EcoFlow Wave 3 Portable Air Conditioner - Heater

EcoFlow Wave 3 Portable Air Conditioner & Heater

The quietest, most powerful, and portable dual-function AC/heater in its class.

Special offer: order the Wave 3 and add a Wave 2 battery for only £50!

Whether you're camping, travelling in a van, or need a plug-and-play cooling/heating solution at home, the EcoFlow Wave 3 delivers fast comfort with ultra-quiet performance and flexible power options.

Upgrades compared to EcoFlow Wave 2 

+20% more powerful cooling: 1,800W (6,126 BTU) vs 1,495W

+11% more powerful heating: 2,000W (6,824 BTU) vs 1,800W

Quieter operation: 38–50 dB vs 44–56 dB

Smaller & lighter: 13.5 kg and compact 515 × 310 × 316 mm

New 1159 Wh LFP battery

New smart features:

• • • Pet Care Mode

    • Water drain notification

    • Sleep Mode & Timer 

Fast Cooling & Heating

Wave 3 cools or heats a 10 m² space in just 5 minutes, thanks to its advanced inverter compressor:

• Cool from 30°C to 20°C

• Heat from 20°C to 30°C

Whether it's sweltering heat or a chilly evening, Wave 3 adapts to your environment.

Plug-and-Play Anywhere Comfort

No complex installation. No drainage required in cooling mode (when humidity is below 70%). Just place, power, and relax – ideal for:

• Campervans & RVs

• Off-grid cabins

• Tents & gazebos

• Small rooms or offices

8 Hours of Off-Grid Use

Pair with the new 1,159Wh EcoFlow Wave 3 Add-On Battery or an EcoFlow DELTA series power station to enjoy up to 8 hours of runtime in Eco Mode – perfect for overnight comfort.

Multiple Charging Options

• AC mains: 700W max for charging - approx. 200 - 250W

• EcoFlow Alternator Charger

• Solar input: 400W max (11–60V, XT60)

• Car charging: 12V/24V up to 200W

• EcoFlow power stations: For extended off-grid use

Quiet Operation

Enjoy uninterrupted sleep or concentration with ultra-low noise levels:

• 38 dB in Sleep Mode

• ≤50 dB at max output

No Installation. No Drainage (Cooling Mode)

Wave 3 offers plug-and-play use with no setup required and drain-free cooling when ambient humidity is under 70%

8 Hours of Battery-Powered Comfort

The new 1,159Wh LFP add-on battery gives you up to 8 hours in Eco Mode. Charge using:

• Mains AC (700W)

• Alternator Charger

• Solar panels (400W max)

• 12/24V car socket (200W max)

• EcoFlow DELTA power stations for extended use

Eco-Friendly R290 Refrigerant

Like its predecessor, Wave 3 uses R290, a natural refrigerant with low global warming potential and zero ozone emissions – cooling that’s better for the planet.

In the Box

• EcoFlow Wave 3 (with mains power cable)

• 2 × exhaust ducts

• 3 × duct adapters

• Soft window vent board

• Cable winder & drain pipe

• Manual & warranty card

Specifications