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Lights
Light no.
Incandesc
ent Globes
Fluoresce
nt Tubes
CompactFluoresce
nt Lamps Halogen
Outsideflood
lights
1234
56789
10
1112131415161718
192021222324
252627282930
TOTAL
Auditor calculations:Assumedwatts 60 44 10 50 500kWh/day
Please estimate typical hours/day for each light in your
home to the nearest hour.
Typical Hours Use/Day
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Fans
High Medium Low High Medium Low
1
2
3
4
5
6
7
8
9
10
1112
13
14
15
16
17
18
19
20
TOTAL
Auditor calculations: .
Assumedwatts 65 55 45 65 55 45kWh/day
Annualised
kWh/day
Please estimate typical hours/day for each fan
in your home to the nearest hour.
Fan no.
Wet SeasonDry Season
Typical Hours of Use/Day
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0
2
4
6
8
10
12
14
16
18
20
1 2 3 4 5 6 7 8 9 10
kWh/day
Total average hours/day
Cooking Electricity Use
Grill
Oven
Medium hotplate
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012345
6789
10111213141516171819
2021222324
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
kWh/day
hours/day run
Pool Pump Energy Use
1 kW
1.2 kW
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012345
6789
1011121314151617181920
2122232425
1 2 3 4 5 6 7 8
kWh/day
No. of occupants
Electric Hot Water Heating Energy Use
Thermostat at 70 degrees
Thermostat at 60 degrees
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STAND-BY POWER
Stand-By Power W kWh/day
Computer 4 0.096Computer speakers 3 0.072Monitor 3 0.072Printer 5 0.12Scanner 3 0.072Split system air conditioner 5 0.12Microwave 3 0.072Television 4 0.096Stereo 5 0.12VCR 5 0.12DVD player 6 0.144Cable TV controller 14 0.336Mobile phone charger 1 0.024
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0
1
2
34
5
6
7
8
9
10
11
12
13
14
1516
17
18
19
20
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
kWh/day
hours/day
< 2 kW (.75 hp) Air Conditioner Energy Use
< 2kWr (0.75 hp) 100% duty cycle
< 2kWr (0.75 hp) 75% duty cycle
< 2kWr (0.75 hp) 50% duty cycle
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0
5
10
15
20
25
30
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
kWh/day
hours/day
2 - 2.6 kW (1hp) AirUse
2-2.6 kWr (1 hp) 100% duty cycle
2-2.6 kWr (1 hp) 75% duty cycle
2-2.6 kWr (1 hp) 50% duty cycle
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0
5
10
15
20
25
30
35
40
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
kWh/day
hours/day
2.6 - 3.5 kW (1.5 hp) Air Conditioner Energy USe
2.6-3.5 kWr (1.5 hp) 100% duty cycle
2.6-3.5 kWr (1.5 hp) 75% duty cycle
2.6-3.5 kWr (1.5 hp) 50% duty cycle
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0
10
20
30
40
50
60
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
kWh/day
hours/day
4 - 5 kW (2 hp) Air Conditioner Energy Use
4-5 kWr (2 hp) 100% duty cycle
4-5 kWr (2 hp) 75% duty cycle
4-5 kWr (2 hp) 50% duty cycle
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0
10
20
30
40
50
60
70
80
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
kWh/day
hours/day
6.5 - 7 kW (2.5 hp) Air Conditioner Energy Use
6.5-7 kWr (2.5 hp) 100% duty cycle
6.5-7 kWr (2.5 hp) 75% duty cycle
6.5-7 kWr (2.5 hp) 50% duty cycle
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0
10
20
30
40
50
60
70
80
90
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
kWh/day
hours/day
8.2 kW (3.5 hp) Air Conditioner Energy Use
8.2 kWr (3.5 hp) 100% duty cycle
8.2 kWr (3.5 hp) 75% duty cycle
8.2 kWr (3.5 hp) 50% duty cycle
