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 Location
    RE: n/a
    in NC 2009 IEQc7.1: Thermal Comfort—Design
    220 Scott Bowman
    LEED Fellow
    Integrated Design + Energy Advisors, LLC
    Sat, Aug 1, 2015
    RE: Green Cleaning in a Semiconductor Fab???
    in EBOM 2009 IEQc3.1: Green Cleaning—High Performance Cleaning Program
    32 David Gibney
    Technical Director for Sustainable Design
    M+W Group
    Fri, Jul 31, 2015
    United States
    RE: Calculator from USGBC
    in EBOM-v4: Green cleaning - equipment
    5 Kimberly Schlaepfer
    Sustainability Coordinator LEED AP O+M
    YR&G
    Fri, Jul 31, 2015
    RE: Open Space Accessibility
    in NC 2009 SSc5.2: Site Development—Maximize Open Space
    177 Justin Southwick
    Tri-Star Homes, Inc.
    Fri, Jul 31, 2015
    RE: ESC plan for major renovation of data center
    in NC-v4: Construction activity pollution prevention
    5 Karin Miller
    Sustainability Manager
    YR&G
    Fri, Jul 31, 2015
    RE: LEED NC - v4 MRc3 Wood products
    in NC-v4: Building product disclosure and optimization - sourcing of raw materials
    38 Karin Miller
    Sustainability Manager
    YR&G
    Fri, Jul 31, 2015
    RE: Existing and New Construction
    in NC 2009 EAp2: Minimum Energy Performance
    2,982 Haojie Wang
    Energy Modeler
    KJWW Engineering
    Fri, Jul 31, 2015
    RE: Prescriptive: Differents visible light transmittances
    in CS 2009 IEQc8.1: Daylight and Views—Daylight
    112 Todd Reed
    Daylight Designer
    7group
    Fri, Jul 31, 2015
    RE: Emissivity Values are Unknown
    in NC 2009 SSc7.2: Heat Island Effect—Roof
    282 ryan kremer
    Fri, Jul 31, 2015
    United States
    Emissivity Values are Unknown
    in NC v2.2 SSc7.2: Heat Island Effect—Roof
    77 ryan kremer
    Fri, Jul 31, 2015
    United States
    Standby Cooling
    in NC 2009 EAc4: Enhanced Refrigerant Management
    130 Lara Cogill
    Fri, Jul 31, 2015
    Saudi Arabia
    RE: SRI of wood?
    in NC 2009 SSc7.1: Heat Island Effect—Nonroof
    267 Ermal Dauti
    EGS-plan International GmbH
    Fri, Jul 31, 2015
    RE: Do we include Non-certifiable structure in Building gross area?
    in MPR7: Must comply with a minimum building area to site area ratio
    10 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE
    Fri, Jul 31, 2015
    RE: "Preserve from development activity 40% of the greenfield area"
    in NC-v4: Site development - protect or restore habitat
    4 Trista Little
    Sustainability Manager
    YR&G
    Thu, Jul 30, 2015
    RE: How are individual guestroom VTACs calculated?
    in NC-v4: Advanced energy metering
    13 Joshua Radoff
    Principal, LEEDuser Primary Author
    YRG sustainability
    Thu, Jul 30, 2015
    Title Comments Most Recent Post Location
    RE: n/a
    in NC 2009 IEQc7.1: Thermal Comfort—Design
    220 Scott Bowman
    LEED Fellow
    Integrated Design + Energy Advisors, LLC
    Sat, Aug 1, 2015
    RE: Green Cleaning in a Semiconductor Fab???
    in EBOM 2009 IEQc3.1: Green Cleaning—High Performance Cleaning Program
    32 David Gibney
    Technical Director for Sustainable Design
    M+W Group
    Fri, Jul 31, 2015
    United States
    RE: Calculator from USGBC
    in EBOM-v4: Green cleaning - equipment
    5 Kimberly Schlaepfer
    Sustainability Coordinator LEED AP O+M
    YR&G
    Fri, Jul 31, 2015
    RE: Open Space Accessibility
    in NC 2009 SSc5.2: Site Development—Maximize Open Space
    177 Justin Southwick
    Tri-Star Homes, Inc.
