
Ecoflow Wave 3: A Blast of Hot and Cold!
Introduction
Is your van turning into a sauna, and even your best fan just isn’t cutting it? The EcoFlow Wave 3 portable air conditioner might just be the game-changer for your nomadic adventures. In this in-depth review—and our comparison with the Wave 2—we break down its performance, battery life, and how well it handles comfort in tight spaces.
But here’s the big news: it now does cooling and heating. So if you’re dreaming of staying chill in 40°C (i.e. 104°F) heat or cosy at 0°C (i.e. 32°F), what you’re about to read might just give you goosebumps.
Who Is the EcoFlow Wave 3 For?
The EcoFlow Wave 3 is a portable air conditioner built for small spaces and off-grid environments. With 6100 BTU cooling power and 6800 BTU heating capacity, it’s made for vanlifers, campers, and anyone living the nomadic lifestyle. Add the extra battery, and you’re looking at up to 8 hours of autonomy—no hard wiring needed, super easy to set up. It’s a real asset when you’re on the move.
If you’re into outdoor living, the Wave 3 is a legit answer to both heatwaves and chilly nights. Whether you’re in a tent, campervan, or even a boat, this portable AC/heater delivers solid thermal comfort. It can raise the temperature by 9°C (i.e. \~16°F) in just 15 minutes, and cool small spaces quickly—perfect for sleeping under the stars without freezing or overheating.
Campervan and RV owners will especially appreciate how seamlessly the Wave 3 fits in. This 2-in-1 unit doesn’t require major modifications and works independently from fixed power sources. Great for long road trips or remote getaways, it keeps your living space comfy no matter where you park up.
User | Needs | How Wave 3 Helps |
---|---|---|
Vanlifers | Cooling in tight quarters | 6100 BTU, 8-hour battery life |
Campers | Off-grid temperature control | Runs on battery, easy to carry |
Tiny house owners | Efficient year-round heating/cooling | Fast temp change, app control |
Pet lovers | Comfort for animals in summer | Pet mode, remote scheduling |
For energy-autonomous homes like tiny houses, the Wave 3 is also a smart, energy-efficient solution. It’s solar-compatible and doesn’t need to be hardwired. Its 1024Wh LFP battery handles up to 4000 cycles at 80% capacity—offering reliable, long-term climate control for people going fully off-grid.
It’s also perfect for occasional use in milder climates. Whether you’re off for a weekend in a tent, setting up a camper trip, or need to regulate the temp in a backyard studio, the Wave 3 adapts its output to suit the space. Plus, the built-in dehumidifier mode makes it really handy in damp environments—so it works in every season.
In short, the Wave 3 is for anyone chasing mobile comfort. A clear upgrade from the Wave 2, it’s more powerful, smarter, and more flexible. If you want control over your indoor climate without relying on the grid, this is a smart investment for year-round, on-the-go peace of mind.
Exterior Design of the Wave 3
The EcoFlow Wave 3 features a compact, streamlined design built for tight spaces. With dimensions of 51.9 × 29.7 × 33.6 cm (i.e. 20.4 × 11.7 × 13.2 inches), it fits easily into a van or tiny house setup. This small footprint combined with enhanced performance makes it a versatile device for both heating and cooling in mobile or off-grid environments.
Compared to the Wave 2, the Wave 3 is slightly wider—51.9 cm (i.e. 20.4 inches) vs 51.8 cm (i.e. 20.4 inches)—but depth and height remain nearly the same. Its weight has increased from 14.5 kg to 15.6 kg (i.e. 34.2 lbs), reflecting the use of more robust components to support its boosted power: 6100 BTU for cooling and 6800 BTU for heating.
Despite the added weight, portability was clearly a priority in the design. Integrated handles make it easy to carry, and the placement of the ports and ventilation grilles allows for quick setup and optimal performance straight out of the box.
- Compact design tailored for small spaces
- Weight: 15.6 kg (i.e. 34.4 lbs), reinforced structure
- Size: 51.9 × 29.7 × 33.6 cm (i.e. 20.4 × 11.7 × 13.2 inches)
- Ventilation flow: 330 m³/h (i.e. 11,650 ft³/h)
- Compatible with EcoFlow accessories
- Durable casing, built to withstand shocks and vibrations
- LED indicators for battery and water level
Air intake and exhaust vents are placed strategically, delivering a strong airflow of 330 m³/h (i.e. 11,650 ft³/h). Vents at the front and rear ensure even air distribution—hot or cold—making it effective in spaces up to 17 m² (i.e. approx. 183 ft²).
Control-wise, the Wave 3 offers both physical buttons and smart app integration. Touch controls are grouped on the top panel for easy access, and the LED display shows all the essential info. Through the EcoFlow app, you can fine-tune settings remotely—ideal if you’re managing the climate from your phone or tablet.
Aesthetically and functionally, the Wave 3 fits well in a wide range of setups. Its compact build blends in easily with van or tiny home interiors. With whisper-quiet operation at just 44 dB in standby mode and solar compatibility, it’s a versatile choice for modern nomads and those chasing energy independence.
