
TROTEC PAE 51
German-engineered 4-in-1 with a true night mode.
- 4-in-1: cool, purify, humidify, fan
- 4 fan levels + night mode
- 20L tank for day-long cooling
- Air filter traps dust and pollen
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13.4% slower reaction times (and 13.3% slower working-memory responses) measured in homes without cooling during a real heatwave, versus air-conditioned homes. Cedeño Laurent et al., PLoS Medicine, 2018
What does a cool night actually cost?
TROTEC PAE 51 draws just 110W — about the same as an old lightbulb.
Based on 110W at 24.5p/kWh (uk avg). Your tariff may vary — it'll still be pennies.
- Tank capacity
- 20 L
- Airflow
- 1,200 m³/h
- Noise
- 48 dB (max)
- Power
- 110 W
- Height
- 100 cm
- Weight
- 12.5 kg
- Room size
- up to 25 m²
- Speeds
- 3 + sleep
- Timer
- 12 h
- Controls
- Remote & touch panel
Quieter than your conversation.
Quiet enough for TV evenings; sleep mode drops it lower.
What it actually does, in numbers.
per hour to run
based on uk avg electricity rates
| Water tank | 20L |
| Airflow | 1200 m³/h |
| Noise | 48 dB |
| Power draw | 110 W |
| Height | 100 cm |
| Weight | 12.5 kg |
| Running cost | ~3p/hour |
| Covers rooms to | 25 m² |
Every spec on this page comes from the manufacturer's data sheet. We don't invent airflow figures or noise ratings — if a unit can't meet its claims, it doesn't go in the range.





