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