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ecoflow|SKU:wave3-var-52181-4cde24

EcoFlow WAVE 3 Portable Air Conditioner — 6100 BTU Cooling, 8-Hour Battery Runtime

Climate Control That Doesn't Need the Grid

15°F drop in 15 min — Fast cooling for hot cabins
8 hours battery runtime — LFP cells rated for 10 years
Solar and alternator charging — Charge while driving off-grid
Heat and cool one unit — Automatic heating below setpoint
44 dB sleep mode — Quieter than a conversation
  • Free Shipping -- Ships free to your door, no minimum
  • Free System Design Consultation -- Engineers size your setup for real consumption

Price range: $876.95 through $2,544.95

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EcoFlow WAVE 3 Portable Air Conditioner
EcoFlow WAVE 3 Portable Air Conditioner
$876.95 – $2,544.95Price range: $876.95 through $2,544.95

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In the box

  • EcoFlow WAVE 3 unit
  • Insulated exhaust duct
  • User documentation
EcoFlow WAVE 3 Portable Air Conditioner
EcoFlow WAVE 3 Portable Air Conditioner — 6100 BTU Cooling, 8-Hour Battery Runtime
$876.95 – $2,544.95Price range: $876.95 through $2,544.95

Climate Control That Doesn't Need the Grid

The EcoFlow WAVE 3 delivers 6100 BTU of cooling and 6800 BTU of heating to spaces up to 183 sq ft — dropping temperatures by 15°F in 15 minutes. Its built-in 1024Wh LFP battery provides up to 8 hours of grid-independent operation in Eco Mode, so you stay comfortable off-grid without running a generator. No installation required: carry it to your RV, cabin, or basecamp, connect the insulated exhaust duct, and go. The solar-rated unit charges via AC, solar panels, car, or EcoFlow's Alternator Charger, giving you real flexibility in the field.

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6100 BTU Cooling
6800 BTU Heating
8-Hour Battery Runtime
Zero Installation Needed
6100 BTU
Cooling Capacity
183 sq ft
Max Coverage Area
44 dB
Sleep Mode Noise Level
Grid-Independent Climate Control Without the Generator

Grid-Independent Climate Control Without the Generator

Most portable ACs tether you to a wall outlet or a gas generator — the same dependency you are trying to escape. The WAVE 3 breaks that chain. Its 1024Wh LFP battery delivers up to 8 hours of cooling or heating on a single charge, and recharges via solar panel or alternator while you drive. At Off Grid Vault, we vet every configuration for real off-grid performance — no components that fall apart when you are thirty miles from the nearest outlet. This unit uses R290 refrigerant and runs at 44 dB in sleep mode, so it works as hard as your environment demands without the noise, fumes, or fuel runs of a gas generator.

Fast Temperature Recovery for Any Shelter

Fast Temperature Recovery for Any Shelter

With 6100 BTU cooling and 6800 BTU heating, the WAVE 3 drops temperatures 15°F in 15 minutes and raises them 17°F in the same window. That matters when your cabin has been baking all afternoon or your RV sat through a cold night. It covers spaces up to 183 sq ft — enough for most campers, truck beds, and small cabins. The automatic heating function switches modes when temperatures drop, so you set your target and the unit handles the rest. No manual switching, no waking up cold.

LFP Battery Chemistry Built for Years of Off-Grid Use

LFP Battery Chemistry Built for Years of Off-Grid Use

The 1024Wh LFP add-on battery is the reason this unit outlasts portable ACs running on NMC or lead-acid. LFP cells deliver a lifespan of up to 10 years with daily use, and they hold capacity far better across charge cycles. The battery recharges in as fast as 75 minutes using combined AC and solar input, or passively while you drive with the EcoFlow Alternator Charger. One hour behind the wheel can mean a full night of climate control. The EcoFlow Oasis app gives you real-time battery status, water drain alerts, and remote mode changes — so you check on your unit from the house while it cools the dog in the barn.

Is the WAVE 3 Right for Your Setup?

Verify these three conditions before adding to cart.

  • Your space is 183 sq ft or less
  • You have access to AC power, solar panels, or 12V vehicle charging
  • You can route an exhaust duct to an exterior window, vent, or opening

Where the WAVE 3 Performs

Designed for situations where wall-mounted units aren't an option.

RV & Camper Van Cooling
Off-Grid Cabin Climate Control
Basecamp & Tent Comfort
Pet-Safe Temperature Monitoring

Full specifications

At a glance

Dimensions
20.4×11.7×13.2 in
Power
690W/640W
Full specifications16 data points across 4 categories

Dimensions

Net WeightApproximately 33.7 lb
Dimensions20.4×11.7×13.2 in

Power & Performance

Cooling Capacity6100BTU
Heating Capacity6800BTU
Temperature Setting Range60.8-86℉
Air Volume330m³/h
Rated Cooling Power (AC/DC)690W/640W
Rated Heating Input Power (AC/DC)645W/606W
Cooling Efficiency (AC/DC)2.6/2.8
Heating Efficiency (AC/DC)3.1/3.3
AC Input100-240V~50/60 Hz, 820W Max
Built-in Battery1024Wh LFP

Materials

ConstructionSee product page

Compliance & Warranty

Refrigerant/AmountR290/0.25 lb (R290/112 g)
Battery ChemistryLFP
Battery Cell LifespanUp to 10 years in daily use

The Off Grid Vault Promise

Every product we carry is vetted for real-world performance. If it doesn't meet our standards, it doesn't make the cut.

