EF ECOFLOW Wave 2 Portable Air Conditioner, Air Conditioning Unit with Heat, Air Portable AC for Outdoor Tent Camping/RVs or Home Use (Battery Not Included)
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Style: Wave 2
Features
- Powerful Cooling & Heating. With EcoFlow's tailor-made compressor, Wave 2 can drop the temperature by 18F (10C) in 5 mins in cooling mode (5100BTU) and raise the temperature by 18F (10C) in 5 mins in heating mode (6100BTU).
- Four Ways to Charge. Charge EcoFlow Wave2, the ultimate air cooler and heater, quickly with AC, solar, car, and power stations. Its swappable battery allows for cool or warm air anytime, anywhere, with the flexibility of multiple charging options, making it the perfect tent, RV or camping air conditioner.
- Peaceful and Long-lasting Comfort. Enjoy a peaceful snooze with Wave 2's quiet operation (44 dB) in Sleep Mode, and up to 8 hours of use in Eco Mode. With multiple modes and app control, it offers longer-lasting comfort in your tent, RV, or home. Its powerful and portable design ensures you can take it anywhere you need it.
- No Water Left Behind. Enjoy the convenience of cooling and heating right out of the box! EcoFlow Wave2 is the perfect air conditioner for any compact space. It's extremely simple to use, requiring no installation or drainage*.
- *No drainage is needed in cooling mode when humidity is below 70%, but it is still needed in heating mode.
- Extended Run Time. With a 1159Wh add-on battery, EcoFlow AC unit is truly portable. Add on a DELTA 2/DELTA Max and extend run times to a record-breaking 7-14hrs - that's 28% more efficient than other power stations. And of course, you can top up at home via a wall outlet too.
Brand: EF ECOFLOW
Capacity: 32 Pounds
Cooling Power: 5100 British Thermal Units
Special Feature: Fastest Cooling and Heating, 4 Ways to Charge, 8 Long Hours of Comfort, Installation-free! Fits Anywhere, 44dB Perfect For Quiet Sleep See more
Product Dimensions: 20"D x 13"W x 12"H
Seasonal Energy Efficiency Ratio (SEER): 11
Color: Black&Grey
Voltage: 120 Volts
Noise Level: 44 dB
Refrigerant: R 410A
Manufacturer: EF ECOFLOW
Part Number: EFKT210
Item Weight: 32 pounds
Product Dimensions: 13 x 12 x 20 inches
Item model number: EFKT210
Batteries: 1 Lithium Ion batteries required.
Size: 32 Pounds
Color: Black&Grey
Style: Wave 2
Material: ABS
Power Source: Solar Powered
Voltage: 120 Volts
Wattage: 1159 watts
Installation Method: No
Item Package Quantity: 1
Sound Level: 44 dB
Display Style: LCD
Mounting Type: No
Certification: CEC, WERCS
Special Features: Fastest Cooling and Heating, 4 Ways to Charge, 8 Long Hours of Comfort, Installation-free! Fits Anywhere, 44dB Perfect For Quiet Sleep
Usage: Outdoor Use
Included Components: EcoFlow Wave 2 Accessory, EcoFlow Wave 2 Portable Air Conditioner
Batteries Included?: No
Batteries Required?: No
Battery Cell Type: Lithium Ion
Warranty Description: 2-Year
Capacity: 32 Pounds
Date First Available: March 24, 2023
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Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
The media could not be loaded. The Zero Breeze Mark 2 was the most popular, portable air conditioner available until EcoFlow entered the market with its initially-problematic Wave. EcoFlow (EF) was known for its battery power stations and solar panels, and their introduction of a portable, battery-operated AC turned some heads while the COVID-19 pandemic continued to push people to seek travel relief with recreational vehicles (RVs, vans, SUVs, minivans, etc) and outdoor adventures. Car freezers were already popular for keeping cold fruit and drinks at hand during travels or normadic lifestyles, but air conditioners had become a growing trend. In my review of the EcoFlow Wave and Zero Breeze Mark 2, I highlighted the advantages and disadvantages between both products. The former was much more capable in cooling performance, expandability, and modern feature sets. However, if space and weight were a concern and the space to be cooled was small, the Zero Breeze might have been a better choice. Although, the Zero Breeze could not be used while charging without the purchase of an additional battery. That extra battery would have put the Breeze costing $150 more than the Wave, saved only 15 lbs, but provided 672Wh more capacity. I ended with a recommendation to choose the EcoFlow Wave for larger spaces and those who already had the same company's Delta power stations. A year later, EcoFlow released a smaller Wave 2 that also had a heating function. Interesting. I took my son and friends camping on ice in Yosemite last Thanksgiving and wondered whether the new unit would be suitable for both warm and cold-weather adventures? Well, to some extent. We will go over that in more detail in this review. I should note that BougeRV, another popular manufacturer of power stations, car freezers, and solar panels, also now has a portable AC available -- I may purchase and review one later this year. We shall see after I sell or donate some old items and figure out my review budget. Let's briefly look at some cooling and heating technologies first. SWAMP COOLER VS AIR CONDITIONER The most popular, portable cooling options were swamp (evaporative) coolers and the Zero Breeze Mark 2 air conditioner. The former was dismissed by me because even though they use far less energy, all they do is add moisture into the air and could potentially be unhealthy with increased risk of mold or mildew growth. They work best in dry areas and are useless in humid environments. Air conditioners, on the other hand, remove moisture, blow temperature-controlled air, maintain predictable cooling, but use a lot of energy. They turn air moisture into liquid that gets expelled through a drain. Another cooling method is an ice reservoir where ice must constantly be added to a water tank. No, thank you, to that one. Evaporative (swamp) coolers add moisture to air as a way to lower the temperature in dry environments, air conditioners remove moisture and blow temperature-controlled air, and ice reservoirs fan cooled air through a constant supply of ice and water. FURNACE/HEATER VS AIR-SOURCE HEAT PUMP A furnace or heater CREATES heat whereas a heat pump merely MOVES (and slightly warms) the warmth of the outdoor air (even in cold temperatures) to the indoor. The latter is much more efficient because of its lower energy requirement, but works best in milder climates where the temperature typically does not drop below freezing. A heat pump works in reverse of an air conditioner and uses pressure to warm up the outdoor, cool air for release indoor. It takes longer to warm a space than a furnace, buts its energy efficiency makes it suitable for travel where power could be at a premium. Let's now dive into the products. Please note that because I did not have a Zero Breeze unit available for this review, comparisons will be made purely with data collected in the past and from published specifications. ANALYSIS The Zero Breeze Mark 2 had been one of the most popular, portable air conditioners available for the outdoor market. It is a compact, battery powered appliance to optimally cool a 25-40 sq ft space (according to the manufacturer) at a heat removal rating of 2,300 BTU/hour (674Wh). Its 840Wh Li-ion NCM battery was rated to last 3-5 hours on a single charge but was plagued by inadequate cooling for larger spaces and very hot environments. The Zero Breeze (ZB) could not be used while charging its battery without adding a $130 Power Extension Dock, and some of my friends complained about condensate water spilling out of their units when driving over bumpy roads. They also were not happy that a special cable had to be purchased to recharge via solar panels. Alas, with hardly any competition, it was pretty much the only game in town. The EcoFlow Wave at 38.6 lbs weighed more than double the Zero Breeze Mark 2 (16.5 lbs) due in part to its slightly larger footprint and nearly twice as much cooling power at 4,000 BTU/hour (1,172Wh). The manufacturer claimed the capacity to be optimal for fast-cooling a four-person tent, RV, or small room up to 86 sq ft in size. It promised to more quickly cool a space, be rechargeable while in use, and — like refrigerators — rapidly evaporate condensate so no more spills would occur while driving. The latter, of course, would only hold true in environments that were not humid. The Wave Add-On Battery (1,008Wh Li-ion NCM) increased the weight by an additional 17.4 lbs and provided 3-8 hours of independent power, whereas Breeze’s added 12 lbs (840Wh Li-ion NMC) for 3-5 hours of runtime. The EcoFlow Wave 2 was smaller and weighed 32 lbs, making it 6.6 lbs lighter than its predecessor. Its 17.2-pound Wave 2 Add-On Battery kept the identical weight of its older sibling (17.4 lbs) despite a slightly larger 1,159Wh Li-ion NCM capacity. It also now includes USB-A and USB-C output ports for charging electronics like tablets and phones. Further, its cooling power increased from 4,000 to 5,100 BTU/hour -- and adds a 6,100 BTU heat pump capability! The company somehow managed to add features and improved performance into a more compact package than its original. Other improvements were made that I will mention later. COOLING TESTS My tests of the EF Wave in sunny 110F-degree weather at a partially exposed campsite found adequate, comfortable relief for my family of five inside the Core Instant Cabin 9-person tent last year. My Casio Pro Trek PRW2500T solar watch registered 78F at the center of the tent with the Wave set to 68F and an additional fan helping to circulate the air. Better insulation could certainly have helped more, but a 32F difference from the outside was very welcome nonetheless! I found my children sitting right next to the AC, enjoying their watermelon, and... chilling. The temperature range could be set to between 60.8F - 86F (16C - 30C). With temperature dialed to 72F degrees, Eco Mode turned on, and Timer set to shut off by midnight, the 1,008Wh EF Wave Add-On Battery lasted us two nights with about 10% capacity remaining. Eco Mode periodically switched between AC and Fan to extend runtime to approximately 8 hours and can only be activated through the app. Otherwise, it could only last 3 hours in AC-only mode in 78F ambient temperature, EcoFlow