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Typical Cost Cost
Average cents kg CO2 Typica cents kg CO2
Watts per hour per hour Watts per hour per hour
Window/wall air-conditioner 0.75hp 600 11.8 0.47 Compact Fluorescent - CFL 11 0.2 0.01Window/wall air-conditioner 1.5hp 1050 20.7 0.83 18 watt fluorescent fitting 24 0.5 0.02Window/wall air-conditioner 2.5hp 2100 41.4 1.66 36 watt fluorescent fitting 43 0.8 0.03
Inverter Air Conditioner 0.75hp 420 8.3 0.33 40 watt incandescent globe 40 0.8 0.03Inverter Air Conditioner 1.5hp 735 14.5 0.58 60 watt incandescent globe 60 1.2 0.05Inverter Air Conditioner 2.5hp 1470 29.0 1.16 75 watt incandescent globe 75 1.5 0.06
Ceiling Fan - mid speed range 70 1.4 0.06 100 watt Para flood 100 2.0 0.08Ceiling Fan - high 80 1.6 0.06 50 watt dichroic lamp 50 1.0 0.04
Pedestal Fan2 40 7.9 0.03 35 watt dichroic lamp 35 0.7 0.0350 watt dichroic low voltage 62 1.2 0.05
5 0.1 0.00
Electric Storage3 - 50litre, 3.6kW 924 18.2 0.73
switched on all day 440 $760 38,552 laptop 90 1.8 0.07
switched on for 1 hour per day 3600 $207 1,038 Computer - operating 110 2.2 0.09
Computer - monitor off 60 1.2 0.05Printer 40 0.8 0.03
Post 2005 Refrigerator (1 door manual)T 80 1.6 0.06 cost cents kg CO2
Post 2005 Refrigerator (2 door auto defrost)T 104 2.0 0.08 Entertainment min max per hour per hour
Post 2005 Refrigerator (2 door manual defrost 95 1.9 0.08 Television - LCD 55cm 50 170 1-3 0-0.1
Post 2005 Side-by-side fridge/freezer 117 2.3 0.09 Television - LCD 100cm 281 924 6-18 0.2-0.7
Post 2005 Chest FreezerT 80 1.6 0.06 Television - LCD 150cm 340 1278 7-25 0.3-1
Refrigerator ("Beer frig")T - old 220 4.3 0.17 Television - Plasma 127cm 400 1290 8-25 0.3-1
Television LED - 55cm colour 92 134 2-3 0.1-0.1
Television LED - 100cm colour 282 710 6-14 0.2-0.6
Electric Stove (small element) - 1.25kWs
700 13.8 0.55 Stereo 50 1.0 0.04Electric Stove (large element) - 1.8kW s 1200 23.7 0.95 VCR 20 0.4 0.02Electric Stove (grill) - 1.8kW 1800 35.5 1.42 DVD Player 20 0.4 0.02
Electric Stove (oven)T 1100 21.7 0.87 Cable TV control box 15 0.3 0.01
Microwave - high 1600 31.5 1.26Electric Kettle 2400 47.3 1.90 Other
Toaster 1500 29.6 1.19 Clothes Drier 2500 49.3 1.98
Swimming Pool Pump 1100 21.7 0.87kWh Mobile phone charger - charging 5 0.1 0.00
Dishwasher - Normal Cycle 1.35 26.6 1.07Dishwasher - "Econo" Cycle 0.60 11.8 0.47 Stand-by Cost kg CO2
Washing Machine 0.50 9.9 0.40 Computer Watts per year per year
Computer speakers 4 $7 28Typical Cost kg CO2 Monitor 3 $5 21
Watts per year per year Printer 3 $5 21
Plasma/LCD plus extras 8 hours per day 400 $230 923 Scanner 5 $9 35TV, VCR, Stereo, DVD & Cable on standby 34 $59 235 Split system air conditioner 3 $5 21
Computer & printer left on 150 $259 1,038 Microwave 5 15 $9-26 35-104"Beer Fridge" 220 $380 1,522 Television - colour 3 $5 21Ceiling Fan - mid speed on continuously 70 $121 484 Stereo 4 $7 28
Ceiling Fan - high speed on continuously 80 $138 554 VCR 5 $9 35DVD player 5 $9 35Cable TV controller 6 $10 42
Pedestal Fan2 :based on fan set at mid range speed Answering machine 14 $24 97
Electric Storage3 - based on 200 litres daily usage (subject to usage times) Mobile phone charger 2 $3 14T : Thermostatically controlled, duty cycle included 1 $2 7
Ws : based on mid range operation
Based on 19.71 c/kWh tariff and 0.79 kg CO2/kWh
Watts can vary per
Hot Water Heating
Refrigerator & Freezer
Cooking
This is the important
How much are your appliances costing you?
