FAQ About All Zero Breeze Products

Discover answers to all your queries about the Zero Breeze Mark 2 in this comprehensive FAQ section.

Product Introduction

The ZERO BREEZE Mark 2 air conditioner is a cutting-edge, portable solution for outdoor cooling needs. Designed to be a lightweight and energy-efficient alternative to bulky, power-hungry air conditioners, the Mark 2 is the first truly portable, battery-powered air conditioner on the market. With a cooling power of 2300BTU, the Mark 2 can run for 3 to 5 hours on its battery and uses only one-fifth the power of traditional air conditioners. No generators, water, or ice are required, making it easy to take and use anywhere, whether in a tent, RV, car, boat, small aircraft, or on outdoor adventures. Weighing just 16.5lbs, the ZERO BREEZE Mark 2 air conditioner provides convenient and eco-friendly cooling, no matter where your travels take you.

YES. The ZERO BREEZE Mark 2 air conditioner comes with a comprehensive warranty program to give you peace of mind. With a 30-day money-back guarantee, you can try the Mark 2 risk-free and return it if you are not completely satisfied. Additionally, the Mark 2 is covered by a 1-year warranty that includes free repairs, replacements, and parts replacements. With this warranty, you can be sure that your ZERO BREEZE Mark 2 air conditioner will provide reliable and efficient cooling for years to come. Extra fees may apply. Kindly get in touch with our customer support or read about it in "Refund Policy & Privacy Policy" section.

ZERO BREEZE Mark 2 is available in three different types, all of which offer the same functions and features. The main difference between the types lies in the additional battery feature, which is optional to purchase.

The Basic:

  • Does not include batteries
  • Powered by shore

The Plus:

  • Includes one battery
  • Offers up to 6 hours of cooling

The Plus Extra:

  • Includes two batteries
  • Offers up to 12 hours of cooling

Note: The actual cooling time may vary depending on several factors such as ambient temperature, humidity, and insulation. These are only reference values.

The box of your ZERO BREEZE Mark 2 order includes the following items:

- ZERO BREEZE Mark 2 Air Conditioner

- 24V DC Power Adapter for wall outlet

- Drainage pipe

- Front air outlet duct

- 2 venting hoses

- Front air outlet duct connection adapter

- Venting hose connection adapter

- IR remote controller

- 2 screws for connection adapter

- ZERO BREEZE Mark 2 user guide

----- OPTIONAL -----

1 or 2 Batteries

All of these components are included to ensure that you have everything you need to get started using your new air conditioner right away.

Explanation of Related Technical Terms

The ZERO BREEZE Mark 2 air conditioner has a BTU (British Thermal Unit) rating of 2300BTU. In terms of air conditioning, the BTU rating indicates the unit's power and cooling capacity, measuring the amount of heat removed from the air per hour. A higher BTU rating means a more powerful air conditioner.

The ZERO BREEZE Mark 2 air conditioner's power consumption depends on several factors including working mode, airflow, humidity, and the temperature of the environment. With an Energy Efficiency Ratio (EER) rating of 9.58, the ZERO BREEZE Mark 2 AC boasts high energy efficiency, making it an efficient choice for your cooling needs.

Here's a breakdown of its power consumption in different modes:

  • Rocket or Cool Mode: 15-240W (35 hours)
  • Sleep Mode: 120-150W (57 hours)
  • Fan Mode: about 20W (42 hours)

When shopping for air conditioners, the EER rating is a crucial factor to consider as it indicates the unit's energy efficiency. A higher EER rating means the air conditioner will consume less energy and provide more cooling power. The ZERO BREEZE Mark 2 AC's EER rating of 9.58 makes it a top pick for consumers looking for an energy-efficient solution.

ZERO BREEZE Mark 2 AC uses R134A refrigerant. This means you won't need ice or water to operate it. According to our engineering data, normal operation should not require any adjustments for at least 4 years. If you encounter any issues with the air conditioner, please don't hesitate to reach out to our customer support team at info@fresh-adventure.com.

The Sound Level of Mark 2 is 52dB (A).

The ZERO BREEZE Mark 2 features a cutting-edge 24V Micro Inverter Compressor as its core component. Unlike conventional home AC compressors, ZERO BREEZE chose to use a compact, lightweight, low power consumption, and DC compressor to provide the best portable air conditioning experience. The company worked closely with professional refrigeration engineers, compressor R&D experts, and leading manufacturers to develop this innovative technology.

The 24V Micro Inverter Compressor is about the same size as a cola can, which is less than a quarter of the size and weight of traditional compressors. Although it costs 4 times more than a conventional compressor, its exceptional performance makes it well worth the investment. This is what sets the ZERO BREEZE Mark 2 apart in the portable air conditioner market.

Cooling Effect

Experience maximum comfort and efficiency with the ZERO BREEZE Mark 2, which delivers 2x more cooling power with a 2300 BTU output and 40% higher cooling efficiency compared to its predecessor, the Mark 1.