noted. There were Low, Medium, and High settings for Eco Mode, with the latter providing the most battery saving. The Wave 2 was tested in a 93F ambient temperature during Memorial Day weekend 2023. It was set to cool to 68F when my trusty Casio watch measured 70F at the center of the same Core tent. I was pleasantly surprised how quickly it chilled: it only took 11 minutes to hit 70F! I did not test its battery runtime to empty but found it performing similar to the original Wave when set to Eco Mode: the 1,159Wh Add-on Battery was at about 50% in 3.5 hours. CONDENSATION AND HUMIDITY Hardly any condensate could be observed during the test period of the original Wave. However, the same could not be said about the Wave 2: just by moving the unit around at a slight tilt produced large drops of water dripping from either the rear drain hole or the front. The Wave 1 did not have this issue as it included a rubber stopper to keep the drain hole plugged until ready for manual draining. I am curious to know why EF did not include such stopper for the new model as that was a nice feature to have with the original: the ability to move the unit around without any spills until the collection pan was manually drained by either tilting the Wave or by connecting the included hose. Regardless, the Wave 2 had a configuration option in the EcoFlow app: "Drain-Free" and "External Drainage", the latter of which would require the hose to be attached. Essentially, the Wave 2 had to stay as flat as possible to prevent water from leaking. EcoFlow's website cautioned that high humidity environments (70%+) may find excess water building up, requiring it to be emptied through the rear drain hole. In lower-humidity areas like the Southern California summers, no such maintenance was required with the Wave 1 as it sprayed excess water onto "the internal [hot] condenser to evaporate". The Wave 2, it appeared, did not work as well in that regard. DUCTS The included ducts allowed both Wave models to be operated from either inside the living space or outside. Obviously, if it was left running outside the tent, there would be a risk of getting it wet or dusty -- or stolen if not properly secured. We were at one point able to split the Wave's output duct into two last year to cool down two tents. I did not test this with the newer version. One important thing to note is that because the Wave 2 is smaller, its heat exhaust duct now angled 45 degrees up and back (original pointed straight back). You may need to account for the larger vertical space requirement of the duct wherever you plan on storing the Wave 2. HEATING TESTS I unfortunately did not sufficiently test the heat pump functionality of the Wave 2 to provide an accurate opinion of its performance. California was already warm/hot and I did not feel like sitting around heating up a small room to unbearable temperatures. However, for the times I did run the heater, I found the output sufficient but slow to warm up a larger area as compared to dedicated heaters. It did not work as quickly or hot as the propane-based Mr. Heater Buddy that I loved for last year's Yosemite National Park camping on ice. This was to be expected, however, as heat pumps merely suck in the ambient air, pressurizes it to raise its temperature a bit, and then exchange it with the room's cool air over time. This method uses less battery power/energy but also requires a little more patience for the area to warm up. They do not work well in climates where the temperature would typically drop below freezing. The Wave 2's heating mode, based on a few, brief power consumption measurements, was estimated to last shorter than its air conditioner setting, but without extensive tests, I cannot confirm with certainty at this time. Neither the Zero Breeze nor the original Wave had a heating functionality. POWER CONSUMPTION AND OPERATING MODES To check power consumption, I connected the original Wave with a Jackery Explorer 2000 Pro Power Station, the Wave 2 with a Bluetti EB70S Power Station, and tested both with and without their respective Add-On Battery. In all cases, proper ventilation with the included ducts would increase efficiency and time-to-cool (or heat) by multiple factors. Hot air should be vented out of the room when cooling, and cool air when heating. Not using the ducts would work, but at a great cost to efficiency, time, and power consumption. POWER AND RUNTIME I was happy to find both the Wave and Wave 2 compatible with the EF Delta Pro, DP Extra Battery, Delta Max, DM Extra Battery, Delta 2, and D2 Extra Battery. Why would that be significant? When used with those power stations or add-on batteries, the Waves' capacity extended far beyond what the Zero Breeze Mark 2 could offer: rapid charging by AC or DC (while continuing to cool at the same time), faster solar input, and increased battery capacity by as much as 3,600Wh with the Delta Pro or its DP Add-On Battery. The latter would allow the Wave/Wave 2 to run 3-4 times as long on a single charge... up to 32 hours in Eco or 12 hours in AC-only Mode! Also of note is that when directly connected to the EF Deltas' DC port