# What are the quietest evaporative coolers available? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are the quietest evaporative coolers available?

## Products

### Portacool Apex 500 Wi-Fi Evaporative Air Cooler
```yaml
product: portacool-apex-500-wi-fi-evaporative-air-cooler
brand: Portacool
price_gbp: 812.65
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
dimensions: 46 in H x 22 in W x 19.5 in D
portability: Built-in handle, two rear wheels, front locking casters, 70 lb
cooling_capacity: 500 sq ft
power_consumption: 250 W
fan_speed_settings: 5
humidifier_function: No, designed to add minimal humidity
water_tank_capacity: 13 gal
```

- **Price:** £812.65 [^1]
- **Summary:** The Portacool Apex 500 cools spaces up to 500 sq ft with 800 CFM airflow reaching up to 55 ft. It has five fan speeds, Wi-Fi app control, oscillating louvers, a 13-gallon tank, and a quiet 53 dB operating level, making it suitable for garages, workshops, patios, and other dry spaces.
- **Ideal For:** It suits people seeking quiet evaporative cooling because its 53 dB noise level is relatively low while its five fan speeds and Wi-Fi controls allow quieter low-speed operation when needed.
- **Additional Sources:** [^2], [^3]

### Hessaire MC18M 1300 CFM Mobile Cooler
```yaml
product: hessaire-mc18m-1300-cfm-mobile-cooler
brand: Hessaire
price_gbp: 147.88
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
dimensions: 28 in H x 20 in W x 10 in D
portability: 16 lb with built-in handle and caster wheels
cooling_capacity: 1,300 CFM for up to 500 sq ft
power_consumption: 0.7 A / 85 W
fan_speed_settings: 2 fan speeds
humidifier_function: Yes, evaporative cooling adds humidity when the pump is on
water_tank_capacity: 4.8 gallons
```

- **Price:** £147.88 [^4]
- **Summary:** The Hessaire MC18M is a compact 1,300 CFM evaporative cooler designed for spaces up to 500 sq ft. Its 4.8-gallon tank, hose connection, lightweight body, handle, and caster wheels suit patios, workshops, garages, and other well-ventilated areas.
- **Ideal For:** It suits people seeking a quieter evaporative cooler because it has low and high fan settings, a low-power 85 W motor, and quiet high-velocity airflow, while its 1,300 CFM output fits smaller spaces.
- **Additional Sources:** [^5]

---
## References & Sources
[^1]: Portacool, accessed 2026-09-13. https://www.portacool.com/products/apex-series/apex-500-portable-evaporative-coolers/
[^2]: Northern Tool + Equipment, accessed 2026-09-13. https://www.northerntool.com/products/portacool-portable-evaporative-cooler-air-delivery-800-cfm-model-paca05001a1-5939519
[^3]: Industrial Fans Direct, accessed 2026-09-13. https://industrialfansdirect.com/portacool-apex-500-evaporative-cooler-500-sq-ft-coverage-variable-speed-paca05001a1
[^4]: Tractor Supply Co., accessed 2026-09-13. https://www.tractorsupply.com/tsc/product/hessaire-mc18m-1-300-cfm-evaporative-cooler
[^5]: Ace Hardware, accessed 2026-09-13. https://www.acehardware.com/departments/heating-and-cooling/air-conditioners-and-coolers/evaporative-coolers/8015782