Arquitecto
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Energy consumption in residential sector
1015% energy from the Residential sector Major components AirConditioning Lighting Heaters Refrigerator Washing machine
Water Pump
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Why Energy savings?
Long term financial rewards
Potential to save up to 50%National interest Occupant comfort Reduce pollution and Conserving our natural resources Electricity generated by fossil fuels for a single home puts more carbon dioxide into the air than two average cars
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Average Indian Power cost for last Ten Years 500
Unit price (Paise / kWh)
430
400 300 200
151
100 0
19 91 19 92 19 93 19 94 19 95 19 96 1997 19 98 19 99 20 00 20 01
Year
3 Fold increase in Last 10 Years
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Typical energy use at Home
Rs 3000 Rs5000 Rs 6300 Rs 8300 Rs 10400
Thank you
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Typical energy use at Home
1 2 3 4 5 6 7 8 9 10 Ceiling fan Washing machine Computer Monitor & printer Geyser Lighting (60W) CFL (18W)TL (Twin 4feet) Microwave oven Refrigerator Television 60 500 200 1500 60 18 100 1000 500 180 200 35 40 60 40 40 40 30 200 200 12 17.5 8 90 2.4 0.72 4 30 100 36 72 105 48 540 14.4 4.32 24 180 600 216
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Breakup of Pow er Consumption at Home
8 28 12
20 32
Lighting Air conditioners Others
Refrigerator Geyser
© Confederation of Indian IndustryEnergy saving tips in home appliances
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Cause for Energy Loss
Poor insulation (Airconditioned room) Less energy efficient fittings Controls and switches Operating practices
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Airconditioning
Suggested Measures to improve energy efficiency
Consumes 20% of total energyEg., 1.0TR AC Consumes Rs 3600/ Yr
Select energy efficient equipment
Set thermostat at “Green temperatures” Incorporate Electronic timer switch
Replace mechanical thermostat
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Suggested Measures to improve energy efficiency
Airconditioning
Use an interior fan in conjunction with your window air conditioner Do not place any heating equipment near to AC thermostat (Light, TV, Room Heater) Place unit below the tree shade
Consume 10% less energy
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Suggested Measures to improve energy efficiency
Building Orientation
East West
Building insulation
Trees on the periphery
Save up to 25% of energy
Wall insulationRoof insulation
Green Roof Light color reflective coating
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Lighting
Indoor
Suggested Measures to improve energy efficiency
Consumes 10% of total energy Turn off the lights in any room you're not using
Use CFL Lamps in place of GL Lamps Use electronic ballast Use natural lights Out door CFL Timer control operation
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Comparison Of GLS & CFL
GLS CFL
Watts Lumens Watts Lumens
40 425 9 400
60 720 15 900
100 1380 20 1200
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Comparison Efficacy
Good
T12, 38 mm 60 Lm/W
Better
T8, 26 mm 68 Lm/WBest
T5, 16 mm 104 Lm/W
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Comparison –Colour Rendition
T12 65%
T8 72%
T5 85%
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Suggested Measures to improve energy efficiency
Refrigerator
Consumes 20% of total energy Eg., Cost of operating 315 Lts refrigerator is Rs 4000/Yr
Select energy efficient equipment
...
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