In just 10 minutes, the breeze temperature drops by a significant 30°F / 10℃, ensuring that you stay cool even in the hottest of conditions.

Note: The performance of the ZERO BREEZE Mark 2 was tested in a 96°F/36℃ laboratory environment, providing a rough idea of its capabilities.

The ZERO BREEZE Mark 2 is designed to provide powerful cooling, and the actual cooling effect can vary depending on a number of factors, including the number of people in the area, insulation, sun exposure, and more. Based on laboratory tests, the ideal cooling space for the Mark 2 is 25-40 square feet with an ambient temperature of 100°F/38°C, humidity at 50%, no direct sunlight, good insulation, and a temperature reduction of 9-22°F/5-10°C. However, Mark 2 is still effective in cooling larger spaces when used as a spot cooler. At maximum speed, it can blow cool air up to 2 meters (78.74 inches).

No. Mark 2 is a real air conditioner with compressor. No water or ice needed.

Power Supply

The charging time for a ZERO BREEZE Mark 2 battery is approximately 6 hours when using the official power adapter. Once the battery indicators stop flashing, the battery is fully charged and can provide a cooling time of 3 to 6 hours.

The battery can be charged and discharged over 500 times but it will eventually wear out.

We have US, CN, JP, AU, EU and UK standard.

We will deliver the socket according to the customer's receiving address. Customers can also note the required socket specifications when placing an order.

No, the ZERO BREEZE Mark 2 can also be powered by shore power. Additionally, it offers the option to use both shore power and its battery for up to 5 hours of cooling. The battery can be charged through various methods, such as solar, in-car charging, or with a personal battery. A full charge of the battery takes approximately 6 hours.

The ZERO BREEZE Mark 2 uses 24V technology for its compressor and drive circuit, which provides improved efficiency and longer battery run time compared to using 12V. This is achieved by reducing the current and maintaining the same cooling power. By using 24V, the Mark 2 is able to offer a more efficient and longer-lasting cooling solution for your outdoor needs.

The car mode in ZERO BREEZE Mark 2 is a feature designed to prevent draining your car battery completely while in use. The default mode automatically shuts off the air conditioner when the power supply voltage drops below 18.6V.

To enter car mode, simply press and hold the "+" and "-" button for 2 seconds. The tail indicator light will turn purple, indicating that you are now in car mode. In this mode, the air conditioner will automatically power off when the power supply voltage drops below 22.3V, preserving your car battery.

To switch back to the default mode, simply press and hold the "+" and "-" button for 2 seconds again.


The ZERO BREEZE Mark 2 uses a dual hose venting heat system to efficiently remove heat from the interior to the exterior. The air intake hose brings in outside air, which then flows over the condenser. The heat is transferred from the air to the refrigerant and finally released into the outside environment through the second hose. To maximize cooling effectiveness, it is recommended to connect the two hoses and place them slightly out of a window or outside a door. Both hoses are included in the Mark 2 package.

The ZERO BREEZE Mark 2 features a cutting-edge dual hose system that facilitates the intake of fresh outdoor air and exhaust of hot air through separate hoses. This system allows for a constant supply of fresh air inside, eliminates negative pressure in the room, and enhances cooling performance to deliver maximum cooling output.

The Mark 2 battery package includes two foam adapters. So if you ordered the battery, you can use the foam adapter to extend the hoses to the outside.

Outer diameter: 4.37in/11.1cm

Inner diameter: 3.94in/10cm

If the hose we provide isn’t long enough, you should be able to find a hose with the same diameter online.



To ensure proper drainage and avoid leakage, it is recommended to follow the following steps:

1. Place the Mark 2 AC on a level surface, slightly tilted backwards at an angle of 5-10 degrees to allow for efficient drainage of water.

2. After use, allow the unit to cool down before tilting it backwards by 30 degrees to facilitate drainage of any residual water.

It is important to note that if there is any leakage due to improper placement, it can be easily wiped away and will not affect the performance of the air conditioner.

Length: 31.5in/80cm

Outer diameter: 0.55in/1.4cm

Inner diameter: 0.47in/1.2cm

Accessories to upgrade your experience.

The Mark 2 battery can be charged using a 12V power source such as a portable power station or a vehicle battery through the 12V to 24V DC-DC converter. There are two functional connectors available, one is designed for a 12V car cigarette interface and the other is for direct wiring to your 12V battery's positive and negative electrodes.

Mark 2 can be powered by ElecHive portable power station for 10~20 hours cooling. It is also possible to connect it with any other power station that we sell.

Power Extension Dock can help Mark 2 AC connect with one or two Mark 2 batteries at once. It will help you running your a/c for 6-12 hours.

ZERO BREEZE 100W solar panel can be connected directly to the Mark 2 Battery. Adapter cable is inclued.

The Power Extension Dock can charge and discharge the Mark 2 battery at the same time, and power the Mark 2 AC with one or two Mark 2 batteries in parallel.

