Entry Type ID Date Applicable Rating System Primary Credit Inquiry (LIs) Ruling (LIs) Related Addenda/LIs Related Resources Campus Applicable Internationally Applicable Country Applicability Reference Guide (Addenda) Page (Addenda) Location (Addenda) Description of Change (Addenda) "Reference Guide Correction" "100000642" "2009-10-27" "Homes" "EQc10: Garage Pollutant Protection" "None" "None" "Homes, 2008 edition" "327" "Synergies and Trade-offs" """A project receiving points for EQ 10.1 is not eligible to earn points..."" change to ""A project receiving points for EQ 1 is not eligible to earn points...""" "Reference Guide Correction" "100000641" "2009-10-27" "Homes" "EQc10: Garage Pollutant Protection" "None" "None" "Homes, 2008 edition" "327" "credit language, 10.2 (a)" "a) In conditioned spaces above the garage: \ni) Seal all penetrations; \nii) Seal all connecting floor and ceiling joist bays; and \niii) Paint walls and ceilings (carbon monoxide can penetrate unfinished drywall through diffusion). \n\nChange to\n\na) In conditioned spaces above the garage:\ni) Seal all penetrations;\nii) Seal all connecting floor and ceiling joist bays.\n" "Reference Guide Correction" "100000644" "2009-10-27" "Homes" "EQc10: Garage Pollutant Protection" "None" "None" "Homes, 2008 edition" "329" "Column 1" "[Add new paragraph before the last paragraph that starts ""If the project includes a garage...]\n""There cannot be a door from an air handling unit closet that opens into the garage. The access door to an air handling unit must open into the living space, or the exterior of the building.""\n" "Reference Guide Correction" "100000645" "2009-10-27" "Homes" "EQc10: Garage Pollutant Protection" "None" "None" "Homes, 2008 edition" "329" "Column 2, 4th paragraph" """Paint the garage interior to create a barrier to carbon monoxide."" [no replacement - just delete]" "Reference Guide Correction" "100000646" "2009-10-27" "Homes" "EQc10: Garage Pollutant Protection" "None" "None" "Homes, 2008 edition" "330" "Column 2, under Economic Issues" """Air sealing and painting are inexpensive. The exhaust fan should be moderate cost."" change to ""Air sealing is inexpensive. Installing an exhaust fan should be a moderate cost.""" "Reference Guide Correction" "100000643" "2009-10-27" "Homes" "EQc10: Garage Pollutant Protection" "None" "None" "Homes, 2008 edition" "329" "Column 1, 1st paragraph" """Carbon monoxide can even penetrate unfinished drywall through diffusion."" [no replacement - just delete]" "LEED Interpretation" "10171" "2012-04-01" "Homes, Mid-rise" "EQc10: Garage Pollutant Protection" "Is it acceptable to locate the AHU in a sealed mechanical closet or room that only opens into the garage?" "An air handler unit may be not be located in a mechanical closet or room that only opens into the garage unless the following are met: 1) the mechanical closet that holds the AHU is fully isolated from the garage; 2) the mechanical closet is directly connected to the living space or outdoors; 3) the doors to the mechanical closet are sealed and gasketed; 4) the doors to the mechanical closet are either self-closing OR tied to a trigger that prevents the AHU from operating when the doors are open OR clear signage is posted to keep the doors closed at all times and the homeowner or building manager is trained on the importance of keeping garage air out of the mechanical closet; and 5) a 3rd party has verified (using a blower door test) that the mechanical closet has less than 2 Pa of connection to the garage when the house is depressurized to 50 Pa. Updated 10/1/13 for rating system applicability. " "2746" "None" "LEED Interpretation" "10172" "2012-04-01" "Homes" "EQc10: Garage Pollutant Protection" "Is it acceptable to locate the AHU in a sealed mechanical closet or room that only opens into the garage - in a multi-family building? The ruling EQ 10-09a seems to only apply to single-family homes." "Multi-family buildings must meet the requirements in EQ 10-09a. Where a diagnostic test showing minimal air flow (see item #5) is not possible, the project team must still fully air seal the AHU closet but verification of the air sealing can be conducted visually by the Green Rater." "None" "None" "LEED Interpretation" "10255" "2012-10-01" "Homes" "EQc10: Garage Pollutant Protection" "Can ducted exhaust fans that are less than 100cfm be installed to earn EQc 10.3 so long as the fan tests more than 70cfm?" "Projects going for 10.3 can earn one point for installing ducted fans that are less than 100 cfm as long as the fan tests more than 70 cfm." "10257" "None" "LEED Interpretation" "1337" "2006-01-01" "Homes" "EQc10: Garage Pollutant Protection" "Do carports qualify for credit? What if the carport has two walls? " "Yes, but carports with