EcoFlow WAVE 3 vs Dreo Smart 3-in-1 Portable Air Conditioner
We compare the EcoFlow WAVE 3 and the Dreo Smart 3-in-1 Portable Air Conditioner across every dimension that matters - our scores, the key specs, and how each performs on the things you will actually notice day to day.
At a glance
| EcoFlow WAVE 3 | Dreo Smart 3-in-1 Portable Air Conditioner | |
|---|---|---|
| Our score | 7.7/10 | 9.5/10 |
| Best for | Moveable cooling in a heatwave without fitting a fixed unit | Moveable cooling in a heatwave without fitting a fixed unit, plus dehumidifying year-round |
| Not ideal for | Anyone wanting silent running or the lowest possible electricity use - a fan is cheaper but doesn't truly cool | Anyone wanting silent running or the lowest possible electricity use - a fan is cheaper but doesn't truly cool |
| Brand | EcoFlow | Dreo |
Cooling Power (BTU)
EcoFlow WAVE 3
Cooling capacity is rated at 6,100 BTU, with the unit drawing 1,800W in cooling mode. This combination indicates the cooling output is directly linked to the stated power draw as the system runs. In real-world use, performance will depend on factors such as room size, airflow and insulation. The portable air conditioner links the cooling rating with app control via Wi-Fi, enabling remote adjustment of the chosen settings.
Dreo Smart 3-in-1 Portable Air Conditioner
With a stated 10,000 BTU cooling power, this portable air conditioner is designed for cooling a typical room rather than delivering whole-home climate control. This BTU figure refers to the unit's cooling capacity for lowering air temperature during operation. Used with its 3-in-1 setup, the cooling function can run alongside fan circulation and a dehumidifier mode, which can help reduce how humid the air feels. Actual comfort depends on the room conditions, since BTU alone does not account for insulation, sunlight gains or airflow patterns.
Room Size and Coverage
EcoFlow WAVE 3
Room size and coverage should be treated as estimates. A practical check is to measure the room's floor area and consider ceiling height, insulation, and window exposure, since these factors affect performance. In typical use, smaller, well-sealed spaces will cool more evenly than large open layouts. Performance can also vary with airflow placement and whether doors are frequently opened. If cooling seems insufficient, lowering expectations or repositioning helps.
Dreo Smart 3-in-1 Portable Air Conditioner
Room size and coverage determine how well a 10,000 BTU portable unit can cool in real life, but BTU alone does not tell the full story because room layout and airflow affect performance. The Dreo's 3-in-1 design is aimed at general cooling for typical bedrooms. Coverage depends on ceiling height, insulation, and the number of walls and windows in the room. For best results, the unit should be placed close to the centre of the room, with doors mostly kept closed, and direct sunlight and other strong heat sources avoided. With poor airflow, cooling can feel uneven even when BTU appears adequate.
Modes and Dehumidifier Function
EcoFlow WAVE 3
Modes on the EcoFlow are designed to support both cooling and heating in the same setup, with the active mode selected in the app. For cooling, it is rated at 6100 BTU with 1800W. For heating, it is rated at 6800 BTU with 2000W. When dehumidifying is needed, the unit targets moisture removal rather than temperature change, which can help when humidity affects how warm a room feels. The app mode can be switched and comfort changes can be monitored, but results depend on the room conditions. Not stated how dehumidifier power is measured.
Dreo Smart 3-in-1 Portable Air Conditioner
Modes matter for day-to-day comfort, and the Dreo Smart 3-in-1 Portable portable air conditioner is designed to run in three functions: cooling, fan and dehumidifying. In cooling mode, it drops room temperature while moving conditioned air through the space. Fan mode circulates air without stated temperature reduction, which can help during mild weather or after dehumidifying. The dehumidifier function targets moisture levels, which is useful for damp rooms, though the results depend on the starting humidity. Control is available via app, voice or the included remote, with a 24-hour timer that supports the fan and dehumidifier functions.
