Energy efficiency

 

Household

General heating

Appliance

Typical Loading
(Watts)

Approx. cost based
on 14,5 c/kwh

Convector

1500

21.7c / hour (max)

Fan

2400

34.8c / hour (max)

Oil Filled

1200

17.4c / hour (max)

Oil Filled

2000

29c / hour (max)

Oil Filled

2400

34.8c / hour (max)

Radiant 1 Bar

1200

17.4c / hour

Radiant 1 Bar

2400

34.8c / hour



Heating

Appliance

Typical Loading
(Watts)

Approx. cost based
on 14,5 c/kwh

Bathroom Heater
Infra-red
Fan


1100
2400


16c / hour
34.8c / hour (max)

Cupboard Heater

180

$4.39 / week (max)

Towel Rail
Small
Large


40
80


97c / week (max)
$1.95 / week (max)

* costs shown Based on appliances being on continuously.



Nightstore heating

Appliance

Typical Loading
(Watts)

Approx. cost based
on 14,5 c/kwh

Small

1700

$1.26 / night

Medium

2500

$1.84 / night*

Large

3300

$2.42 / night*

* Costs shown are a maximum if heater has to fully recharge.



Kitchen

Appliance

Typical Loading
(Watts)

Approx. cost based
on 14,5 c/kwh

Coffee Maker

750

10.9c / hour

Crock Pot

230

3.4c / hour

Deep Fryer

2000

29c / hour

Dehydrator
Small
Large


500
1000


7.3c / hour
14.5c / hour

Dishwasher

2000

29c / hour

Food Processor

375

5.4c / hour

Freezer Chest

360 litre

$1.37 / week

Freezer Vertical

370 litre

$1.60 / week

Fridge / Freezer
Medium
Large


-
-


$2.22 / week
$2.74 / week

Frypan

1240

18c / hour

Iron

1400

6.3c / large load

Jug

2400

2.9c for 3 boilings

Microwave Oven

1000

10.3c roast dinner

Oven

1900

32.9c roast dinner
10.3c for a cake

Range

6000-12000

$3.42 per week
for a family of four

Rangehood

150

4.4c for 2 hours

Toasted Sandwich Maker

700

10.2c / hour

Toaster

1400

2.9c for 10 slices

Waste Disposal

650

4.8c / week



Laundry

Appliances

Typical Loading
(Watts)

Approx. cost based
on 14,5 c/kwh

Drier

1800

26.1c / hour

Washing Machine
Cold wash
Hot wash


165
165


5.2c / load
66.4c / load



Lighting

Appliances

Typical Loading
(Watts)

Approx. cost based
on 14,5 c/kwh

Light Bulb

40

6.4c for 11 hours

Light Bulb

60

6c for 7 hours

Light Bulb

100

5.8c for 4 hours

Fluorescent (4ft)

40

6.4c for 11 hours

Florescent (5ft)

65

6.6c for 7 hours




Sundry

Appliances

Typical Loading
(Watts)

Approx. cost based
on 14,5 c/kwh

Answerphone

5

12.2c / week

Aquarium

100

$2.43 / week

Clock Radio

6

14.6c / week

Computer and Monitor

100

7.25c for 5 hours

Dehumidifier

197

$4.79 / week*
(est. average cost)

Drill

500

7.29c / hour

Electric Blanket
Single
Double


100
200


6.3c / week
15.5c / week

Extraction Fan

40

6.9c for 12 hours

Hair Dryer

1600

23.3c / hour

Hedge Trimmer

400

5.8c / hour

Lawn Mower

1200

17.4c / hour

Playstation & Monitor
(small 14'' TV)

68

1c / hour

Pool Pump

1000

14.5c / hour

Radio

8

19.3c / week

Saw

1000

14.5c / hour

Security Alarm

5

12.2c / week

Sewing Machine

75

1.1c / hour

Shaver

15

1.4c / week

Spa Pool

6000

89.4c / hour

Stereo

85

4.9c for 4 hours

Television

81

4.7c for 4 hours

Vacuum Cleaner

1100

16c / hour

Video Recorder

21

1.5c for 5 hours

Waterbed
Single
King


-
-


2.96c / week
4.96c / week

* Cost shown based on appliances being on continuously.


Further information:

See www.mercury.co.nz

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