Lighting
Computing
Cooling
- Typical Values -
per year
LED
Consumption per load
Bad Habits
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COOLmob kWh/DAY ESTIMATION LOOK-UP TABLES THAT CHARTS AR
Air Conditioning
hours/day 1 2 3 4 5< 2kWr (0.75 hp) 100% duty cycle 0.8 1.6 2.4 3.2 4< 2kWr (0.75 hp) 75% duty cycle 0.6 1.2 1.8 2.4 3< 2kWr (0.75 hp) 50% duty cycle 0.4 0.8 1.2 1.6 2
2-2.6 kWr (1 hp) 100% duty cycle 1.04 2.08 3.12 4.16 5.22-2.6 kWr (1 hp) 75% duty cycle 0.78 1.56 2.34 3.12 3.92-2.6 kWr (1 hp) 50% duty cycle 0.52 1.04 1.56 2.08 2.6
2.6-3.5 kWr (1.5 hp) 100% duty cycle 1.4 2.8 4.2 5.6 72.6-3.5 kWr (1.5 hp) 75% duty cycle 1.05 2.1 3.15 4.2 5.252.6-3.5 kWr (1.5 hp) 50% duty cycle 0.7 1.4 2.1 2.8 3.5
4-5 kWr (2 hp) 100% duty cycle 2 4 6 8 104-5 kWr (2 hp) 75% duty cycle 1.5 3 4.5 6 7.5
4-5 kWr (2 hp) 50% duty cycle 1 2 3 4 5
6.5-7 kWr (2.5 hp) 100% duty cycle 2.8 5.6 8.4 11.2 146.5-7 kWr (2.5 hp) 75% duty cycle 2.1 4.2 6.3 8.4 10.56.5-7 kWr (2.5 hp) 50% duty cycle 1.4 2.8 4.2 5.6 7
8.2 kWr (3.5 hp) 100% duty cycle 3.28 6.56 9.84 13.12 16.48.2 kWr (3.5 hp) 75% duty cycle 2.46 4.92 7.38 9.84 12.38.2 kWr (3.5 hp) 50% duty cycle 1.64 3.28 4.92 6.56 8.2
Based on measurements of 800W instantaneous current from .75 hp room air conditioners in Darwin
Cooking
Total hours/day for cooking 1 2 3 4 5Medium hotplate 1 2 3 4 5Grill 1.8 3.6 5.4 7.2 9Oven 1.1 2.2 3.3 4.4 5.5
1 kW Pool Pump W/hour1kW 1000
hours/day 1 2 3 4 51 kW 1 2 3 4 51.2 kW 1.2 2.4 3.6 4.8 6
Electric Hot Water Heating kWh/dayno of people 1 2 3 4 5Thermostat at 70 degrees 3.053 6.106 9.159 12.212 15.265Thermostat at 60 degrees 2.326 4.652 6.978 9.304 11.63
Hot water heating calculations (2.326 kWh/person/day) based on heating 50L/person/day from 28 - 60 degree
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159.3191
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E BASED ON
6 7 8 9 10 11 12 13 14
4.8 5.6 6.4 7.2 8 8.8 9.6 10.4 11.2
3.6 4.2 4.8 5.4 6 6.6 7.2 7.8 8.4
2.4 2.8 3.2 3.6 4 4.4 4.8 5.2 5.6
6.24 7.28 8.32 9.36 10.4 11.44 12.48 13.52 14.56
