A Study on Energy Efficiency Requirements of Indian Green Building Council Green Homes and Green Rating for Integrated Habitat Assessment under Cold Climate
Keywords:
GBR Systems, Energy Performance Index, Indian Green Building Council Green Homes, Green Rating for Integrated, Habitat AssessmentAbstract
Introduction: A comparison study was conducted on energy efficiency criteria to differentiate between two major Green Building Rating (GBR) systems used in India: Indian Green Building Council Green Homes (IGBC GH) and Green Rating for Integrated Habitat Assessment (GRIHA).
Method: More energy-efficient combinations of wall envelope, roof envelope, and HVAC system were formulated so that they could be compared with the requirements of IGBC GH and GRIHA. In IGBC GH energy-enhanced performance is based on a percentage of energy cost savings and in GRIHA, it is based on a reduction from the benchmark energy performance index (EPI).
Results: The maximum percentage of energy cost savings in IGBC GH was found to be in the range of 37.05–42.96%, whereas the maximum reduction from benchmark EPI in GRIHA varied in the range of 28.16–44.10% under different climate zones.
Conclusion: Although this study’s combinations allowed for the maximum energy efficiency points in IGBC GH, it was not possible to achieve full points in GRIHA.
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