Tech Specs and Comparison with the Wave 2
The EcoFlow Wave 3 delivers 6100 BTU of cooling power, a noticeable bump from the Wave 2’s 5100 BTU. This 1000 BTU boost allows it to cool larger spaces more efficiently. In practice, it can lower the temperature by 8°C (i.e. 14.4°F) in just 15 minutes.
Heating is also improved. The Wave 3 hits 6800 BTU, up from 6100 BTU on the Wave 2. That translates to a quicker warm-up, with a +17°F increase in just 15 minutes. A big win if you’re using it in colder environments.
Battery runtime is up to 8 hours when paired with EcoFlow’s 1024Wh add-on battery. The LFP (LiFePO4) battery supports 4000 cycles at 80% capacity, and it recharges in about 2 hours using the XT150 port—so you’re not stuck waiting around.
Feature | Wave 2 | Wave 3 |
---|---|---|
Cooling capacity | 5100 BTU | 6100 BTU |
Heating capacity | 6100 BTU | 6800 BTU |
Airflow | 290 m³/h (i.e. 10,240 ft³/h) | 330 m³/h (i.e. 11,650 ft³/h) |
Refrigerant | Standard type | R290 (eco-friendlier) |
Power consumption | 1500W (cooling) | 1800W (cooling) |
Wireless runtime | Not specified | Up to 8h with add-on battery |
Recharge time | Not specified | 2h via XT150 |
Heat-up speed | Not specified | +17°F in 15 minutes |
Standby noise | Not specified | 44 dB |
Weight | 14.5 kg (i.e. 32 lbs) | 15.6 kg (i.e. 34.4 lbs) |
Despite its added power, the Wave 3 stays energy-efficient. Its consumption is well balanced for a 6100 BTU output. Plus, switching to R290 refrigerant gives it a cleaner environmental profile compared to the Wave 2.
Charging options are flexible: wall outlet, solar panels, vehicle alternator, or an EcoFlow power station. A full recharge takes 2 hours via XT150, or just 75 minutes when combining AC and solar input.
Overall, the Wave 3 marks a solid upgrade: stronger cooling (+1000 BTU), better heating (+700 BTU), and higher airflow (+40 m³/h or 1412 ft³/h). The eco-friendlier refrigerant is a step in the right direction too.
Usage: Setup, Noise, and Performance
Setting up the Wave 3 in a van is tool-free and straightforward. You just plug it into a standard socket or hook it up to an EcoFlow battery. The insulated exhaust hose can be routed in different ways—many vanlifers avoid drilling by simply fitting it through a window using a temporary seal.
Noise-wise, the Wave 3 runs at 44 dB in standby—about the same as a quiet library. While the Wave 2 had a high-pitched whine according to some users, there’s no concrete data confirming a significant sound improvement on the Wave 3.
In real-world use, the Wave 3 drops temps by 8°C (i.e. 14.4°F) in just 15 minutes, thanks to its 6100 BTU cooling capacity. In one test, the inside temperature went from 24°C to 28°C (i.e. 75°F to 82.4°F) over 90 minutes—showing it can stabilize temperature efficiently in spaces up to 17 m² (i.e. \~183 ft²).
With its 6800 BTU heating mode, it’s well-suited for mild to moderately cold climates. Perfect for enclosed, insulated spaces like vans or tiny homes. While there’s no precise square footage for heating performance, the 700 BTU boost over the Wave 2 clearly makes a difference.
- Eco Mode: Extends battery life for longer off-grid use
- Sleep Mode: Lowers noise output to 44 dB for quiet operation
- Auto Mode: Keeps temperature steady within your set range
- Pet Mode: Maintains temps between 25°C–45°C (i.e. 77°F–113°F) via the app for animal comfort
- Dehumidifier Mode: Reduces humidity for better air comfort
- Smart Control: Remote scheduling and settings via EcoFlow app
- Thermal Adaptability: Switches to heating mode when temperatures drop
- Charging Options: Compatible with wall sockets, EcoFlow solar panels, and 12V vehicle ports
- Enhanced Output: 6100 BTU cooling, 6800 BTU heating for larger spaces
The EcoFlow app lets you control the Wave 3 remotely via Wi-Fi or Bluetooth. You can schedule timers, switch modes (cool, heat, dehumidify), check battery status, and get notifications. Pet Mode keeps things comfortable for your animals automatically.
User experience with the Wave 3 is simple and intuitive, especially with remote scheduling. You get up to 8 hours of runtime in Eco Mode and quick recharges in just 2 hours. Its solar compatibility and touch controls make it super practical for life on the road or off the grid.
Our Take on the Wave 3
The Wave 3 is a clear upgrade over the Wave 2, jumping from 5100 BTU to 6100 BTU. It also heats faster, with a +17°F rise in just 15 minutes. These improvements make it a standout choice in the world of portable, off-grid air conditioners.