    Fri, Jul 31, 2015
    RE: ESC plan for major renovation of data center
    in NC-v4: Construction activity pollution prevention
    5 Karin Miller
    Sustainability Manager
    YR&G
    Fri, Jul 31, 2015
    RE: LEED NC - v4 MRc3 Wood products
    in NC-v4: Building product disclosure and optimization - sourcing of raw materials
    38 Karin Miller
    Sustainability Manager
    YR&G
    Fri, Jul 31, 2015
    RE: Existing and New Construction
    in NC 2009 EAp2: Minimum Energy Performance
    2,982 Haojie Wang
    Energy Modeler
    KJWW Engineering
    Fri, Jul 31, 2015
    RE: Prescriptive: Differents visible light transmittances
    in CS 2009 IEQc8.1: Daylight and Views—Daylight
    112 Todd Reed
    Daylight Designer
    7group
    Fri, Jul 31, 2015
    RE: Emissivity Values are Unknown
    in NC 2009 SSc7.2: Heat Island Effect—Roof
    282 ryan kremer
    Fri, Jul 31, 2015
    United States
    Emissivity Values are Unknown
    in NC v2.2 SSc7.2: Heat Island Effect—Roof
    77 ryan kremer
    Fri, Jul 31, 2015
    United States
    Standby Cooling
    in NC 2009 EAc4: Enhanced Refrigerant Management
    130 Lara Cogill
    Fri, Jul 31, 2015
    Saudi Arabia
    RE: SRI of wood?
    in NC 2009 SSc7.1: Heat Island Effect—Nonroof
    267 Ermal Dauti
    EGS-plan International GmbH
    Fri, Jul 31, 2015
    RE: Do we include Non-certifiable structure in Building gross area?
    in MPR7: Must comply with a minimum building area to site area ratio
    10 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE
    Fri, Jul 31, 2015
    RE: "Preserve from development activity 40% of the greenfield area"
    in NC-v4: Site development - protect or restore habitat
    4 Trista Little
    Sustainability Manager
    YR&G
    Thu, Jul 30, 2015
    RE: How are individual guestroom VTACs calculated?
    in NC-v4: Advanced energy metering
    13 Joshua Radoff
    Principal, LEEDuser Primary Author
    YRG sustainability
    Thu, Jul 30, 2015
    RE: Process Energy Savings - Exceptional Calculation - Dry Coolers
    in NC 2009 EAc1: Optimize Energy Performance
    1,180 Marcus Sheffer
    LEED Fellow
    7group
    Thu, Jul 30, 2015
    RE: Commissioning Documents
    in NC 2009 EAp1: Fundamental Commissioning of Building Energy Systems
    293 Scott Bowman
    LEED Fellow
    Integrated Design + Energy Advisors, LLC
    Thu, Jul 30, 2015
    RE: Aerosol Adhesives
    in NC 2009 IEQc4.1: Low-Emitting Materials—Adhesives and Sealants
    451 Kathryn West
    LEED AP BD+C, O+M, Green Globes Professional, Guiding Principles Compliance Professional
    Energy Ace
    Thu, Jul 30, 2015
    Professional Engineer
    in EBOM-v4: Minimum energy performance
    10 Charalampos Giannikopoulos
    Founder
    DCarbon
    Thu, Jul 30, 2015
    Desktop C02 Monitors
    in NC 2009 IEQc1: Outdoor Air Delivery Monitoring
    254 Diego Garcia
    Architect LEED AP
    Wed, Jul 29, 2015
    Mexico
    Title Comments Most Recent Post Location
    Low emtting materials - measurement - by André Knutsson
    Thu, Feb 18, 2010
    RE: The term "Registered" in the US
    in Registered Civil Engineer
    4 Jean Marais
    b.i.g. Bechtold DesignBuilder Expert
    Wed, Feb 17, 2010
    Multiple Buildings in LEED-EB: O&M
    in Multiple Buildings in LEED-EB: O&M
    3 Chris Nixon
    Manager, Sustainable Solutions
    BRSC
    Tue, Feb 16, 2010
    You Choose the LEED Project Boundary
    in One site, Multiple Buildings
    2 Sherry Bonelli
    LEED Project Manager/Consultant
    BudSprout LLC -- SucceedAtLEED.com
    Mon, Feb 15, 2010
    treat terraces like roof
    in How are roof terraces defined under LEED SSc7.2 for SRI calculations?
