c/kWh
per week
Capacity
9 kg
Condenser
Energy rating
7
Annual electricity use
170 kWh
Label: 170 kWh ยท 3.3 kWh per load
Estimated running cost
$56 / year
$561 over 10 years
Control
Auto-sensing ยท Cottons, Cupboard Dry Plus, Dryness level +1 programme

32% 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 5% of them. At your rates that is about $14 a year more than the median, $135 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 TWF 720 WP8 kg94 kWh/yr10$31
Miele TCF 720 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 Bosch T21

ModelStarsEst. cost / yrCompare
Artusi AHPD9000W9 kg168 kWh/yr7$55
Miele TQ1000 WP9 kg105 kWh/yr10$35
Miele TWV & TWR 780 WP9 kg108 kWh/yr10$36
TCL DH90C60*9 kg109 kWh/yr10$36
Hisense HDF7S90HB9 kg110 kWh/yr10$36
Fisher & Paykel DH9060FS9 kg105 kWh/yr10$35
TCL DH90S30W9 kg109 kWh/yr10$36
Fisher & Paykel DH9060FSG19 kg105 kWh/yr10$35

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

Compare T21 with another clothes dryer

Bosch T21 specifications

Type (government)
Condenser
Rated capacity
9.0 kg
Combination washer-dryer
No
Control
autosensing
Programme tested
Cottons, Cupboard Dry Plus, Dryness level +1
Programme time
357 min
Moisture removed in test
7.14 kg
Dimensions (Wร—Hร—D)
โ€“
Annual energy (label)
170 kWh
Star rating index
7.35
Country of manufacture
Poland

Other model numbers on registration ACD0673

New Zealand E3 registration details

Registration number
ACD0673
GEMS registration id
151601
Status
approved, available (self-reported)
Registration expires
13 December 2027
Registered for sale in
Australia, Fiji, New Zealand
Family
T21
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.