Its biggest strength? Fast cooling. In 15 minutes, it can drop the temperature by 8°C (i.e. 14.4°F). The Pet Mode via the app is a great touch for animal lovers. And with solar compatibility and 2-hour recharging, it’s clearly designed with nomads in mind.
That said, installation can be a bit fiddly in tight spaces. The exhaust hoses limit how and where you can place it, and you’ll need a container for collecting condensation. Also, while it’s powerful, energy efficiency per watt could still be improved.
For mobile use, the price feels fair given what you’re getting. It’s a 2-in-1 system with battery-powered autonomy. And the up-front cost pays for itself over time, since you’re not tied to electricity or fuel bills.
Reliability is solid. The 1024Wh LFP battery handles up to 4000 cycles at 80% capacity. Even with multiple days of heavy use, we had no issues with overheating.
In short: if you’re on the road and want dependable, flexible climate control, the Wave 3 is a smart, long-term investment.
Should You Buy the Wave 3?
The Wave 3 is a great fit for vanlifers and campers looking for year-round comfort. You get 6100 BTU of cooling and 6800 BTU of heating—enough for spaces up to 17 m² (i.e. \~183 ft²). With the optional 1024Wh battery, you’re looking at up to 8 hours of wireless operation.
There are alternatives like the De’Longhi Pinguino or Whirlpool units, but power levels vary. The Zero Breeze Mark 2 is in the same category but notably less powerful. What really sets the Wave 3 apart is its solar compatibility and its use of R290 refrigerant, which is far more eco-friendly than what many rivals use.
If you already own the Wave 2, upgrading depends on your needs. With 1000 extra BTU in cooling and 700 more in heating, the Wave 3 is worth the upgrade if you’re after faster, more powerful climate control.
The add-on EcoFlow battery is key for going fully off-grid. And if you’re on the road, the alternator charger lets you fully recharge in 1 hour while driving. Planning to go solar? EcoFlow has compatible panels that make off-grid use totally viable.
With an LFP battery rated to last 10 years, the Wave 3 is clearly built for the long haul. Yes, the price is steep up front, but its versatility and long-term durability make it a smart investment for regular nomads.
So, is it worth it? If you’re after a portable 2-in-1 AC and heater that can run off battery or solar, the Wave 3 is a solid pick.
EcoFlow WAVE 3: Pros, Cons & Final Rating
- Fast cooling: Drops the temperature by 8°C (i.e. 14.4°F) in just 15 minutes—perfect for dealing with heatwaves.
- Dual heating/cooling mode: 6800 BTU for heating and 6100 BTU for cooling, giving you comfort all year round.
- Up to 8h runtime: Runs wirelessly with the optional 1024Wh LFP battery—ideal for off-grid setups.
- Fast charging: Full battery recharge in 2 hours via XT150, or 75 minutes using AC + solar.
- Solar compatible: Designed with renewable energy in mind—great for vanlife and tiny homes.
- Quiet in standby: Only 44 dB—silent enough to sleep next to, whether you’re in a tent or a van.
- Smart mobile app: Control it remotely via Bluetooth or Wi-Fi; includes scheduling and a Pet Mode for animal safety.
- Compact, tough build: Measures 51.9 × 29.7 × 33.6 cm (i.e. 20.4 × 11.7 × 13.2 in), with impact-resistant casing and built-in handles.
- Eco-friendly R290 refrigerant: More efficient and less harmful to the environment than traditional gases.
- Improved airflow: Up to 330 m³/h (i.e. ~11,650 ft³/h) for even cooling across spaces up to 17 m² (i.e. ~183 ft²).
- Awkward to install: Exhaust hoses limit where you can place it—especially tricky in tight spaces.
- High price tag: Starts at €899 (i.e. ~$970 or ~£770) without the battery, which might put off tighter budgets.
- Heavy power draw: Uses up to 1800W in cooling mode—requires careful energy planning.
- Not exactly lightweight: At 15.6 kg (i.e. 34.4 lbs), it’s a bit bulky to move around, especially without fold-out handles.
- Condensation management: Needs a drain hose or container for water runoff—less convenient on long trips.
- No fan-only mode: You can’t just circulate air without also activating heating or cooling.
- Battery use requires a separate accessory: That 8-hour runtime only happens if you buy the optional LFP battery.
- Exhaust system takes up space: The ducts can get in the way in small setups and often need temporary window mounting.
- Eco Mode can be limiting: In extreme cold or heat, it may underperform to preserve energy.
- Not built for constant home use: It’s meant for mobility—don’t expect it to cool large rooms day after day.
The EcoFlow Wave 3 portable air conditioner is a major upgrade from the Wave 2, combining more power (up to 1800W), extended autonomy (up to 8 hours on battery), and a compact design. Perfect for vanlifers and serious campers, it offers comfort and mobility with zero compromise.
With its fast cooling ability (Δ8°C—or 14.4°F—in just 15 minutes) and full solar compatibility, this 2-in-1 air conditioner redefines what off-grid comfort looks like. It’s a go-to solution for making the most of your adventures—whether it’s blazing hot or freezing cold.
And don’t forget to use the code CARO5
for 5% off your Wave 3!