    2 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Wed, Mar 24, 2010
    Great subject. I would add to
    in Smoking in LEED Buildings
    2 Jean Marais
    b.i.g. Bechtold DesignBuilder Expert
    Sun, Feb 14, 2010
    Speaker suggestions for "Growing the Green Casino" - by brett basara
    Sun, Feb 14, 2010
    RE: can you say more?
    in Supplier Participation In Open House (LEED For Homes)
    2 Byron Woodworth
    Sun, Feb 14, 2010
    similar to zero-lot-line situation
    in Question: Construction Activity Pollution Plan - SS Pr.1
    1 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Sun, Feb 14, 2010
    Commercial Interiors
    in SSc1- Option 2, Path 5
    2 Sarah Brede
    Sun, Feb 14, 2010
    New technology not eligible for ID point
    in BIM(Building Information Modeling)can be used for pursue ID credit?
    1 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Sun, Feb 14, 2010
    VOC Budget Method saved the day!
    in Top-10 LEED Snafus.... And Tips to Avoid Them
    2 Andrea Anderson
    Architect
    The Clark Enersen Partners
    Sun, Feb 14, 2010
    RE: How are fees determined?
    in LEED registration and certification fees
    4 Ben Stanley
    Sustainability Manager
    YRG sustainability
    Fri, Jan 29, 2010
    RE: Thank you very much. Your
    in Required Signatory
    3 Shannon Gray
    Consultant
    YRG sustainability
    Sun, Feb 14, 2010
    Seems like one rack is okay
    in CI SS C3.2- Bicycle Storage and Changing Rooms
    1 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Sun, Feb 14, 2010
    As a CIR?
    in Can LEED NC 2009 credits be applied to Schools 2009 certification and vice versa?
    1 Joshua Radoff
    Principal, LEEDuser Primary Author
    YRG sustainability
    Sun, Feb 14, 2010
    NC2.2 EQc6.1 & EQc6.2 - Do the shared multi-occupant spaces need
    in NC2.2 EQc6.1 & EQc6.2 - Do the shared multi-occupant spaces need to match between credits?
    1 Shannon Gray
    Consultant
    YRG sustainability
    Sun, Feb 14, 2010
    LEED NC2.2 SSc4.3 & AGMBC
    in LEED NC2.2 SSc4.3 & AGMBC
    1 Steve Loppnow
    Sustainability Manager
    YR&G
    Sun, Feb 14, 2010
    Thread in IEQc3.2
    in Flush Out & Off Gassing
    2 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Jan 5, 2010
    RE: re: BIRC
    in EBOM 2009 IEQc3.6 IPM - Are the "least toxic" products listed by the BIRC LEED compliant?
    2 Drew Johnson
    LEED AP O+M
    Mon, Dec 28, 2009
    Title Comments Most Recent Post Location
    Testing with multiple systems in one space
    in NC 2009 IEQc3.2: Construction Indoor Air Quality Management Plan—Before Occupancy
    285 Nate Steeber
    Project Manager, Sustainability
    Sol design + consulting
    Thu, Apr 3, 2014
    United States
    RE: OPR for LEED ND
    in LEED for Neighborhood Development (LEED-ND) Forum
    186 Casey Studhalter
    Project Manager, LEED
    USGBC
    Wed, Apr 2, 2014
    Option1 Electric Vehicle Charging vs. Option2 Liquid/Gas/Battery
    in NC-2009: Green vehicles
    14 Maggie Pipek
    Wed, Apr 2, 2014
    #45 - Innovation or Pilot Credit
    in Pilot Credit 45: Site Assessment
    17 Alicja Bieszyńska
    Skanska
    Wed, Apr 2, 2014
    Case 1, Option 2 baseline
    in EBOM-2009 WEc3: Water Efficient Landscaping
    120 Ryan Tinus
    Sustainability Manager
    Tishman Speyer
    Tue, Apr 1, 2014
    RE: LEEDonline Form Access
    in leedonline.com access - is it possible???
