EcoFlow Wave 3 Review Portable Heat Pump Excels in Small Space Comfort

The EcoFlow Wave 3 is the latest iteration of a portable heat pump that combines air conditioning, heating, and dehumidifying into a single compact device. Building on the success of its predecessors, the Wave 3 offers enhanced power and efficiency, making it suitable for small spaces up to 17 square meters (about 180 square feet). This makes it ideal for use in vans, tiny homes, boats, roof-top tents, and other compact living or working environments where occasional temperature control is needed.

One of the standout features of the Wave 3 is its ability to recharge via multiple methods, including solar power through a 400W input, which enhances its portability and off-grid usability. The unit also includes Wi-Fi and Bluetooth connectivity, allowing users to monitor and control the device remotely through the EcoFlow app. This smart control capability enables maintaining a set temperature range automatically and even operating as a dedicated dehumidifier to prevent mold and moisture buildup in enclosed spaces.

In real-world testing, the Wave 3 proved effective as a heater in a tiny home environment, maintaining comfortable indoor temperatures despite chilly outdoor conditions. It also performed well as an air conditioner in shaded conditions within a van, although it struggled to cool effectively when the vehicle was exposed to direct sunlight due to the heat load from glass and metal surfaces. Noise levels vary by mode, with the quietest Sleep mode operating at around 45 decibels, suitable for nighttime use, while higher power modes can reach up to 60 decibels.

Despite its improvements, the Wave 3 remains a niche product best suited for temperate climates and well-insulated small spaces. It cannot replace high-capacity rooftop air conditioners for extreme heat scenarios but offers a versatile, energy-efficient solution for those needing portable climate control with the added benefit of solar charging and smart connectivity.

Key Benefits of the EcoFlow Wave 3

• All-in-one heating, cooling, and dehumidifying functionality
• Solar recharge capability enhances off-grid use
• Smart app control with Wi-Fi and Bluetooth connectivity
• Quiet operation in Sleep mode suitable for nighttime comfort
• Compact and portable design for versatile use cases

Considerations and Limitations

The Wave 3’s cooling and heating capacities are limited compared to larger, fixed systems, making it unsuitable for large or poorly insulated spaces. Its performance diminishes significantly in direct sunlight or extreme temperatures. Additionally, noise levels can be a factor at higher power settings, and the unit requires space for intake and exhaust hoses and water drainage. Pet owners should exercise caution using the device’s Pet Mode, as it cannot guarantee safety in hot conditions.

Pricing is currently discounted but expected to rise, with the battery bundle recommended for full portability and solar charging benefits. Despite these constraints, the Wave 3 remains a compelling option for those seeking a flexible, energy-efficient climate control solution in small, mobile, or off-grid environments.