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Correlation of IGBC Green Homes Rating System &
Demand creation for Energy Efficiency
❖ India’s first Rating Program for Homes
• Individual Homes • Multi-dwellings & • High rise Apartments
IGBC Green Homes Rating Program
❖ Pilot Version launched in May 2008
• Leadership of Ar Sharukh Mistry
❖ Version 1.0 launched in April 2009
❖ Version 2.0 launched in April 2012
Evolution of IGBC Green Home Rating
✓ Holistic approach • Site, Water, Energy, Materials & Indoor Environment Quality
✓ Actively involves all stakeholders • Architects, Builders & Developers, Consultants,
Manufacturers, Occupants etc.,
✓ Aligned with all national codes • NBC, ECBC, MoEF’s EIA, etc.,
✓ Encourages project to exceed code requirements
✓ Raises requirements based on feedback from implemented projects
Salient Features of IGBC Green Homes Rating
IGBC Green Homes – Enhances Energy Efficiency by design
1. Orientation
2. Passive architecture
3. Envelope - Wall, Roof & Glass
4. HVAC - Star rated appliances/equipment
5. Lighting - Natural & Artificial
6. Onsite Renewable energy . . .
1. Orientation
• Ideal orientation
Minimise south & west exposures
Wide overhangs on south and west
Buffer south and west exposures with
garages, utility rooms etc.
Design Teams – Innovative & Creative Designs
2. Passive Architecture
Encourages passive designs – reduces energy demand!
3. Building Envelope - wall
AAC Block Masonry U - value : 0.65 W/sq.m K
Thermo Blocks U - value : 0.6 -1.7 W/sq.m K
Mivan construction U - value : 1.3 - 1.9 W/sq.m K
Multiple options – reduces heat ingress by design!
3. Building Envelope - Roof
Courtesy: Biome
3. Building Envelope - Glazing
Energy Consumption in a Home
Others: • TV • Computer • Water Pumping • Exhaust Fans • Bed Lamps • Room Heaters • Desert Coolers
4. Heating, Ventilation & Air Conditioning
High Efficient Air conditioning system with COP 3.5
BEE star rated appliances
5. Lighting - Natural & Artificial
100% LED lit home
6. Common Amenities – STP, Club Houses, Swimming Pools, Landscape & Exterior Lighting . . .
Project teams – install energy efficient systems & equipment
7. Onsite Renewable Energy - Solar PV’s & Mini wind mill
Oval Nest, Pune Renewable Energy system generates 26,280 kWh
Avani Residence, Hyderabad Renewable Energy system generates 3,650 units/year
8. Cross flow ventilation and ‘enhanced’ Day-lighting
KSPHC – Police Quarters
IGBC Green Homes Platinum rated - Prefab Homes - Karnataka State Police Housing Corp
Day 1
Day 2
Day 5
Day 7
Day 9
Day 14
Day 10
Day 11
Prefab Homes - Karnataka State Police Housing, built in 17 days!
IGBC’s Partnership with CREDAI & NHB
Exchange of MoU with President, CREDAI in November 2011
Exchange of MoU with Executive Director, National Housing Bank (NHB) in July 2013
IGBC Certified Green Homes Projects - EE Tool
IGBC Green Home Projects – showcase more than 30% savings
• NHB KfW EE Tool - IGBC Project results
IGBC Green Home Projects – showcase more than 30% savings
Annual bill ‘2010’- INR. 853/-
Residence of Viswasyamalam, Chennai
IGBC Certified Green Homes Project - Lowest Power Bill
Launch of IGBC Green Homes Detailed Reference Guide on 26 Oct 2013 Valuable resource for Energy Efficiency by Design
IGBC Green Homes - Energy Efficiency Key element
Enhanced Energy Efficiency Assured
• SSP - Site Selection & Planning
• WE - Water Efficiency
• EE - Energy Efficiency
• MR - Materials & Resources
• IEQ - Indoor Environmental Quality
• ID - Innovation & Design
✓ IGBC Green Homes - Enhanced Energy Efficiency by design
✓ Regular updates of IGBC rating program • Raises ‘green’ requirements and continuous improvement
✓ Greater involvement of design & project team members
✓ IGBC Green Homes Rating Programme
• More than 800 residential projects, 480,000 dwelling units
Sum up
Thank you
www.igbc.in
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