ZERO BREEZE Mark 2 AC can be powered by either a 24V battery or a 110-240V power supply via an adapter. To use your own 24V battery, make sure it has a capacity of at least 210W to adequately power the air conditioner, which has a maximum power consumption of 210W and a maximum current draw of 9A. You will also need to use the DIY cord with a GX16-4 connector to connect the battery to the AC unit. If you have a 110V-240V inverter power system with a power output of over 250W, you can use the adapter included with the Mark 2 AC to power the unit.

Yes, you can use your own battery to power the ZERO BREEZE Mark 2, but you need to ensure that your battery meets the power requirements of the air conditioner. Before using your battery, here are some important points to keep in mind:

1. Verify the output voltage of your battery to ensure it is compatible with Mark 2.

2. If your battery has a 24V DC output, you can use the DIY cord with a GX16-4 connector to connect it to Mark 2.

3. If your battery has a 110-220V AC output, you can use the adapter that comes with Mark 2 to connect it to the air conditioner.

4 If your battery has a different output voltage, you may need to use a dedicated converter to ensure it is compatible with Mark 2.

Please note that using your own battery to power ZERO BREEZE Mark 2 requires careful handling, and FRESH ADVENTURE online store, as well as ZERO BREEZE will not be held responsible for any damages caused by your operation.

EcoFlow, Goal Zero and Bluetti are three brand power stations that support DC power, which can charge Mark 2.

To power your air conditioner with a power station, the first thing you need to check is that your power station provides the same voltage as your air conditioner. If not, you will need a power converter. For example, if the power station output is 12V and your air conditioner input is 24V, then you need a 12V to 24V converter.

Here are the accessories required for the available models:

12V/25A cable for EF DELTA Pro

12V/25A cable for Goal Zero YETI6000X/YETI3000X/YETI1500X

12V/25A cable for BLUETTI AC200MAX

12V/25A cable for BLUETTI AC200P

Cleaning and Storage

Proper cleaning and maintenance of your ZERO BREEZE Mark 2 Air Conditioner is crucial for ensuring its optimal performance and longevity. Here's how to clean it safely and effectively:

Turn off the power and unplug the cord: To ensure your safety, always turn off the power and unplug the cord before starting the cleaning process.

Clean the filter: Remove the filter from the unit and clean it. A dirty filter can block air flow and reduce the efficiency of the AC.

Use a vacuum cleaner: We recommend using a vacuum cleaner to clean the condenser and evaporator of the Mark 2 AC unit. This will help remove any dust and debris that has accumulated, ensuring optimal cooling performance.

By following these simple steps, you can keep your ZERO BREEZE Mark 2 Air Conditioner in top condition, providing you with efficient and reliable cooling performance.

How do I store the ZERO BREEZE Mark 2 air conditioner?
Answer: Before storing the Mark 2 unit, it is recommended to clean it thoroughly to extend its lifespan. To maximize battery life, ensure the battery is charged to 80% (4 blue indicators) before storage. If storing for more than 6 months, check the battery charge every 6 months and recharge to 80% (4 blue indicators) if it falls below 20% (1 blue indicator).

ZERO BREEZE offers a convenient storage bag for the air conditioner and its accessories, which can be obtained by contacting customer service at info@fresh-adventure.com. It is important to store the air conditioner in a cool and dry place, avoiding placing it on its side, which may cause damage.


The effective control distance of the infrared remote control for the ZERO BREEZE Mark 2 air conditioner is up to 39 inches or 1 meter. For optimal results, the remote should be pointed directly at the receiver on the control panel, with no obstructions or interference from other light sources. The receiver is located in the center of the control panel. Reflecting the signal off shiny surfaces can also help maintain its effectiveness.

Unfortunately, the ZERO BREEZE Mark 2 air conditioner does not come equipped with a thermostat. The cooling capacity of Mark 2 is 2300BTU/h, which is different from traditional home or car air conditioners.

Due to the many factors that can impact the cooling effect in a given space, such as the number of people inside, insulation conditions, and sun exposure, it is currently not possible to achieve precise temperature control in a specific area.

However, the Mark 2 air conditioner does have a temperature display at the air outlet, which displays the blowing temperature. You can adjust the temperature of the air being blown by selecting different working modes and air volumes.

The E03 error code on your ZERO BREEZE Mark 2 air conditioner indicates low voltage protection. This means that the unit has shut off, the buzzer alarm is sounding, and the tail LED light is flashing due to a depleted battery. To fix this issue, you need to charge the battery to meet the required input voltage for the Mark 2 AC. In normal mode, the output voltage should be above 18.6V, and in car mode, it should be above 22.3V.

Please contact Fresh Adventure's customer service department at info@fresh-adventure.com and provide as much information as possible, including pictures and videos, your full name, and if possible, your order number. Our team will do their best to assist you and if the issue is covered by the warranty, we will promptly provide a replacement part, unit, or battery as needed.

Customer Care

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