more than one wall must meet the requirements of the credit (e.g. install exhaust fan, as per 10.3). If a builder can demonstrate that the carport design meets the intent of this requirement, specific details must be submitted and the TASC will consider it." "None" "None" "LEED Interpretation" "1777" "2007-06-19" "Homes, Mid-rise" "EQc10: Garage Pollutant Protection" "Generally, where is the garage plane defined for IEQ credit 10? If the supply ducting is installed above the garage, is that acceptable? The ducts are sealed, and the garage ceiling is painted drywall and sealed using caulked Thermopan and spray foam. " "Within LEED for Homes, the garage is defined by its fire-rated envelope, so any ducts that are located outside the fire-rated envelope are considered outside of the garage. See EQ 10-09a for details about locating the AHU in a sealed closet that opens into the garage. Updated 10/1/13 for rating system applicability. " "None" "None" "LEED Interpretation" "1901" "2007-09-05" "Homes" "EQc10: Garage Pollutant Protection" "This credit was crafted for single-family homes. This multi-family project has underground parking with mandatory 96,000 cfm exhaust system specifically for the garage. Are there any multi-unit modifications to allow 10.3 to be claimed?" "Multi-family buildings should use the following language for IEQ 10.3: Exhaust the garage sufficiently to create negative pressure with respect to adjacent spaces with the doors to the room closed. Provide self-closing doors and deck to deck partitions or a hard lid ceiling. The exhaust rate shall be at least 0.50 cfm/ ft2, with no air recirculation. " "None" "None" "LEED Interpretation" "2005" "2008-01-17" "Homes, Mid-rise" "EQc10: Garage Pollutant Protection" "This credit includes the language ""Seal all connecting floor and ceiling joist bays"". We assume that this refers to the seams between the walls of the garage and the ceiling. What does it mean?" "The intent of this requirement is to ensure a continuous air barrier between the garage and the rest of the home. Please see the EEBA guides for more specifics on how best to achieve a continuous air barrier. Updated 10/1/13 for rating system applicability. " "None" "None" "LEED Interpretation" "2073" "2008-04-01" "Homes, Mid-rise" "EQc10: Garage Pollutant Protection" "We have a home that plans to have two separate HVAC systems - one for the garage and one for the home. In this case, is it okay if the HVAC system that serves the garage is located in the garage?" "Yes, if the HVAC systems are completely separate (i.e. no shared ductwork, no shared AHU, etc.) then it is okay to have the garage HVAC system located in the garage itself. Updated 10/1/13 for rating system applicability. " "None" "None" "X" "LEED Interpretation" "2574" "2009-06-13" "Homes" "EQc10: Garage Pollutant Protection" "EQ 10.2, part a) iii) requires that the walls and ceilings of the garage be painted, but it also seems to assume that the garage walls are drywall. If this building has concrete garage walls and the garage is ventilated (per code), do the walls still need to be painted to earn this credit?" "Upon review, painting has not been shown to be effective in limiting CO exposure. Part a-iii is not required by any project as a condition for earning EQ 10.2. In the future, the TASC may replace this requirement with a more effective sealant requirement, but until then this credit may be earned by meeting all other requirements. " "None" "None" "LEED Interpretation" "2746" "2009-12-29" "None" "EQc10: Garage Pollutant Protection" "Is it acceptable to locate the AHU in a sealed cabinet or room that only opens into the garage?" "***This LEED Interpretation has been updated in LI 10171. Projects registered after 4/1/2012 must follow LI 10171.***\n\nThe AHU may not be located in a closet or cabinet that only opens into the garage. The AHU may be located in a room that is adjacent to the garage, but only if it is directly connected to the living space and the door to the garage is sealed, gasketed, and self-closing." "10171" "None" "LEED Interpretation" "10357" "2014-01-01" "Mid-rise" "EQc6 - Garage pollutant protection" "If a project has a garage where two or more sides comprise walls that are at least 50% open to the outside, (meeting ASHRAE 62.1-2007 Table 6-4 Minimum Exhaust Rates note C), would the project still be eligible for EQ 10.2 without providing continuous exhaust, which is required in part d of the credit?" "Garage exhaust is not required for projects to meet EQ10.2 d) ‘Exhaust Fan in Garage’ if two or more sides of the garage comprise walls that are at least 50% open to the outside, in accordance with ASHRAE 62.1-2007, Table 6-4 Note C. All other measures of the credit must still be met. " "None" "None" "X"