IGBC Green Homes What they did Differently

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1 CII GBC, Hyderabad Building Sector in India Major growth in the past 3-5 years IGBC Green Homes What they did Differently Next 20 years 20 billion sq.ft to 100 billion sq.ft Indian Green Building Council New Delhi 22 Oct 2011 Notre Dam, Ronchamp Anna Centenary Library Heritance, Madurai Chennai Growth Housing Sector in India Housing sector is growing at a rate of 20% Home loan disbursement Year INR (Lakh Crores) Source: RBI, August 2011, New Delhi Source Climate Works Foundation Stakeholder Survey Imagine you are buying a house What are the must-be 3 features in the house? Not compromisable T Zed Homes Bangalore

2 IGBC Survey Results IGBC Green Homes Rating System Pilot Version launched in Criteria Ventilation Daylighting Energy Response 33% 30% 12% 35% 30% 25% 20% 30% Survey Results 33% May 2008 Leadership of Ar Sharukh Mistry Water 10% 15% 10% 7% 12% 10% 9% First tried on 50 projects Location Green Cover 9% 7% 5% 0% Day Ventilation Green Lighting Cover Energy Water Location Version 2.0 will be launched shortly Why Green Home Rating System? Perception A home with energy efficiency is a Green Home A home with water efficient features alone is a green home Reality Need to be green in all key aspects Holistic Approach Site, Water, Energy, Materials, Indoor air & ventilation A Green Home Rating System can enable a holistic approach Dwelling Types Covered Independent Houses Gated Communities Villas Residential Apartments Existing residential dwellings retrofitted to meet Green homes criteria

3 IGBC Green Homes Rating System Green Footprint Number of Dwellings Built-up Area 2,13, Million sq.ft Benefits Energy savings kwh/sq.ft /year Water savings litres/person/year Health Viswa Syamalam, Chennai IGBC Platinum Bella Vista, Mumbai, IGBC Gold Viraj Towers, Mumbai, BCIL, T IGBC Zed Homes Gold IGBC Platinum BCIL, T Zed Homes BCIL, T Zed Homes IGBC Platinum # 1) Wall Insulation # 2) High Reflective Paints, Hyderabad Flycon blocks for external walls Private Residence Rat trap bond with glass wool stuffed High reflective material

4 # 3) Roof Insulation # 4) Day Lighting Best strategy Maximum Day-lighting for Homes Overall lighting density Less than 0.5 W/sq.ft Under deck roof insulation - 4 Thermocol, Private Residence Sun Pipe # 5) Shading Devices Sun Pipes used at Viswa Syamalam, Chennai Sun Pipes used to lit basement, Shading Devices Chajjas : Atleast 30-40% of window height T-Zed Homes

5 # 6) Solar Water Heating # 7) Salvaged Materials Electricity for water heating Most inappropriate Solar water heaters Solar Water Heating at Mahindra Chloris, Faridabad gaining tremendous popularity Salvaged wood for Doors in Salvaged wood used in door & windows # 8) Low VOC Paints Market Transformation Use low Volatile Organic Compound (VOC) paints For all interior applications

6 # 9) On-site STP Provide onsite waste water treatment system Potable water savings upto % Flushing Landscaping # 10) On-site Bio-gas On-site Bio-gas connection Piped bio-gas connection to all dwelling units T-zed Homes Olympia Tech Park, Chennai T-Zed Homes, Bangalore # 11) Water Monitoring Water meters for potable use Sub-metering # 12) Energy Efficient Appliances Wide use of minimum BEE 3 star rated equipment Shempark Homes IGBC- Platinum Water Meter installation at T-Zed Homes

7 Learning 1. Need to change mind-sets of people 2. Different drivers for different people 3. Product certification can make it easy for the common man 4. Need to deliver green home without increasing the EMI Mahindra Chloris, Faridabad 1) Mind-sets of the people Architect services Can deliver a green home at minimum / no increment cost Knowledge levels sporadic Energy and water efficiency products Vendor critical Reuse of materials 2) Different drivers for different people Occupants Passion, Quality of life, Pride Developers Business case Demand for green homes should increase 3) Product Certification Individual houses Sourcing of materials issue Solution Market transformation Materials off the shelf Availability of materials T-ZED Homes, Bangalore

8 Opportunities Few Materials, Equipment & Technologies Materials & Equipment High Reflective Paints Electric Charging for 4 & 2 wheelers Home Irrigation Technologies Small Grey water Treatment systems Efficient water fixtures High performance glass Insulation materials Low VOC adhesives, sealants, paints & carpets Efficient BEE labeled air-conditioners Efficient BEE labeled lighting fixtures BEE labeled Refrigerators Solar water heaters Bio-fuel based Captive generators Home Automation systems Timer based controls for Lawn sprinklers Efficient pumps, motors, lighting sensors Efficient Lift management control Dimmer Controls for Lighting Movement sensors for Lighting LED Lighting fixtures Materials with recycled content (Flyash blocks, Tiles, etc.,) Bamboo based materials Eco-friendly chemicals Technologies Geothermal Systems Wind towers Root Zone treatment plants # 4. Deliver green home without increasing the EMI Green Homes Voluntary thus far Incentives Incentives for green homes will enhance pride ; not economics Challenge To deliver green home where cost is lower than conventional homes To Sum-up Residential sector can contribute significantly in climate change mitigation By building green homes Instil in the common man A Sense of Pride Contribution to society Green Homes should be a National Priority Good for individual For Society For the Nation Go Green!! Visit: