c/kWh
per week
Capacity
9 kg
Condenser
Energy rating
8
Annual electricity use
152 kWh
Label: 152 kWh ยท 2.9 kWh per load
Estimated running cost
$50 / year
$502 over 10 years
Control
Auto-sensing ยท Eco Cotton programme

18% more electricity than the median of 64 comparable 9 kg condenser dryer registrations (129 kWh a year on the label basis). It uses less than 8% of them. At your rates that is about $8 a year more than the median, $76 over 10 years.

How efficient is it for its size?

kWh per year. Bar: the middle 80% of 64 comparable 9 kg condenser dryer registrations. Dot: this model (above the median). Hover or tab to a mark for its value.

Cohort: every currently registered 9 kg condenser dryer sold in New Zealand, counted once per registration, on the label usage basis.

Clothes dryers that use less electricity

Same type and size group, at least 3% lower annual kWh on the label basis.

ModelStarsEst. cost / yrCompare
Electrolux EDH812R7WC8 kg93 kWh/yr10$31
Miele TCE 630 WP8 kg94 kWh/yr10$31
Miele Txx xx0 WP8 kg94 kWh/yr10$31
Siemens WQ35B2AXAU8 kg98 kWh/yr10$32
Electrolux EDH812R7WC8 kg98 kWh/yr10$32

kWh and cost on the label usage basis; the product page adjusts to your usage.

Clothes dryers similar to the Westinghouse WDH904N7WA

ModelStarsEst. cost / yrCompare
Asko T509HPT.AU9 kg150 kWh/yr8$50
Eurotech 3603289 kg151 kWh/yr8$50
Kogan KAMHTDRY9ND9 kg152 kWh/yr8$50
Eurotech 3603319 kg151 kWh/yr8$50
Asko T509HPG.AU9 kg150 kWh/yr8$50
Vogue 3613239 kg152 kWh/yr8$50
Kogan KAMHTDRY9N*9 kg152 kWh/yr8$50
Panasonic NH-EH90JD1WA9 kg145 kWh/yr8$48

kWh and cost on the label usage basis; the product page adjusts to your usage.

Compare WDH904N7WA with another clothes dryer

Westinghouse WDH904N7WA specifications

Type (government)
Condenser
Rated capacity
9.0 kg
Combination washer-dryer
No
Control
autosensing
Programme tested
Eco Cotton
Programme time
327 min
Moisture removed in test
7.18 kg
Dimensions (Wร—Hร—D)
โ€“
Annual energy (label)
152 kWh
Star rating index
8.04
Country of manufacture
Thailand

Other model numbers on registration ACD0739

New Zealand E3 registration details

Registration number
ACD0739
GEMS registration id
158172
Status
approved, available (self-reported)
Registration expires
28 November 2028
Registered for sale in
Australia, Fiji, New Zealand
Family
WDH904N7SA
Regulatory standard
Greenhouse and Energy Minimum Standards (Rotary Clothes Dryers) Determination 2024
Test standard
AS/NZS 2442.1:1996/Amdt 4:2006

Source: E3 programme registration data (EECA, New Zealand) (trans-Tasman E3 registration data published by DCCEEW on data.gov.au, CC BY 3.0 AU). Dataset published 20 September 2026; last checked 20 September 2026. How the derived figures are calculated.