    19 Cynthia Kaplan
    Principal
    cmk LEED
    Tue, Apr 1, 2014
    FTE Calculations for the Train Station (LEED CS 2009)
    in PIf3: Occupant and Usage Data
    9 Orçun Özhelvacı
    Quality Engineer - LEED Project Manager
    VEN ESCO
    Mon, Mar 31, 2014
    CS MPR2: reclaimed land without development previously
    in MPR2: Must be a complete, permanent building or space
    3 Vivien Wong
    Parsons Brinckerhoff
    Sun, Mar 30, 2014
    LEED v2.2 fees
    in Understanding the Cost of LEED-NC Project Certification
    79 Usama Eita
    Sat, Mar 29, 2014
    Storm dry pond onsite overflows to stormceptor
    in LEED Canada Forum
    45 Marie-France Duthilleul
    Engineer
    exp Services Inc.
    Fri, Mar 28, 2014
    Canada
    RE: n/a
    in NC 2009 IEQc7.1: Thermal Comfort—Design
    220 Scott Bowman
    LEED Fellow
    Integrated Design + Energy Advisors, LLC
    Thu, Mar 27, 2014
    Calculating total energy use for RECs purchase
    in EBOM 2009 EAc4: On-Site and Off-Site Renewable Energy
    99 Charalampos Giannikopoulos
    Founder
    DCarbon
    Thu, Mar 27, 2014
    Greece
    Question about the Performance Period & newley added credits
    in PIf4: Schedule and Overview Documents
    1 Bahareh van Boekhold
    Energy and Sustainability Planner
    Delaware Division of Energy and Climate
    Thu, Mar 27, 2014
    RE: Does an indoor sewage pit need exahust for EQc5?
    in CS 2009 IEQc5: Indoor Chemical and Pollutant Source Control
    96 Michelle Halle Stern
    LEED Fellow
    The Green Facilitator
    Wed, Mar 26, 2014
    RE: Does an indoor sewage pit need exahust for EQc5?
    in CS 2009 IEQc5: Indoor Chemical and Pollutant Source Control
    96 Michelle Halle Stern
    LEED Fellow
    The Green Facilitator
    Wed, Mar 26, 2014
    RE: LEED Baundary Campus - parking lot
    in MPR3: Must use a reasonable site boundary
    212 Anya Fiechtl
    ARCHITECT, LEED AP BD+C
    High Plains Architects
    Tue, Mar 25, 2014
    ERV serving 3 different tenants
    in CS 2009 IEQc1: Outdoor Air Delivery Monitoring
    59 Kristopher Lashley
    INVIRO Engineered Systems Ltd.
    Mon, Mar 24, 2014
    Canada
    RE: LEED Baundary Campus - parking lot
    in MPR3: Must use a reasonable site boundary
    212 Anya Fiechtl
    ARCHITECT, LEED AP BD+C
    High Plains Architects
    Mon, Mar 24, 2014
    RE: MR Project boundary in multi story building
    in MPR2: Must be a complete, permanent building or space
    6 Charles Nepps
    Sat, Mar 22, 2014
    RE: Defining Glazed Corners
    in Pilot Credit 55: Bird Collision Deterrence
    43 Heather DeGrella
    Sustainability Coordinator
    Opsis Architecture
    Thu, Mar 20, 2014
    United States
    Title Comments Post date Most Recent Postsort icon Location
    Acoustic performance
    in Data Centers-NC-v4: Acoustic performance
    1 neeraj arora
    Fri, Dec 19, 2014
    2014-12-19 04:34 India
    New Construction vs Major Renovation
    in NC 2009 EAp2: Minimum Energy Performance
    2,982 Ritwik Kakati
    Dagher Engineering, PLLC
    Thu, Dec 18, 2014
    2014-12-18 18:31 United States
    Can't create an ID point for this credit
    in CS 2009 SSc7.1: Heat Island Effect—Nonroof
    57 Alfonzo Collins
    Thu, Dec 18, 2014
    2014-12-18 17:37 United States
    Existing Building Flooring Reuse