Noise Level and Energy Use
EcoFlow WAVE 3
Noise levels and energy use are practical considerations for anyone using the arcticpick The portable air conditioner, particularly in a van, RV, or near sleeping areas. The unit provides 1800W (6100 BTU) cooling and 2000W (6800 BTU) heating, so higher demand typically means more active operation. For energy management, it includes app control, which allows users to match comfort needs to available power. Charging is listed as 1000W fast charging taking about 75 mins, and wireless runtime is stated as 8 hr, making it suitable for short breaks, while long periods away from a charging point may require recharging.
Dreo Smart 3-in-1 Portable Air Conditioner
Noise level and energy use are what many people check after the cooling, fan and dehumidifying functions. For the Dreo, the provided product information does not specify any noise level figures in dB or any power draw figures in watts. That means an exact comparison is not possible. In daily use, perceived sound can also vary because fan speed and operating mode can change as cooling and dehumidifier cycles run differently. Energy use can vary too, depending on runtime, the set temperature, and whether Wi-Fi or the app is used for scheduled control via a 24h timer.
Installation, Hose and Setup
EcoFlow WAVE 3
After considering how power demand affects comfort and how app control supports monitoring, installation, hose handling, and setup are the next focus for the EcoFlow WAVE 3. This portable unit provides cooling and heating with app control for start and monitoring. Setup begins by placing it on a stable, level surface, then positioning the exhaust hose so air can vent outward. The hose should be kept as straight as possible, as sharp bends can reduce airflow. The same hose route is used for heating, though performance depends on room layout. Operation should be checked before travel, especially in vans or RVs, and users should ensure the available power is sufficient.
Dreo Smart 3-in-1 Portable Air Conditioner
Setting up the portable air conditioner is straightforward, but it still depends on correct window placement and careful hose routing. The unit is positioned on the floor close to a suitable window, then the exhaust hose is fitted and routed to keep the connection tight and reduce airflow leaks. For cooling and dehumidifier mode, routing the hose with minimal bends helps maintain airflow through the exhaust path. Once the window is closed around the hose, a final check confirms the window seal sits flat and secure. If airflow seems weak, adjust the hose length and routing rather than changing the settings.
Who Is This Portable Air Conditioner For?
EcoFlow WAVE 3
Who should consider the EcoFlow depends mainly on the type of space they want to cool or heat and how they plan to manage power. It is suited to people who want mobile climate control for smaller, contained areas, particularly for camping, vanlife, and RVs or SUVs. The unit is rated to cool at 1800W/6100 BTU and heat at 2000W/6800 BTU, so it is best matched to a small to medium room rather than a large home. Power planning matters because the included recharge options are aimed at shorter off-grid use. With 1000W fast charging (75 minutes) and an 8 hour wireless runtime, plus app control for remote settings, it works well for planned sessions away from mains power.
Dreo Smart 3-in-1 Portable Air Conditioner
Who is the Dreo Smart 3-in-1 Portable really suited for? It is designed for portable, drainage-free cooling with a 10,000 BTU capacity, alongside straightforward modes for cooling, fan, and dehumidification. It suits bedrooms and smaller rooms where quiet, mobile operation matters, as it is positioned as a "silent" portable unit. Buyers who want hands-off control can use the app or voice commands, with an additional remote for backup operation. It also supports timed use with a 24-hour timer, including fan and dehumidifier settings.
EcoFlow WAVE 3: pros
- 6100 BTU of cooling power
- Wi-Fi/app control
- Proper cooling you can move between rooms
Cons
- Needs a window for the exhaust hose (unlike an air cooler)
- Uses more electricity than a fan
- Makes some compressor noise, and is bulky to store
Dreo Smart 3-in-1 Portable Air Conditioner: pros
- 10000 BTU of cooling power
- 3-in-1 (cool, fan, dehumidify)
- Wi-Fi/app control
- Remote control included
- Proper cooling you can move between rooms
Cons
- Needs a window for the exhaust hose (unlike an air cooler)
- Uses more electricity than a fan
- Makes some compressor noise, and is bulky to store
Our verdict
Our pick is the Dreo Smart 3-in-1 Portable Air Conditioner (our score 9.5/10) - A practical portable air conditioner (10000 BTU, 3-in-1) for proper, portable cooling around the home. The EcoFlow WAVE 3 is still worth it if it is cheaper when you check, or if it better matches your specific needs.