30-Day Performance GuaranteeIf it doesn't perform as specified, we make it right — uninstalled returns accepted in original packaging within 30 days.
Free ShippingShips free to your door. No minimums, no fine print, no surprise freight charges.
Authorized Dealer SupportWarranty claims handled through us as an authorized dealer — no ticket queues, no runaround.
★★★★★
“Set this up in my 14-foot camper in Joshua Tree in July. 108 degrees outside, dropped the interior to 72 in under 20 minutes. Ran all night on the battery in Eco Mode with the 220W solar panel topping it off during the day. I have tried window units with inverters and a Honda generator — this is a completely different experience. No fumes, no noise, no fuel runs into town. The app drain alert saved me from a mess, too. Off Grid Vault shipped it fast and answered my questions about pairing it with my DELTA 2 before I pulled the trigger.”
F
First L.Flagstaff, AZ

WAVE 3 Portable Air Conditioner

The EcoFlow WAVE 3 Portable Air Conditioner is a versatile climate control solution designed for outdoor enthusiasts, RV travelers, and off-grid living. With its dual functionality, it offers both cooling and heating capabilities, ensuring comfort in various environments.

Equipped with a 6100 BTU cooling capacity and a 6800 BTU heating capacity, the WAVE 3 can rapidly adjust temperatures, making it suitable for spaces up to 183 square feet. Its efficient performance allows it to lower the temperature by up to 15°F in just 15 minutes, providing quick relief in hot conditions.

The unit features a built-in 1024Wh LFP battery, enabling up to 8 hours of continuous operation in Eco Mode. This battery supports multiple charging options, including AC power, solar panels, car charging, and EcoFlow’s Alternator Charger, offering flexibility for various power sources.


Designed with portability in mind, the WAVE 3 requires no installation and can be easily transported to different locations. Its insulated exhaust duct adapts to various outdoor setups, facilitating hassle-free use in tents, RVs, or cabins. Smart control is a key feature of the WAVE 3, with the EcoFlow app providing one-click simple control. Users can manage temperature settings, monitor battery life, and switch between modes remotely via Wi-Fi or Bluetooth, enhancing convenience during use.

The unit also includes a dehumidification mode to keep enclosed spaces dry, preventing moisture buildup. Additionally, the Pet Care mode automatically activates cooling if the ambient temperature exceeds 77°F, ensuring a comfortable environment for pets.

EcoFlow emphasizes sustainability with the use of R290 refrigerant in the WAVE 3, offering improved efficiency and reduced CO2 emissions compared to traditional refrigerants. This eco-friendly approach aligns with modern environmental standards.

In summary, the EcoFlow WAVE 3 Portable Air Conditioner combines powerful performance, portability, and smart features to deliver a comprehensive climate control solution for various off-grid and outdoor applications. Its rapid cooling and heating capabilities, extended battery life, and intelligent controls make it a reliable companion for maintaining comfort in diverse settings.

EcoFlow WAVE 3

EcoFlow WAVE 3 Specs

  • Net Weight: Approximately 33.7 lb
  • Dimensions: 20.4×11.7×13.2 in
  • Cooling Capacity: 6100BTU
  • Heating Capacity: 6800BTU
  • Temperature Setting Range: 60.8-86℉
  • Refrigerant/Amount: R290/0.25 lb (R290/112 g)
  • Air Volume: 330m³/h
  • Rated Cooling Power (AC/DC): 690W/640W
  • Rated Heating Input Power (AC/DC): 645W/606W
  • Cooling Efficiency (AC/DC): 2.6/2.8
  • Heating Efficiency (AC/DC): 3.1/3.3
  • AC Input: 100-240V~50/60 Hz, 820W Max
  • Add-on Battery Input: 700W Max
  • Operating Temperature: 41-122℉ (5-50℃)
  • IP Rating: IPX4
  • Noise Level: 44-58 dB
  • Remote Control: App (Wi-Fi(2.4G, 5G), Bluetooth)
  • Included: WAVE 3, Insulated Exhaust Duct, Exhaust Duct Adapter Covers, Drain Pipe, Winder, Duct Size Template


