# What is the quietest electric essential oil diffuser available? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What is the quietest electric essential oil diffuser available?

## Products

### Scentreat Rubber Wood & Ceramic Ultrasonic Diffuser (Scentreat)
```yaml
product: scentreat-rubber-wood-ceramic-ultrasonic-diffuser-scentreat
brand: Scentreat
price_gbp: 67.92
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
auto_off: auto shut-off when water runs low
capacity: 180
humidifier: cool ultrasonic mist
```

- **Price:** £67.92 [^1]
- **Summary:** This is a whisper-quiet ultrasonic essential oil diffuser with a natural rubber wood base and ceramic cover. It runs with cool mist (no heat, smoke, or flame) and includes an auto shut-off when the water runs low. It's aimed at bedrooms, desks, and small living spaces and is designed for sleep routines.
- **Ideal For:** It's a sub-30 dB ultrasonic diffuser (no fans or motors) with an auto shut-off when the water runs low, making it suitable for quiet, overnight use on a nightstand.
- **Additional Sources:** [^1]

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## References & Sources
[^1]: Scentreat, accessed 2026-06-23. https://scentreat.com/products/rubber-wood-ceramic-ultrasonic-essential-oil-diffuser