Thermal Comfort - Design

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Glossary

IntentProvide a comfortable thermal environment that supports and promotes occupantproductivity and well-being andprovide for the assessment of building occupants thermal comfort over time.To provide a comfortable thermal environment that promotes occupant productivity andwell-being.To provide a comfortable thermal environment that promotes occupant productivity andwell-being.To provide a comfortable thermal environment that promotes occupant productivity andwell-being.Provide a comfortable thermal environment that supports the productivity and well-being of building occupants.Provide a thermally comfortable environment that supports the productivity and well-being of tenant space occupants.Provide a thermally comfortable environment that supports the productivity and well-being of tenant space occupants.Provide a comfortable thermal environment that supports the productivity and well-being of building occupants.Provide a comfortable thermal environment that supports the productivity and well-being of building occupants.Provide a comfortable thermal environment that supports the productivity and well-being of building occupants.Provide a thermally comfortable environment that supports the productivity and well-being of building occupants.Provide for a thermally comfortable environment that supports the productive andhealthy performance of the building occupants.To promote occupants productivity, comfort, and well-being by providing qualitythermal comfort.To promote occupants productivity, comfort, and well-being by providing qualitythermal comfort.To promote occupants productivity, comfort, and well-being by providing qualitythermal comfort.To promote occupants productivity, comfort, and well-being by providing qualitythermal comfort.To promote occupants productivity, comfort, and well-being by providing qualitythermal comfort.To promote occupants productivity, comfort, and well-being by providing qualitythermal comfort.To promote occupants productivity, comfort, and well-being by providing qualitythermal comfort.To promote occupants productivity, comfort, and well-being by providing qualitythermal comfort.To promote occupants productivity, comfort, and well-being by providing qualitythermal comfort.To promote occupants productivity, comfort, and well-being by providing qualitythermal comfort.To promote occupants productivity, comfort, and well-being by providing qualitythermal comfort.To promote occupants productivity, comfort, and well-being by providing qualitythermal comfort.To promote occupants productivity, comfort, and well-being by providing qualitythermal comfort.To promote occupants productivity, comfort, and well-being by providing qualitythermal comfort.To promote occupants productivity, comfort, and well-being by providing quality

Thermal comfort - designThermal comfort - designEQ6.1 | EQ6.1 | Possible Possible pointpoint

thermal comfort.To provide a comfortable thermal environment that promotes occupant productivity andwell-being.To provide a comfortable thermal environment that promotes occupant productivity andwell-being.To promote occupants productivity, comfort, and well-being by providing qualitythermal comfort.

RequirementsDesign heating, ventilating and air conditioning (HVAC) systems and the buildingenvelope to meet the requirements of one of the options below, and local codes orcurrent 2010 FGI Guidelines for Design and Construction of Health Care Facilities (Table2.1-2: Ventilation Requirements for Areas Affecting Patient Care in Hospitals andOutpatient Facilities), where local codes do not apply. Demonstrate design compliancein accordance with the Section 6.1.1 documentation.Option 1. ASHRAE standard 55-2004 or non-U.S. equivalentMeet the requirements of ASHRAE Standard 55-2004, Thermal Comfort Conditions forHuman Occupancy (with errata but without addenda ). Demonstrate design compliancein accordance with the Section 6.1.1 documentation. Projects outs ide the U.S. may usea local equivalent to ASHRAE Standard 55-2004 Thermal Comfort Conditions for HumanOccupancy Section 6.1.1.Option 2. ISO 7730: 2005 & CEN standard EN 15251: 2007Projects outs ide the U.S. may earn this credit by designing heating, ventilating and airconditioning (HVAC) systems and the building envelope to meet the requirements ofInternational Organization for Standardization (ISO) 7730: 2005 Ergonomics of thethermal environment, Analytical determination and interpretation of thermal comfortusing calculation of the PMV and PPD indices and local thermal comfort criteria; andCEN Standard EN 15251: 2007, Indoor environmental input parameters for design andassessment of energy performance of buildings addressing indoor air quality, thermalenvironment, lighting and acoustics.ANDProvide a permanent monitoring system to ensure that the building performs to thedesired comfort criteria as determined above.Agree to implement a thermal comfort survey of building occupants2 within a period ofs ix to 18 months after occupancy. The survey shall collect anonymous responses aboutthermal comfort in the building, including an assessment of overall satis faction withthermal performance and identification of thermal comfort-related problems. Agree todevelop a plan for corrective action if the survey results indicate that more than 20% ofoccupants are dissatis fied with thermal comfort in the building. The plan shall includemeasurement of relevant environmental variables in problem areas in accordance withthe standard selected above and 2010 FGI Guidelines for Design and Construction ofHealth Care Facilities.

