Electrolux ECU7878CSW Comfort 700 Portable Air Conditioner – 3400 W, A+ Energy Class, Inverter, HEPA Filter, 43 dB

Freshness and silence every day

The Electrolux ECU7878CSW Comfort 700 is a next-generation 4-in-1 portable air conditioner. Operating quietly at 43 dB in Silent mode and equipped with a HEPA filter and Inverter technology, it cools, ventilates, dehumidifies and purifies the air — while achieving energy savings of up to 40%.

Inverter power: 3,400 W for 35 m²

With a cooling capacity of 3,400 W (12,000 BTU/h) and Inverter technology, the Comfort 700 continuously adjusts its power to maintain the ideal temperature precisely, without fluctuations. Its A+ energy rating and intelligent mode enable energy savings of up to 40%.

HEPA filter: clean, healthy air

The integrated HEPA filter captures up to 97.7% of fine particles and eliminates 99.99% of bacteria present in the air. Ideal protection for people sensitive to allergies or indoor pollution.

Quiet operation: 43 dB in Silent mode

In Silent mode, the Comfort 700 operates at just 43 dB(A) — virtually imperceptible. Even at full power, it remains below 64 dB(A). Its 4 fan speeds allow you to adjust the airflow to suit every situation.

4 functions for complete comfort

• Air conditioning: fast, precise cooling for spaces up to 35 m²
• Dehumidification: reduces ambient humidity for more comfortable air
• Ventilation: air circulation with 4 speed settings
• Purification: HEPA filtration of fine particles and bacteria

Connectivity via the Electrolux app

Control your air conditioner remotely from your smartphone using the Electrolux app. Adjust the temperature, change the mode or schedule the shutdown — wherever you are.

Compact design with vertical hose

The innovative design with a vertical hose saves up to 53% of space compared with traditional portable air conditioners. The integrated castors make it easy to move from one room to another.

Eco-friendly: R290 refrigerant and recycled plastic

The Comfort 700 uses R290 refrigerant (natural propane), which has a low environmental impact. It is made with 28% recycled plastic, demonstrating a genuine commitment to sustainability.

Technical specifications

• Reference: ECU7878CSW
• Range: Comfort 700
• Cooling capacity: 3,400 W (12,000 BTU/h)
• Technology: Inverter
• Energy rating: A+ (cooling)
• Refrigerant: R290 (natural propane)
• Coverage area: up to 35 m²
• Noise level: 43 dB(A) (Silent mode) / < 64 dB(A) (max.)
• Number of speeds: 4
• Filter: HEPA (97.7% of fine particles, 99.99% of bacteria)
• Functions: air conditioning, dehumidification, ventilation, HEPA purification
• Connectivity: Electrolux app (Wi-Fi)
• Controls: touch-sensitive
• Design: vertical hose (53% space saving)
• Materials: 28% recycled plastic
• Reversible: No
• Dimensions (H x W x D): 802 x 493 x 415 mm
• Weight: 34.5 kg
• Colour: white
• Spare parts availability: 13 years
• Origin: Made in China