    in NC 2009 IEQc4.3: Low-Emitting Materials—Flooring Systems
    352 Charalampos Giannikopoulos
    Founder
    DCarbon
    Thu, Dec 18, 2014
    2014-12-18 16:30 Greece
    Option 2
    in NC v2.2 MRc5: Regional Materials
    122 Diana Avalos
    Thu, Dec 18, 2014
    2014-12-18 13:48 Mexico
    LEED 2009 CI Preliminary Combined Review
    in CI-2009 IEQp1: Minimum IAQ Performance
    146 Aparna Maladkar
    Miss
    Thu, Dec 18, 2014
    2014-12-18 11:11 United Kingdom
    IEQp1 - LEED CI 2009
    in CI-2009 IEQp1: Minimum IAQ Performance
    146 Aparna Maladkar
    Miss
    Thu, Dec 18, 2014
    2014-12-18 11:05 United Kingdom
    signed lease agreement question
    in CS 2009 EAp2: Minimum Energy Performance
    961 emily reese
    Sustainability Consultant / Facility Planner
    Jacobs Engineering
    Thu, Dec 18, 2014
    2014-12-18 11:00 United States
    Process load significantly lower than 25%
    in NC 2009 EAp2: Minimum Energy Performance
    2,982 Panupant Phapant
    SCG Cement - Building Materials Co.,Ltd.
    Thu, Dec 18, 2014
    2014-12-18 03:20 Thailand
    Filter Replacement
    in CS 2009 IEQc3: Construction IAQ Management Plan—During Construction
    31 Andrew Ellsworth
    Ellsworth Building Portfolio Services
    Wed, Dec 17, 2014
    2014-12-17 23:13 United States
    ASHRAE 90.1 Chilled Beams Compliance
    in Start a New LEED Discussion Topic
    192 Federico Taboada
    Architect
    ECOSTUDIOXV
    Wed, Dec 17, 2014
    2014-12-17 19:58 United States
    Renewable Energy
    in CI-v4: Renewable energy production
    1 Ulrika Nobelius
    White Arkitekter AB
    Wed, Dec 17, 2014
    2014-12-17 15:05 Sweden
    How to prove compliance with Mechanical Ventilation
    in NC 2009 EAp2: Minimum Energy Performance
    2,982 Praveen Raj
    Energy Analyst
    Wed, Dec 17, 2014
    2014-12-17 05:53 India
    Submeters to measure AND RECORD energy use
    in CI 2009 EAc3: Measurement and Verification
    146 Michael Smithing
    Director - Green Building Advisory
    Colliers International
    Wed, Dec 17, 2014
    2014-12-17 05:44 Sweden
    Lighting boundary SSc6 in new
    in NC-v4: Light pollution reduction
    46 Ilse Dijkstra-Nugteren
    Wed, Dec 17, 2014
    2014-12-17 05:18 Netherlands
    Heat gain originating from hooded equipment in energy modeling
    in NC 2009 EAp2: Minimum Energy Performance
    2,982 Panupant Phapant
    SCG Cement - Building Materials Co.,Ltd.
    Wed, Dec 17, 2014
    2014-12-17 03:16 Thailand
    VAV Fan control for baseline system 6
    in NC 2009 EAp2: Minimum Energy Performance
    2,982 Panupant Phapant
    SCG Cement - Building Materials Co.,Ltd.
    Tue, Dec 16, 2014
    2014-12-17 00:37 Thailand
    Is there any Credit Language for this
    in Schools-2009: Social equity within the project team
    2 Vada Kornegay
    Tue, Dec 16, 2014
    2014-12-16 17:49 United States
    ETS During Construction
    in NC-v4: Environmental tobacco smoke control
    2 Laurie Winter
    Tue, Dec 16, 2014
    2014-12-16 17:17 Canada
    Insulation - option 2 budget calculation method
    in NC-v4: Low emitting materials
    111 CAROLINE PIN
    In charge of environmental certification on a jobsite
    EIFFAGE CONSTRUCTION
    Tue, Dec 16, 2014
    2014-12-16 13:20 France

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