1 Project teams wishing to use ASHRAE approved addenda for the purposes of this prerequisite may do so at theirdiscretion. Addenda must be applied consistently across all LEED credits.

2 In acute care hospitals and outpatient healthcare projects, occupants are defined as full-time staff. For residential healthcare occupancies, such as long term care or rehabilitation facilities, occupants include both full-time staff and residents.

Design heating, ventilating and air conditioning (HVAC) systems and the buildingenvelope to meet the requirements of one of the options below:The core and shell base building mechanical system must allow for the tenant build-outto meet the requirements of this credit. See Appendix 1 Default Occupancy Countsfor occupancy count requirements and guidance. Project teams that design their projectfor mechanical ventilation that do not purchase or install the mechanical system are noteligible achieve this credit.Option 1. ASHRAE standard 55-2004 or non-U.S. equivalentMeet the requirements of ASHRAE Standard 55-2004, Thermal Comfort Conditions forHuman Occupancy (with errata but without addenda1). Demonstrate design compliancein accordance with the Section 6.1.1 documentation. Projects outs ide the U.S. may usea local equivalent to ASHRAE Standard 55-2004 Thermal Comfort Conditions for HumanOccupancy Section 6.1.1. [India ACP: Thermal Comfort]Option 2. ISO 7730: 2005 & CEN standard EN 15251: 2007Projects outs ide the U.S. may earn this credit by designing heating, ventilating and airconditioning (HVAC) systems and the building envelope to meet the requirements ofInternational Organization for Standardization (ISO) 7730: 2005 Ergonomics of thethermal environment, Analytical determination and interpretation of thermal comfortusing calculation of the PMV and PPD indices and local thermal comfort criteria; andCEN Standard EN 15251: 2007, Indoor environmental input parameters for design andassessment of energy performance of buildings addressing indoor air quality, thermalenvironment, lighting and acoustics.


Design heating, ventilating and air conditioning (HVAC) systems and the buildingenvelope to meet the requirements of one of the options below:For natatoriums, demonstrate compliance with the Typical Natatorium Design

Conditions defined in Chapter 4 (Places of Assembly) of the ASHRAE HVAC ApplicationsHandbook, 2003 edition (with errata but without addenda 1).


Design heating, ventilating and air conditioning (HVAC) systems and the buildingenvelope to meet the requirements of one of the options below:


Alternative Compliance Paths (ACPs)India ACP: ASHRAE 55-2004 EquivalentProjects in India may meet the desired comfort criteria specified in the following as alocal equivalent to ASHRAE 55-2004:

For mechanically conditioned buildings, NBC 2005 Part 8, Section 3 - Table 2For naturally conditioned buildings, NBC 2005 Part 8, Section 1 - Table 9Design HVAC systems and the building envelope to meet the requirements of ASHRAEStandard 55-2004, Thermal Comfort Conditions for Human Occupancy. Demonstratedesign compliance in accordance with the Section 6.1.1 Documentation.Comply with ASHRAE Standard 55-2004, Thermal Comfort Conditions for HumanOccupancy.Provide a permanent monitoring system and process for corrective action to ensureperformance to the desired comfort criteria as determined by EQ Credit 7.1, ThermalComfort, Compliance.Comply with ASHRAE Standard 55-2004, Thermal Comfort Conditions for HumanOccupancy.Design HVAC systems and the building envelope to meet the requirements of ASHRAEStandard 55-2004, Thermal Comfort Conditions for Human Occupancy. Demonstratedesign compliance in accordance with the Section 6.1.1 Documentation.For natatoriums, demonstrate compliance with the Typical Natatorium DesignConditions defined in Chapter 4 (Places of Assembly) of the ASHRAE HVACApplications Handbook, 2003 edition.Design HVAC systems and the building envelope to meet the requirements of ASHRAEStandard 55-2004, Thermal Comfort Conditions for Human Occupancy. Demonstratedesign compliance in accordance with the Section 6.1.1 Documentation.See Appendix 1 Default Occupancy Counts for occupancy count requirements andguidance.The core and shell base building mechanical system must provide the capability forthe tenant build-out to meet the requirements of this credit.Core & Shell buildings designed for mechanical ventilation that do not purchaseand/or install the mechanical system can not achieve this credit.Comply with ASHRAE Standard 55-1992, Addenda 1995, for thermal comfortstandards including humidity control within established ranges per climate zone. Fornaturally ventilated buildings, utilize the adaptive comfort temperature boundaries,us ing the 90% acceptability limits as defined in the California High PerformanceSchools (CHPS) Best Practices Manual, Appendix C A Field Based Thermal ComfortStandard for Naturally Ventilated Buildings, Figure 2.Comply with ASHRAE Standard 55-1992, Addenda 1995 for thermal comfort standardsincluding humidity control within established ranges per climate zone.Meet the requirements for both thermal comfort design and thermal comfort control.Thermal comfort designOption 1. ASHRAE Standard 55-2010Design heating, ventilating, and air-conditioning (HVAC) systems and the buildingenvelope to meet the requirements of ASHRAE Standard 552010, Thermal ComfortConditions for Human Occupancy, with errata or a local equivalent.For natatoriums, demonstrate compliance with ASHRAE HVAC Applications Handbook,2011 edition, Chapter 5, Places of Assembly, Typical Natatorium Design Conditions,with errata.OROption 2. ISO and CEN StandardsDesign HVAC systems and the building envelope to meet the requirements of theapplicable standard:

ISO 7730:2005, Ergonomics of the Thermal Environment, analytical determination andinterpretation of thermal comfort, using calculation of the PMV and PPD indices and local thermalcomfort criteria; andCEN S tandard EN 15251:2007, Indoor Environmental Input Parameters for Design and Assessmentof Energy Performance of Buildings, addressing indoor air quality, thermal environment, lighting,and acoustics, Section A2.

Thermal comfort controlProvide individual thermal comfort controls for at least 50% of individual occupantspaces. Provide group thermal comfort controls for all shared multioccupant spaces,and for any individual occupant spaces without individual controls .Thermal comfort controls allow occupants, whether in individual spaces or sharedmultioccupant spaces, to adjust at least one of the following in their localenvironment: air temperature, radiant temperature, air speed, and humidity.

Meet the requirements for both thermal comfort design and thermal comfort control.Thermal comfort designOption 1. ASHRAE Standard 55-2010Design heating, ventilating, and air-conditioning (HVAC) systems and the buildingenvelope to meet the requirements of ASHRAE Standard 552010, Thermal ComfortConditions for Human Occupancy, with errata or a local equivalent.For natatoriums, demonstrate compliance with ASHRAE HVAC Applications Handbook,2011 edition, Chapter 5, Places of Assembly, Typical Natatorium Design Conditions,with errata.Option 2. ISO and CEN StandardsDesign HVAC systems and the building envelope to meet the requirements of theapplicable standard:


Meet the above requirements for regularly occupied spaces.Thermal comfort controlProvide individual thermal comfort controls for at least 50% of individual occupantspaces. Provide group thermal comfort controls for all shared multioccupant spaces,and for any individual occupant spaces without individual controls .Thermal comfort controls allow occupants, whether in individual spaces or sharedmultioccupant spaces, to adjust at least one of the following in their localenvironment: air temperature, radiant temperature, air speed, and humidity.Meet the requirements for both thermal comfort design and thermal comfort control.Thermal comfort designOption 1. ASHRAE Standard 55-2010Design heating, ventilating, and air-conditioning (HVAC) systems and the buildingenvelope to meet the requirements of ASHRAE Standard 552010, Thermal ComfortConditions for Human Occupancy, with errata or a local equivalent.For natatoriums, demonstrate compliance with ASHRAE HVAC Applications Handbook,2011 edition, Chapter 5, Places of Assembly, Typical Natatorium Design Conditions,with errata.OROption 2. ISO and CEN StandardsDesign HVAC systems and the building envelope to meet the requirements of theapplicable standard:


Meet the above requirements for office portions of the building.In regularly occupied areas of the buildings bulk storage, sorting, and distributionareas, include one or more of the following design alternatives:

radiant flooring;c irculating fans;passive systems, such as nighttime air, heat venting, or wind flow;localized active cooling (refrigerant or evaporative-based systems) or heating systems; andlocalized, hard-wired fans that provide air movement for occupants comfort.

Provide a narrative describing any thermal comfort strategies not listed above.Thermal comfort controlProvide individual thermal comfort controls for at least 50% of individual occupantspaces. Provide group thermal comfort controls for all shared multioccupant spaces,and for any individual occupant spaces without individual controls .Thermal comfort controls allow occupants, whether in individual spaces or sharedmultioccupant spaces, to adjust at least one of the following in their localenvironment: air temperature, radiant temperature, air speed, and humidity.Meet the requirements for both thermal comfort design and thermal comfort control.Thermal comfort designOption 1. ASHRAE Standard 55-2010Design heating, ventilating, and air-conditioning (HVAC) systems and the buildingenvelope to meet the requirements of ASHRAE Standard 552010, Thermal ComfortConditions for Human Occupancy, with errata or a local equivalent.For natatoriums, demonstrate compliance with ASHRAE HVAC Applications Handbook,2011 edition, Chapter 5, Places of Assembly, Typical Natatorium Design Conditions,with errata.OROption 2. ISO and CEN StandardsDesign HVAC systems and the building envelope to meet the requirements of theapplicable standard:

ISO 7730:2005, Ergonomics of the Thermal Environment, analytical determination andinterpretation of thermal comfort, using calculation of the PMV and PPD indices and local thermal

comfort criteria; andCEN S tandard EN 15251:2007, Indoor Environmental Input Parameters for Design and Assessmentof Energy Performance of Buildings, addressing indoor air quality, thermal environment, lighting,and acoustics, Section A2.

Thermal comfort controlProvide individual thermal comfort controls for at least 50% of individual occupantspaces. Provide group thermal comfort controls for all shared multioccupant spaces,and for any individual occupant spaces without individual controls .Thermal comfort controls allow occupants, whether in individual spaces or sharedmultioccupant spaces, to adjust at least one of the following in their localenvironment: air temperature, radiant temperature, air speed, and humidity.Guest rooms are assumed to provide adequate thermal comfort controls and aretherefore not included in the credit calculations.Meet the requirements for both thermal comfort design and thermal comfort control.Thermal comfort designOption 1. ASHRAE Standard 55-2010Design heating, ventilating, and air-conditioning (HVAC) systems and the buildingenvelope to meet the requirements of ASHRAE Standard 552010, Thermal ComfortConditions for Human Occupancy, with errata or a local equivalent.For natatoriums, demonstrate compliance with ASHRAE HVAC Applications Handbook,2011 edition, Chapter 5, Places of Assembly, Typical Natatorium Design Conditions,with errata.OROption 2. ISO and CEN StandardsDesign HVAC systems and the building envelope to meet the requirements of theapplicable standard:


Thermal comfort controlProvide individual thermal comfort controls for at least 50% of individual occupantspaces. Provide group thermal comfort controls for all shared multioccupant spaces,and for any individual occupant spaces without individual controls .Thermal comfort controls allow occupants, whether in individual spaces or sharedmultioccupant spaces, to adjust at least one of the following in their localenvironment: air temperature, radiant temperature, air speed, and humidity.Guest rooms are assumed to provide adequate thermal comfort controls and aretherefore not included in the credit calculations.Meet the requirements for both thermal comfort design and thermal comfort control.Thermal comfort designOption 1. ASHRAE Standard 55-2010Design heating, ventilating, and air-conditioning (HVAC) systems and the buildingenvelope to meet the requirements of ASHRAE Standard 552010, Thermal ComfortConditions for Human Occupancy, with errata or a local equivalent.For natatoriums, demonstrate compliance with ASHRAE HVAC Applications Handbook,2011 edition, Chapter 5, Places of Assembly, Typical Natatorium Design Conditions,with errata.OROption 2. ISO and CEN StandardsDesign HVAC systems and the building envelope to meet the requirements of theapplicable standard:


Thermal comfort controlProvide individual thermal comfort controls for at least 50% of individual occupantspaces. Provide group thermal comfort controls for all shared multioccupant spaces,and for any individual occupant spaces without individual controls .Thermal comfort controls allow occupants, whether in individual spaces or sharedmultioccupant spaces, to adjust at least one of the following in their localenvironment: air temperature, radiant temperature, air speed, and humidity.Meet the above requirements for at least 50% of the individual occupant workspacesin office and administrative areas.Meet the requirements for both thermal comfort design and thermal comfort control.Thermal comfort designOption 1. ASHRAE Standard 55-2010Design heating, ventilating, and air-conditioning (HVAC) systems and the buildingenvelope to meet the requirements of ASHRAE Standard 552010, Thermal ComfortConditions for Human Occupancy, with errata or a local equivalent.For natatoriums, demonstrate compliance with ASHRAE HVAC Applications Handbook,2011 edition, Chapter 5, Places of Assembly, Typical Natatorium Design Conditions,

with errata.OROption 2. ISO and CEN StandardsDesign HVAC systems and the building envelope to meet the requirements of theapplicable standard:


Thermal comfort controlProvide individual thermal comfort controls for at least 50% of individual occupantspaces. Provide group thermal comfort controls for all shared multioccupant spaces,and for any individual occupant spaces without individual controls .Thermal comfort controls allow occupants, whether in individual spaces or sharedmultioccupant spaces, to adjust at least one of the following in their localenvironment: air temperature, radiant temperature, air speed, and humidity.Meet the above requirements for at least 50% of the individual occupant workspacesin office and administrative areas.Meet the requirements for both thermal comfort design and thermal comfort control.Thermal comfort designOption 1. ASHRAE Standard 55-2010Design heating, ventilating, and air-conditioning (HVAC) systems and the buildingenvelope to meet the requirements of ASHRAE Standard 552010, Thermal ComfortConditions for Human Occupancy, with errata or a local equivalent.For natatoriums, demonstrate compliance with ASHRAE HVAC Applications Handbook,2011 edition, Chapter 5, Places of Assembly, Typical Natatorium Design Conditions,with errata.OROption 2. ISO and CEN StandardsDesign HVAC systems and the building envelope to meet the requirements of theapplicable standard:


Thermal comfort controlProvide individual thermal comfort controls for at least 50% of individual occupantspaces. Provide group thermal comfort controls for all shared multioccupant spaces,and for any individual occupant spaces without individual controls .Thermal comfort controls allow occupants, whether in individual spaces or sharedmultioccupant spaces, to adjust at least one of the following in their localenvironment: air temperature, radiant temperature, air speed, and humidity.Meet the requirements for both thermal comfort design and thermal comfort control.Thermal comfort designOption 1. ASHRAE Standard 55-2010Design heating, ventilating, and air-conditioning (HVAC) systems and the buildingenvelope to meet the requirements of ASHRAE Standard 552010, Thermal ComfortConditions for Human Occupancy, with errata or a local equivalent.For natatoriums, demonstrate compliance with ASHRAE HVAC Applications Handbook,2011 edition, Chapter 5, Places of Assembly, Typical Natatorium Design Conditions,with errata.OROption 2. ISO and CEN StandardsDesign HVAC systems and the building envelope to meet the requirements of theapplicable standard:


Thermal comfort controlProvide individual thermal comfort controls for at least 50% of individual occupantspaces. Provide group thermal comfort controls for all shared multioccupant spaces,and for any individual occupant spaces without individual controls .Thermal comfort controls allow occupants, whether in individual spaces or sharedmultioccupant spaces, to adjust at least one of the following in their localenvironment: air temperature, radiant temperature, air speed, and humidity.Meet the requirements for both thermal comfort design and thermal comfort control.Thermal comfort designOption 1. ASHRAE Standard 55-2010Design heating, ventilating, and air-conditioning (HVAC) systems and the buildingenvelope to meet the requirements of ASHRAE Standard 552010, Thermal Comfort

Conditions for Human Occupancy, with errata or a local equivalent.For natatoriums, demonstrate compliance with ASHRAE HVAC Applications Handbook,2011 edition, Chapter 5, Places of Assembly, Typical Natatorium Design Conditions,with errata.OROption 2. ISO and CEN StandardsDesign HVAC systems and the building envelope to meet the requirements of theapplicable standard:


Thermal comfort controlProvide individual thermal comfort controls for every patient room, at least 50% of theremaining individual occupant spaces, and all multioccupant spaces.Thermal comfort controls allow occupants, whether in individual spaces or sharedmultioccupant spaces, to adjust at least one of the following in their localenvironment: air temperature, radiant temperature, air speed, and humidity.

EstablishmentOption 1. ASHRAE 552010 [India ACP: Thermal Comfort NBC]Have a permanent monitoring system to ensure ongoing building performance to thedesired comfort criteria, as specified by ASHRAE Standard 552010, Thermal ComfortConditions for Human Occupancy, Section 5.2 or 5.3, with errata, or a localequivalent.[India ACP: Thermal Comfort NBC]OROption 2. ISO and CEN StandardsHave a permanent monitoring system to ensure ongoing building performance of thedesired comfort criteria, as specified by the applicable standard:

ISO 7730:2005 Ergonomics of the Thermal Environment, analytical determination andinterpretation of thermal comfort using calculation of the PMV and PPD indices and local thermalcomfort criteria; andCEN S tandard EN 15251:2007, Indoor Environmental Input Parameters for Design and Assessmentof Energy Performance of Buildings, addressing indoor air quality, thermal environment, lighting,and acoustics, Section A2.

PerformanceThe monitoring system must meet the following requirements.

Continuous monitoring. Monitor at least air temperature and humidity in occupied spaces, atsampling intervals of 15 minutes or less.Periodic testing. Monitor air speed and radiant temperature in occupied spaces. Using handheldmeters is permitted.Alarms. An alarm must indicate conditions that require system adjustment or repair.Prompt repair. Specify procedures for adjustments or repairs to be made in response to problemsidentified.Calibration. All monitoring devices must be calibrated within the manufacturers recommendedinterval.

Alternative Compliance Paths (ACPs)India ACP: Thermal Comfort NBCOPTION 1. ASHRAE 552010 OR THE NATIONAL BUILDING CODE OF INDIA 2005(NBC 2005)Projects in India may meet the desired comfort criteria specified in the following as alocal equivalent to ASHRAE 55-2010:

For mechanically conditioned buildings, NBC 2005 Part 8, Section 3 - Table 2For naturally conditioned buildings, NBC 2005 Part 8, Section 1 - Table 9



Meet the above requirements for occupants in regularly occupied spaces.







Guest rooms are assumed to provide adequate thermal comfort and are thereforenot included in the credit calculations.





Design heating, ventilating and air conditioning (HVAC) systems and the buildingenvelope to meet the requirements of ASHRAE Standard 55-2004, Thermal ComfortConditions for Human Occupancy (with errata but without addenda33). Demonstratedesign compliance in accordance with the Section 6.1.1 documentation.ORDemonstrate performance by using a local standard that has equivalent requirementsto ASHRAE Standard 552004 by setting appropriate benchmarks and metrics forestablishing a baseline, and measure performance relative to that baseline. Thefollowing guidelines outline the methodology for establishing acceptable benchmarksand metrics pertaining to this credits requirements:

Address any adjustments to thermal comfort parameters described by ASHRAE 552004.Demonstrate design compliance in accordance with the documentation described in ASHRAEStandard 552004, Section 6.1.1.

33 Project teams wishing to use ASHRAE approved addenda for the purposes of this credit may do soat their discretion. Addenda must be applied consistently across all LEED credits.

