Easy
    5 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Nov 5, 2013
    RE: Sports Facility - 0 FTE's or 0 Transient Users
    in PI Form 3 - Occupant and Usage Data
    78 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Nov 5, 2013
    RE: "Confirmation of Agent's Authority" form for a CCD new bldg.
    in New, Friendlier Legal Forms Rolled Out on LEED Online
    9 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Nov 5, 2013
    PIf3 forum
    in Occupant and Usage Data
    6 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Nov 5, 2013
    rating system selection forum
    in Military Barracks considered LEED for Homes or LEED NC?
    5 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Nov 5, 2013
    rating system selection forum
    in Minor Renovation of an Existing LEED Certified Building
    5 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Nov 5, 2013
    multiple buildings forum
    in Multiple Buildings - One Registration
    5 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Nov 5, 2013
    RE: Construction Documents Creation for Small Commercial Interiors
    in Construction Documents
    4 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Mon, Nov 4, 2013
    RE: Deadline for final Review (addressing review comments)
    in Deadline to tackle USGBC review
    5 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Mon, Nov 4, 2013
    RE: Blinds
    in Blinds
    8 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Mon, Nov 4, 2013
    RE: NC 2009 MPR Form 2 - actual vs estimated square footage
    in PI Form 2 Project Summary Details
    64 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Nov 5, 2013
    RE: LEED v4-Credits MR-USGBC approved program
    in USGBC Engages Chemical Supply Chain with New LEED v4 Option
    38 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Sun, Nov 3, 2013
    RE: Gerrymandered site?
    in Multiple buildings
    5 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Sun, Nov 3, 2013
    RE: one project?
    in Multiple Buildings Connected - Campus Approach vs Standard Approach
    7 David Lee
    LEED Coordinator
    Federal Management Solutions
    Mon, Sep 16, 2013
    RE: SSc1: Previously Certified Projects
    in LEED for Existing Buildings Recertification Is Here
    9 Michelle Rosenberger
    Partner
    ArchEcology, LLC
    Wed, Sep 11, 2013
    LEED Scorecard Forms
    in Scorecard
    6 Clara Simon
    Sustainability Manager
    University of Washington - Capital Projects Office
    Fri, Sep 6, 2013
    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 80 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
    284 184 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 63 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 80 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 80 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 80 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 80 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 79 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
    Pursuing option 2, path 2
    in CS 2009 WEc1: Water Efficient Landscaping
    57 Andrey Kuznetsov
    Green Building and Sustainability Consultant (LEED AP BD+C)
    Signy Group
    Thu, Aug 14, 2014
    Confused about Perf periods and 2-yr contract for offsite REC's
    in EBOM 2009 EAc4: On-Site and Off-Site Renewable Energy
    91 Wendy Parker, LEED AP
    Manager of Safety & Environmental
    MetroNational
    Thu, Aug 14, 2014
    Manual Pruning & Hand Weeding
    in EBOM 2009 SSc2: Building Exterior and Hardscape Management Plan
    101 Lucy Williams
    Principal
    Lucy C. Williams, Architect
    Thu, Aug 14, 2014
    ventilation through docks
    in NC-2009 IEQp1: Minimum IAQ Performance
    755 Alicja Bieszyńska
    Skanska
    Thu, Aug 14, 2014
    Horse Riding Arena
    in NC 2009 WEc3: Water Use Reduction
    100 Kavita Karmarkar
    Student
    Wed, Aug 13, 2014
    Stand Alone Refrigerators and Freezers to be included in EAc4?
    in NC 2009 EAc4: Enhanced Refrigerant Management
    102 Vivien Fairlamb
    Wed, Aug 13, 2014
    Open Grid Pavement
    in NC 2009 SSc5.2: Site Development—Maximize Open Space
    164 Alexia Anastassiadis
    Wed, Aug 13, 2014
    NC vs Core & Shell for Mixed Use Building
    in LEED Rating System Selection Q&A
    602 Mike Stopka
    Director of Sustainability
    Solomon Cordwell Buenz
    Tue, Aug 12, 2014
    A tower, podium and shared parking on the same site, LEED NC2009
    in MPR3: Must use a reasonable site boundary
    195 Mais B
    Tue, Aug 12, 2014
    Please help-your perspective appreciated on transit
    in NC 2009 SSc4.1: Alternative Transportation—Public Transportation Access
    199 Brian Muldoon
    Planning Specialist
    Howard County MD Government
    Tue, Aug 12, 2014
    LEED NC 2009 for factory building
    in NC 2009 EAp2: Minimum Energy Performance
    2,347 Rathnashree Bharadwaj
    Tue, Aug 12, 2014
    Commercial Kitchen
    in EBOM 2009 MRc2: Sustainable Purchasing—Durable Goods
    80 Nate Gillette
    Director
    Natura Architectural Consulting LLC
    Sat, Aug 9, 2014
    Required Vegetated Area and LEED Boundary Calculations
    in MPR3: Must use a reasonable site boundary
    195 CT G
    Fri, Aug 8, 2014
    LEED Project Boundary - Football Stadium
    in MPR3: Must use a reasonable site boundary
    195 Lisa Vandevoort
    Business Manager
    Architecture Incorporated
    Fri, Aug 8, 2014
    IAQ Flush out-using temporary exhaust systems
    in NC 2009 IEQc3.2: Construction Indoor Air Quality Management Plan—Before Occupancy
    247 Stella Stella
    Fri, Aug 8, 2014
    Split Systems & Re-Testing
    in NC 2009 IEQc3.2: Construction Indoor Air Quality Management Plan—Before Occupancy
    247 Donald Green
    Project Manager
    Sustainable Design Consulting, LLC
    Thu, Aug 7, 2014
    Certify a Building Extension
    in PIf1: Minimum Program Requirements
    90 Anna Ohlmeier
    Julius Berger International
    Thu, Aug 7, 2014
    Defering Design credit
    in Defer Credits
    4 Stella Stella
    Thu, Aug 7, 2014
    DES systems
    in CS v4: Optimize energy performance
    1 MM K
    Thu, Aug 7, 2014
    District heating cooling plant off-site
    in CS v4: Renewable energy production
    1 MM K
    Thu, Aug 7, 2014

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