4.68 5.46 6.24 7.02 7.8 8.58 9.36 10.14 10.92
3.12 3.64 4.16 4.68 5.2 5.72 6.24 6.76 7.28
8.4 9.8 11.2 12.6 14 15.4 16.8 18.2 19.6
6.3 7.35 8.4 9.45 10.5 11.55 12.6 13.65 14.7
4.2 4.9 5.6 6.3 7 7.7 8.4 9.1 9.8
12 14 16 18 20 22 24 26 28
9 10.5 12 13.5 15 16.5 18 19.5 21
6 7 8 9 10 11 12 13 14
16.8 19.6 22.4 25.2 28 30.8 33.6 36.4 39.2
12.6 14.7 16.8 18.9 21 23.1 25.2 27.3 29.4
8.4 9.8 11.2 12.6 14 15.4 16.8 18.2 19.6
19.68 22.96 26.24 29.52 32.8 36.08 39.36 42.64 45.92
14.76 17.22 19.68 22.14 24.6 27.06 29.52 31.98 34.44
9.84 11.48 13.12 14.76 16.4 18.04 19.68 21.32 22.96
6 7 8 9 10
6 7 8 9 10
10.8 12.6 14.4 16.2 18
6.6 7.7 8.8 9.9 11
6 7 8 9 10 11 12 13 14
6 7 8 9 10 11 12 13 14
7.2 8.4 9.6 10.8 12 13.2 14.4 15.6 16.8
6 7 8
18.318 21.371 24.424
13.956 16.282 18.608
s C (from first principles assuming 80% hot water heater efficiency). 3.053 kWh/person/day if heat to 7
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15 16 17 18 19 20 21 22 23
12 12.8 13.6 14.4 15.2 16 16.8 17.6 18.4
9 9.6 10.2 10.8 11.4 12 12.6 13.2 13.8
6 6.4 6.8 7.2 7.6 8 8.4 8.8 9.2
15.6 16.64 17.68 18.72 19.76 20.8 21.84 22.88 23.92
11.7 12.48 13.26 14.04 14.82 15.6 16.38 17.16 17.94
7.8 8.32 8.84 9.36 9.88 10.4 10.92 11.44 11.96
21 22.4 23.8 25.2 26.6 28 29.4 30.8 32.2
15.75 16.8 17.85 18.9 19.95 21 22.05 23.1 24.15
10.5 11.2 11.9 12.6 13.3 14 14.7 15.4 16.1
30 32 34 36 38 40 42 44 46
22.5 24 25.5 27 28.5 30 31.5 33 34.5
15 16 17 18 19 20 21 22 23
42 44.8 47.6 50.4 53.2 56 58.8 61.6 64.4
31.5 33.6 35.7 37.8 39.9 42 44.1 46.2 48.3
21 22.4 23.8 25.2 26.6 28 29.4 30.8 32.2
49.2 52.48 55.76 59.04 62.32 65.6 68.88 72.16 75.44
36.9 39.36 41.82 44.28 46.74 49.2 51.66 54.12 56.58
24.6 26.24 27.88 29.52 31.16 32.8 34.44 36.08 37.72
15 16 17 18 19 20 21 22 23
15 16 17 18 19 20 21 22 23
18 19.2 20.4 21.6 22.8 24 25.2 26.4 27.6
degrees)
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24
19.2
14.4
9.6
24.96
18.72
12.48
33.6
25.2
16.8
48
36
24
67.2
50.4
33.6
78.72
59.04
39.36
24
24
28.8
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