thisplace.com.au - Energy Efficiency Chart

Cooking Appliances		Use	Approx. Cost
Cooktop or Rangetop		Percentage reduction for thermostat operation
	Large Hotplate	As required	13¢ per hour
	Small Hotplate	As required	8¢ per hour
	Grilling Element	35 mins	16¢ per use
	Oven	2.3 hours	36¢ per use
	Rangette	1.6 hours	24¢ per use
Microwave Oven		Percentage reduction for power setting (at 70%)	11¢ per hour
Frypan		70%	11¢ per hour

Kitchen Appliances Use Approx. Cost

Range Hood As required 2¢ per hour

Dishwasher New energy efficient model Old model

Cold Water

1.5 hours

20¢ per load

27¢ per load

Hot Water

1 hour

13¢ per load (+ cost of hot water)

14¢ per load (+ cost of hot water)

Garbage Disposer As required 2.1¢ per day

Refrigerators Use New energy efficient model Old model

One door manual

140-220 litres
Continuous
13.5¢ per day

14¢ per day

200-350 litres
Continuous
19.15¢ per day

31¢ per day

Two door

350-400 litres automatic

Continuous

28¢ per day

44¢ per day

350-400 litres F/F

Continuous

29.8¢ per day

52.5¢ per day

400-500 litres F/F

Continuous

33¢ per day

55¢ per day

310 litres

Continuous

52¢ per day

73¢ per day

700 litres side by side

Continuous

61.5¢ per day

Freezers Use New energy efficient model Old model

Chest

140-220 litres

Continuous

10.5¢ per day

15¢ per day

250-340 litres

Continuous

14¢ per day

27¢ per day

Upright

220 litres

Continuous

20¢ per day

36¢ per day

300 litres

Continuous

23¢ per day

46¢ per day

Laundry Appliances Use Approx. Cost

Clothes Dryers

3.5kg

1.5 hours

27¢ per operation

4.5kg

1 hour

24¢ per operation

5.0kg

1 hour

22.2¢ per operation

Iron

70% reduction for thermostat setting

9¢ per hour

Washing Machines

Twin Tub

30 mins

3.2¢ per use

Automatic

45 mins

6¢ per use

Front Load

60 mins

3¢ per use

Water Heating Use Approx. Cost

Super Economy Tariff 31 @ 4.25¢ per unit

250 litres

Continuous

48¢ for 4 persons per day

315 litres

Continuous

60¢ for 5 persons per day

400 litres

Continuous

72¢ for 6 persons per day

Economy (Controlled) Tariff 33 @ 6.22¢ per unit

140 litres

Continuous

53¢ for 2-3 persons per day

180 litres

Continuous

88¢ for 4-5 persons per day

Quick Recovery Units

2-3 persons

Continuous

79¢ per day

4-5 persons

Continuous

$1.10 per day

Lighting Use Approx. Cost

Incandescent

100 watts-operates for 10 hours

12¢ approx

Fluorescent

40watts-operates for 25 hours

12¢ approx

Low voltage lighting

Set of 6 lights-operates for 10 hours

12¢ approx

Electronic bug zapper

15 watts-operates for 10 hours per night

2.1¢ per night

Cooling Cost per hour

Cooling Capacity Watts BTU / hr Energy Consumed Watts Cost per hour if run 100% of time Actual day operating cost 70% cycle on Conditions night 50% cycle on

1750 (5971)

2000 (6824)

2500 (8530)

3500 (11942)

4300 (14672)

5000 (17060)

6100 (20813)

6880 (23474)

660

810

1000

1380

1540

2050

2520

3070

7.3

8.9

11.0

15.2

16.9

22.5

27.7

33.8

5.1

6.2

7.7

10.6

11.8

15.8

19.4

23.6

3.6

4.4

5.5

7.6

8.5

11.3

13.8

16.9

Reverse Cycle Heating Cost per hour

Heating Capacity Watts BTU / hr Energy Consumed Watts Cost per hour if run 100% of time Actual day operating cost 30% cycle on Conditions night 50% cycle on

1750 (5971)

2500 (8530)

3800 (12966)

4700 (16036)

5000 (17060)

6280 (21400)

720

1000

1320

1790

2005

2030

7.9

11.0

14.5

19.7

22.0

23.0

2.4

3.3

4.4

5.9

6.6

6.9

3.9

5.5

7.3

9.8

11.0

11.5

Source: Energex Home Energy Calculator Brochure

Kitchen Appliances		Use	Approx. Cost
Range Hood		As required	2¢ per hour
Dishwasher			New energy efficient model	Old model
	Cold Water	1.5 hours	20¢ per load	27¢ per load
	Hot Water	1 hour	13¢ per load (+ cost of hot water)	14¢ per load (+ cost of hot water)
Garbage Disposer		As required	2.1¢ per day

Refrigerators		Use	New energy efficient model	Old model
One door manual
	140-220 litres	Continuous	13.5¢ per day	14¢ per day
	200-350 litres	Continuous	19.15¢ per day	31¢ per day
Two door
	350-400 litres automatic	Continuous	28¢ per day	44¢ per day
	350-400 litres F/F	Continuous	29.8¢ per day	52.5¢ per day
	400-500 litres F/F	Continuous	33¢ per day	55¢ per day
	310 litres	Continuous	52¢ per day	73¢ per day
	700 litres side by side	Continuous	61.5¢ per day

Freezers		Use	New energy efficient model	Old model
Chest
	140-220 litres	Continuous	10.5¢ per day	15¢ per day
	250-340 litres	Continuous	14¢ per day	27¢ per day
Upright
	220 litres	Continuous	20¢ per day	36¢ per day
	300 litres	Continuous	23¢ per day	46¢ per day

Laundry Appliances		Use	Approx. Cost
Clothes Dryers
	3.5kg	1.5 hours	27¢ per operation
	4.5kg	1 hour	24¢ per operation
	5.0kg	1 hour	22.2¢ per operation
	Iron	70% reduction for thermostat setting	9¢ per hour
Washing Machines
	Twin Tub	30 mins	3.2¢ per use
	Automatic	45 mins	6¢ per use
	Front Load	60 mins	3¢ per use

Water Heating		Use	Approx. Cost
Super Economy Tariff 31		@ 4.25¢ per unit
	250 litres	Continuous	48¢ for 4 persons per day
	315 litres	Continuous	60¢ for 5 persons per day
	400 litres	Continuous	72¢ for 6 persons per day
Economy (Controlled) Tariff 33		@ 6.22¢ per unit
	140 litres	Continuous	53¢ for 2-3 persons per day
	180 litres	Continuous	88¢ for 4-5 persons per day
Quick Recovery Units
	2-3 persons	Continuous	79¢ per day
	4-5 persons	Continuous	$1.10 per day

Lighting	Use	Approx. Cost
Incandescent	100 watts-operates for 10 hours	12¢ approx
Fluorescent	40watts-operates for 25 hours	12¢ approx
Low voltage lighting	Set of 6 lights-operates for 10 hours	12¢ approx
Electronic bug zapper	15 watts-operates for 10 hours per night	2.1¢ per night