Design heating, ventilating and air conditioning (HVAC) systems and the buildingenvelope to meet the requirements of ASHRAE Standard 55-2004, Thermal ComfortConditions for Human Occupancy (with errata but without addenda32). Demonstratedesign compliance in accordance with the Section 6.1.1 documentation.ORDemonstrate performance by using a local standard that has equivalent requirementsto ASHRAE Standard 552004 by setting appropriate benchmarks and metrics forestablishing a baseline, and measure performance relative to that baseline. Thefollowing guidelines outline the methodology for establishing acceptable benchmarksand metrics pertaining to this credits requirements:

Address any adjustments to thermal comfort parameters described by ASHRAE 552004.Demonstrate design compliance in accordance with the documentation described in ASHRAEStandard 552004, Section 6.1.1.

The core and shell base building mechanical system must allow for the tenant build-out to meet the requirements of this credit. Project teams that design their project formechanical ventilation that do not purchase or install the mechanical system are noteligible achieve this credit.See Appendix 1 Default Occupancy Counts for occupancy count requirements andguidance.

32 Project teams wishing to use ASHRAE approved addenda for the purposes of this credit may do soat their discretion. Addenda must be applied consistently across all ED credits.

ESTABLISHMENTHave in place means of comfort control that allows occupants to optimize and controlindoor comfort conditions (temperature, solar radiation, air speed, and humidity)within occupied res idential spaces.The comfort control must meet the following requirements:Each res idential unit shall have control device(s) that allow occupants to maintaindesirable temperature in bedrooms and living spaces.Bedrooms and living spaces shall have blinds or shades or s imilar shading devicesthat allow occupants to control solar radiant energy impacting the space.Bedrooms and living spaces shall have one or more operable window, ceiling fan, orother device that allows occupants to adjust air speed.Locations where the annual average humidity ratio is greater than 0.012 lb H2O/ lbdry air (0.012 kg H20/kg dry air), or average annual dew point is greater than 62.4degrees F (16.9 degrees C), a means of humidity control shall also be provided.PERFORMANCENone.

Thermal comfort - designEQ6.1 | Possible pointIntentRequirementsOption 1. ASHRAE standard 55-2004 or non-U.S. equivalentOption 2. ISO 7730: 2005 & CEN standard EN 15251: 2007Option 1. ASHRAE standard 55-2004 or non-U.S. equivalentOption 2. ISO 7730: 2005 & CEN standard EN 15251: 2007

Alternative Compliance Paths (ACPs)India ACP: ASHRAE 55-2004 EquivalentThermal comfort designOption 1. ASHRAE Standard 55-2010Option 2. ISO and CEN StandardsThermal comfort controlThermal comfort designOption 1. ASHRAE Standard 55-2010Option 2. ISO and CEN StandardsThermal comfort controlThermal comfort designOption 1. ASHRAE Standard 55-2010Option 2. ISO and CEN StandardsThermal comfort controlThermal comfort designOption 1. ASHRAE Standard 55-2010Option 2. ISO and CEN StandardsThermal comfort controlThermal comfort designOption 1. ASHRAE Standard 55-2010Option 2. ISO and CEN StandardsThermal comfort controlThermal comfort designOption 1. ASHRAE Standard 55-2010Option 2. ISO and CEN StandardsThermal comfort controlThermal comfort designOption 1. ASHRAE Standard 55-2010Option 2. ISO and CEN StandardsThermal comfort controlThermal comfort designOption 1. ASHRAE Standard 55-2010Option 2. ISO and CEN StandardsThermal comfort controlThermal comfort designOption 1. ASHRAE Standard 55-2010Option 2. ISO and CEN StandardsThermal comfort controlThermal comfort designOption 1. ASHRAE Standard 55-2010Option 2. ISO and CEN StandardsThermal comfort controlEstablishmentPerformance

Alternative Compliance Paths (ACPs)India ACP: Thermal Comfort NBCEstablishmentPerformance




Alternative Compliance Paths (ACPs)India ACP: Thermal Comfort NBCESTABLISHMENTPERFORMANCE

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Thermal Comfort - Design