EnergyLabelEU
EN
Costs for 0.283 €/kWh · Eurostat 2026 H1

Heat pump dryers · 9 kg · freestanding

LG RT90X9B

A

Uses the least electricity of the 1,670 heat pump dryers, 9 kg on the EU register. At your selected price (European Union) that is €36 a year, €358 over ten years.

Per 100 cycles
79 kWh
Typical 110 kWh
Running cost
€36 / year
−€14 vs typical
Per cycle
€0.22
0.79 kWh

The lowest consumption of all 1,670 heat pump dryers, 9 kg on the EU register. Class A is the best class any model in this group reaches, and only 7% of them do. A full standard cycle takes 320 minutes, 108 more than the typical dryer in its group. Of 79 LG models in this group, it is the most efficient. LG sells the same label values under other model names: RHX9009TBC, RH9X96BM.

Where it stands

Rank 1 of 1,670 heat pump dryers, 9 kg by yearly consumption. None uses less.

Median 176 This model · 126 120 340 kWh ← uses less · uses more →

Next to it in the ranking

  1. A LG RH9X96BM 126 kWh same
  2. A LG RHX9009TBC 126 kWh same
  3. A LG RT90X9B 126 kWh
  4. A Hanseatic HWT9AGT 126 kWh same
  5. A Haier HD90-A367GU1 126 kWh same
See the full ranking

What it will cost you

Period RT90X9B
1 year €36
5 years €179
10 years €358
15 years €537

Cost by how often you dry

Use kWh / yr € / yr
Winter only · 80 cycles 63 €18
Our default · 160 cycles 126 €36
Family · 260 cycles 205 €58

Noise · class A

50 dB · quiet office70 dB · vacuum cleaner 60 dB
Dashed: group median 64 dB

Label and product sheet

Energy class
A
Technology
Heat pump dryers
Energy per cycle
0.79 kWh
Rated capacity
9 kg
Condensation efficiency
B (91 %)
Programme duration (full load)
5:20 h
Noise
60 dB(A)
Refrigerant
R134a
Guarantee (supplier)
2 years
Spare parts (minimum)
10 years

Model numbers and history

2 model numbers are registered by LG with identical label values (usually colour or market variants). Searching any of them leads here.

RT90X9B · RT90X9

  1. First published in the EU register (EPREL)
  2. Placed on the EU market

Questions

How much does the LG RT90X9B cost to run?

At 160 drying cycles a year it uses about 126 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €36 a year, or €358 over ten years.