instead of AC, power efficiency improves by about 20% since the inverter no longer adds a 7W drain. Nicely done, EcoFlow! CHARGING As I had mentioned, both Wave models could still be used while their respective Add-On Battery was simultaneously being recharged. Neither Add-On Battery could be charged without being connected to their Wave unit. EcoFlow noted on their website that only Fan Mode would work if the solar panels or car charging cable were incapable of providing sufficient power for the compressor. Both solar and car inputs, according to the manual, were capped at 200W and short of the approximately 330W required by both Waves, and far short of the power required by the Add-On Battery (600W for Wave or 700W for Wave 2). ECOFLOW WAVE (ORIGINAL) Jackery Explorer 2000 Pro appeared to directly charge the battery at 676W while the powered-on Wave continued to draw from its Add-On Battery. The standalone Wave drew 375W without its Add-On Battery attached. Similarly, when the Wave was turned off while the Add-On Battery was attached, the Jackery still registered a 675W output. What did all that mean? The Add-On Battery required at least 600W to charge whether the air conditioner was on or off. As such, the power station must be capable of providing at least that level of output, and if it did not, the Add-On Battery must be disconnected from the Wave in order to continue operating the air conditioner as a standalone unit at 375W. I did not test how much power was drawn in Fan mode. "Eco" Mode oddly could only be activated with the company's smartphone app, but thankfully, Wave 2 now had a dedicated setting on the physical control panel. ECOFLOW WAVE 2 OPERATING MODES - COOLING (Blue Light Bar) When Cooling was set to 68F (in "Normal Mode") with the Add-On Battery connected, Bluetti registered a draw of 250W-320W and stayed around 250W once the set temperature was reached. It only sipped 23W when idle. "Max Mode" set Cooling to 60F, Fan to High, and easily maintained the set temperature. "Eco (Leaf) Mode" drew only 180W-200W, took longer to cool the room, but maintained set temperature within +/-4F. "Sleep Mode" changed Cooling to 79F, considerably lowered the noise (44 dB according to EF), and operated much like "Eco". Without the Add-On Battery and Cooling still set to 68F, the Bluetti power station registered 220W-250W in "Normal Mode", 260W in "Max", and 160W-170W in "Eco" or "Sleep". It thus appeared, without further extensive testing, that the unit operated more efficiently without the Add-On Battery attached. Running solely off a full Add-On Battery, 5 hours were shown on the Wave 2 screen as available when Cooling in "Max", and 8.3 hours in "Eco". I did not time those estimates. - HEATING (Orange Light Bar) In "Normal Mode" with temperature set to 82F with the Add-On Battery connected, 245W-430W (mostly hovering at 400W when active) was drawn, and took 12 minutes to reach the desired warmth from 73F. The unit idled at around 20W. "Max" changed the temperature to 86F and Fan to High. "Sleep" and "Eco" dropped the set temp to 68F. Take into consideration that when Heating, the ducts move cold/hot air the opposite way: heat now came from the top-front and cold was vented out from the top-back. Off a full Add-On Battery, the Wave 2 showed 4.2 hours available for Heating in "Max". I did not time the estimate. - FAN (White Light Bar) The "Normal", "Max", "Sleep", and "Eco" Modes no longer were available in this setting. Instead, the right-most button on the control panel provided for just Low, Medium, and High fan speeds. "Low" used 23W, "Medium" took 26W, and "High" drew 31W. A full Add-On Battery estimated 86 hours of runtime on "High", 99+ hours on both "Medium" and "Low". COST AND APP CONTROL Price wise without their respective add-on battery, the Wave 2 commanded a $300 higher premium than the Zero Breeze Mark 2, and the Wave was $100 less than its newer model. But, considering the additional features available with the EcoFlow units -- and their ability to interface with the company's other products -- made the Waves more appealing to us. EcoFlow's smartphone app (available for both Apple iOS and Android) was the same one used with the Delta power stations. It communicated with the Waves via Bluetooth or WiFi and provided a visual representation of the battery capacity, various features and configurations, and firmware updates. OTHER OBSERVATIONS Peculiarly, air was thrown out of the Wave 2's top-front vents at a 45-degree angle towards the left side when looking at its front. The original Wave blew air out straight ahead. I looked behind the fins and found the reason: the left third had no vents. I am not sure what the thinking behind that design was, but it should be noted that without the included duct to force air to go straight out, the unit may have to be angled in a specific way in a permanent installation, such as an RV or van, for air to directly reach a desired area. I was happy to see that the temperature sensor issue from the original Wave, one of my biggest gripes at the time, was no longer as big of a problem with the new model. EF moved the ambient sensor