EcoFlow WAVE 3 Features

  • Fast charging in just 75 min: By combining AC charging and solar charging, the Add-On Battery can be fully charged in as fast as 75 minutes. With the EcoFlow Alternator Charger, you can charge while driving—1 hour of driving, and stay comfortable all night.
  • Sleep Mode: Operates at just 44 dB, about the same as a quiet conversation, ensuring peaceful rest.
  • 8 Hours of Wireless Comfort: The add-on battery offers up to 8 hours of uninterrupted use —perfect for a full night of restful sleep. High-quality LFP cells ensure a lifespan of up to 10 years in daily use.
  • Automatic Function: Automatically switches to heating when temperatures drop, keeping you cozy even on chilly mountain camping trips, ensuring a good night’s sleep.
  • Pet Care: Set a temperature range of 77°F to 113°F via the app to protect your pet from heatstroke indoors. Once the set temperature is exceeded, WAVE 3 automatically starts cooling and sends you an app notification.
  • Keep Cool While Protecting the Planet: EcoFlow’s use of R290 refrigerant reduces pollution compared to traditional refrigerants and protect the planet. Over 10 years, it cuts CO2 emissions by up to 4500 lb, the equivalent of saving 130 trees from being cut down.
  • Dehumidification Function: Adjusts humidity to your desired level, so you can stay comfortable, even during rainy seasons.
  • Powered by EcoFlow Oasis: Easily manage everything from real-time battery status to water drain notifications, mode changes, and scheduled shutdowns—all from your phone, no matter where you are.
  • Water Drain Alert: When the water tank nears full, the app sends a reminder to drain it, ensuring optimal performance.
  • 6100 BTU cooling power & 6800 BTU heating power: Drop 15℉ in just 15 minutes with 6100 BTU power, setting an ideal environment for any scenario. Quickly warm up with 6800 BTU heating, raising the temperature by 17°F in just 15 minutes, perfect for staying cozy during chilly outdoor activities like autumn camping.


Your Satisfaction with Native Watercraft is Guaranteed:

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Additional information

Options

Wave 3 + Add-on Battery, Wave 3 + Add-on Battery + 220W Solar Panel, Wave 3 + Add-On Battery + 800W Alternator Charger, Wave 3 + DELTA 2, Wave 3 + DELTA 2 MAX, Wave 3 + DELTA 3 Plus, Wave 3 + DELTA Pro, Wave 3 Only

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Frequently Asked Questions

A window AC costs less upfront but requires grid power. If you are off-grid or facing outages, a window unit is dead weight without a generator. The WAVE 3 runs on its own LFP battery and recharges via solar or your vehicle alternator. Factor in fuel costs for a generator over three camping seasons, and the WAVE 3 closes that gap fast. It also heats — replacing a separate electric heater. One unit, two functions, zero grid dependency.
Off Grid Vault is an authorized dealer for EcoFlow and every brand we carry. That matters because warranty claims go through us directly — not through a ticket queue with a marketplace seller. If something fails under the manufacturer warranty, you contact us and we handle it. No runaround, no proving you bought from an authorized source. That is the difference between buying from a specialist and buying a box from a generic listing.
The WAVE 3 is rated for spaces up to 183 sq ft. That covers most truck campers, slide-in truck beds, rooftop tents, and small cabins. For a 150 sq ft cabin with decent insulation, 6100 BTU will cycle comfortably. For poorly insulated spaces or extreme heat, you may see shorter runtimes on battery. If you are unsure about your specific setup, request our free system design consultation — tell us your square footage, insulation quality, and climate, and we will give you a straight answer on whether this unit fits.
EcoFlow rates the 1024Wh LFP add-on battery for up to 8 hours in Eco Mode. Real-world runtime depends on your set temperature, ambient conditions, and insulation. In a well-insulated 120 sq ft camper at 80°F outside, set to 72°F, expect 5 to 7 hours on battery alone. The battery recharges in 75 minutes with combined AC and solar input, or while driving with the Alternator Charger. For multi-day off-grid trips, pair it with a solar panel or an EcoFlow DELTA unit for continuous power.
LFP chemistry is the same reason off-grid homeowners choose it for whole-house battery banks: longer cycle life, better thermal stability, and no thermal runaway risk. The WAVE 3 add-on battery uses LFP cells rated for up to 10 years of daily use while maintaining capacity. Standard lithium-ion (NMC) degrades faster under frequent charge cycles and is more sensitive to high temperatures — exactly the conditions a portable AC creates. LFP holds up. That is not marketing, that is chemistry.
Warranty terms are set by EcoFlow as the manufacturer. Off Grid Vault handles warranty claims directly as an authorized dealer — you contact us, not a third-party support queue. For specific warranty duration on the WAVE 3 unit and the LFP add-on battery, refer to the manufacturer documentation included with your order. If you have questions before purchasing, reach out and we will provide the exact warranty terms for your configuration.
SKU: wave3 Category: Brand:

The Off Grid Vault Promise

Every product we carry is vetted for real-world performance. If it doesn't meet our standards, it doesn't make the cut.

30-Day Performance Guarantee If it doesn't perform as specified, we make it right — uninstalled returns accepted in original packaging within 30 days.
Free Shipping Ships free to your door. No minimums, no fine print, no surprise freight charges.
Authorized Dealer Support Warranty claims handled through us as an authorized dealer — no ticket queues, no runaround.

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About ecoflow RV/Portable HVAC

ecoflow is a trusted manufacturer of premium rv/portable hvac. OffGridVault is an authorized dealer offering the full ecoflow lineup with free delivery, price match guarantee, and expert support.

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