away from the output areas? The Wave 2 also maintained the Fahrenheit unit after powering off -- the original always defaulted back to Celsius until a later firmware update. EcoFlow took a misstep with the original Wave when it had no air filter available to protect its components. They shipped a pair of thin plastic ones ($7) to be taped onto the unit's exterior chassis on the front and back. I was happy to see that the Wave 2 remediated this with removable covers for a cleaner, professional look. That also made it easier to clean them after trips. FINAL THOUGHTS Taking all features, factors, and cost into consideration between the Zero Breeze Mark 2, EcoFlow Wave, and Wave 2, the Waves had been much more capable in cooling performance, expandability, and modern feature sets. However, if space and weight were a concern for you and the space to be cooled was small, then the Zero Breeze might be a better choice. Personally, because we already have EcoFlow Delta, Goal Zero Yeti X, and Jackery Explorer power stations and solar panels, our choice clearly had been the Wave models because they could cool much faster, accommodate a larger space, and last longer with the power stations. The Zero Breeze could not be used while charging without the purchase of an additional battery. Thus, with a 2nd set of batteries, the Zero Breeze would end up costing more, only save 15 lbs over the Wave and 8.5 lbs over Wave 2, but provide 672Wh or 521Wh more capacity over the Wave or Wave 2's Add-On Battery, respectively. I was very happy to see EcoFlow address several issues of its original Wave appliance with the Wave 2. It cooled faster, was quieter, added a heat pump; became smaller, lighter, and much "cooler" looking (pardon the pun); simplified its controls, and improved on its visual appeal. Our recommendation originally went to the EcoFlow Wave for larger spaces and those who already had EcoFlow Delta power stations, and with the improvements the company made to the new model, our personal choice became the Wave 2.
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Reviewed in the United States on June 3, 2023 by YuenX YuenX
I was super excited upon receiving this beautiful unit. I plugged it into the AC outlet and the unit did not cool despite leaving it on overnight. I tried using DC power with my Jackery, the compressor kicked on and remained on for 30 mins then the unit is back to an expensive normal household fan with zero cool air output. Another issue was the thermostat was approximately 10 degree off. Thinking that I might have received a defective item, I contacted seller for an exchange as I need it for my upcoming trip but had changed my mind after the unit has no power at all on second day. EcoFlow called me yesterday for a survey, I told them what happened. I was told to install their app to update the firmware. 1. The unit is new, if there is a new firmware, it should be updated prior to sending it out. 2. I don’t install any third-party app on my personal device for any reason much less for basic functions of cooling a small room (which I don’t believe that was the issue). I wanted to give it one last chance before returning it but the unit is now refused to power on and yes I have checked and reset the reset button on the plug but it behaved as if it has no power at all. I requested to return the item via Amazon, they told be to wait for the seller to provide shipping label which takes up to 2 days. I don’t have time deal with junks, so I will not be purchasing from this company again.
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Reviewed in the United States on June 1, 2023 by Crystal N
I've had this unit hooked up in my 17' trailer for most of a year and with a curtain separating the exterior door /front 5 interior feet the ac did satisfactory as long as it was under 90. There was an annoying glitch where I'd have to tell the unit to choose external drain every time I turned it on or else it would back up with water and give me a warning, then a firmware update corrected, cool, that seemed to fix that issue Now the biggie.. The heat pump seems to be inoperable (30 out) The air outlet temp is 52.2 and it won't blow warmer no matter the fan speed (this does affect outlet air temp, I've found out) Now, I understand that there is a certain air temp that the heat pumps become less effective but 30? I've had to resort to bringing a space heater back into the trailer I have cleaned screens very often and the screen that the exhaust duct presses up against is free of lint I have not been able to contact ecoflo thru Amazon so I hope this gets their attention. Other items to note A lot of cold air escapes the shroud on top of the unit where the ducting attaches. These clip on shrouds need gaskets and insulation. I have wrapped a Terry cloth towel around the duct connections because this air leakage is very annoying This unit will definitely keep you entertained with all the gurgling and dripping noises, that's for sure, even a strange squeal now and again
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Reviewed in the United States on October 29, 2023 by Amazon Customer