By
Carolina Evans
Carolina Evans
Research Writer
Holds a Master’s degree in Engineering and is keen on her own home’s climate. Sometimes we think that Carolina owns every single product she writes about – that’s ho read more
reviewed
Reviewed By
Richard Powell
Richard Powell
Expert Consultant
For 8 years, Richard had been working as an HVAC specialist and AC unit installer since his student years. Now, he’s our main consultant on every technical aspect that may read more
Last updated: April 12, 2023

Zero Breeze Mark 2 Review: Value and Functionality (Spring 2023)

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By
Carolina Evans
Carolina Evans
Research Writer
Holds a Master’s degree in Engineering and is keen on her own home’s climate. Sometimes we think that Carolina owns every single product she writes about – that’s ho read more
reviewed
Reviewed By
Richard Powell
Richard Powell
Expert Consultant
For 8 years, Richard had been working as an HVAC specialist and AC unit installer since his student years. Now, he’s our main consultant on every technical aspect that may read more
Last updated: April 12, 2023
HVACLifehack.com is reader-supported. We may earn a commission through products purchased using links on this page. Learn more about our process here
Ideal for
  • Anyone looking for a cordless AC
  • Anyone in need of a small AC system for their boat or RV.
  • Anyone looking for a portable AC
  • Anyone in need of an energy-efficient AC
Main features
  • Battery-powered
  • Solar power attachment
  • Dual hose
  • 2300 BTU cooling power
Editor's Rating
?
HVACLifehack.com is a ranking system developed by our team of experts. It aggregates all the scores given to a product in various aspects including the individual product’s features evaluation given by each expert independently, its customers’ feedback rank, and sales rank.
9.7
out of 10
  • Performance
    9.8
  • Noise level
    9.5
  • Ease of use
    9.7
  • Durability
    9.6
Users’ Rating
4.3
out of 5
117 Users’ Rating
rating rating rating rating rating
rating
rating rating rating rating rating
4.3
out of
5
117 Users’ Rating
  • 5 stars
    38%
  • 4 stars
    50%
  • 3 stars
    10%
  • 2 stars
    1%
  • 1 stars
    0%
Add your rating:

The Zero Breeze Mark 2 is the epitome of efficiency and portability. It may be your best money spent, especially if you are outdoorsy or constantly on the road. It is one of the few air conditioners in the market that offer maximum convenience. It creates a chilling experience with its mini compressor, eliminating the need to add water or ice. The AC can provide a cooling experience anywhere you take it, including places without an electrical outlet. This Zero Breeze Mark 2 review closely examines the famous AC’s features, pros and cons. Read on to see if its overall performance and specifications live up to the hype.

Specifications

Cooling power
2300 BTU
Wind speed levels
4
Weight
16.5 lbs
Dimensions
20 x 10 x 11 inches
Charging time
6 hours
Noise level
52dB(A)
Certifications
IPX4

Overall Performance

Battery-powered air conditioners have increased in the market thanks to technological advancements that allow manufacturers to reduce the size of the famous cordless systems. The Zero Breeze Mark 2 is one of the most solid battery-powered air conditioners in the AC market. Besides coming from a renowned brand, Zero Breeze Mark 2 has made waves because of its unique construction and cordless capability.

The AC is especially popular among outdoorsy people. Backpackers, campers, and boat and RV owners all swear by the convenience it offers. It can provide cordless cooling wherever you go. Its microprocessor can bring cold air as far as 40ft square. Moreover, with a cooling power of 2300 BTU, the Zero Breeze Mark 2 will significantly combat the heat in your space. The Zero Breeze Mark 2 is a top performer compared to other portable air conditioners. It may not have smart capabilities like an AI assistant, but it checks all the boxes for a high-value portable AC.

Design

Zero Breeze Mark 2 Review: Value and Functionality (Spring 2023)

Zero Breeze is one of many companies that have made a cordless AC unit, but theirs is one of the best-looking units on the market. The Zero Breeze Mark 2 has a portable, modern, and practical design. It features an ergonomic handle for easy and comfortable handling when moving it from one place to another. Its controls are also super-easy to access and use. The power button and other buttons for controlling speed and modes are all set on the AC’s handle. The best thing is that with one button, you can power the system, lock the battery in place, and enable the assembly and disassembly of the hose.

One great aspect of Zero Breeze Mark 2’s design is that it is ultra-lightweight. It is lighter than the most portable air conditioner, even though the battery adds more weight to it. Moreover, at 20 inches long, 11 inches high and 10 inches wide, the Zero Breeze Mark 2 is the smallest and easiest AC to pack or carry. As if that’s enough, it features IPX4 protection and thus can withstand a few splashes.

Battery Lifespan

The first thing that should cross your mind when choosing a portable device is its battery life. Any portable device with a battery life that doesn’t match your needs is a waste of money. Since most portable air conditioners are not cheap, you would want to avoid making such an expensive mistake.

Zero Breeze claims that the Mark II can give you up to 5 hours of battery life if you are running it at lower settings. You will enjoy a whopping 3 hours of runtime at full power, which is quite impressive for an AC this size.

The Mark II comes with a removable 24-volt Lithium-ion polymer battery which is about two times larger than the one in the previous model. Although it clicks into the AC’s base perfectly, you must tether it with a short cable. If your pockets run deep, you can get extra batteries for the AC and enjoy longer runtimes.

Charging Time

Zero Breeze Mark 2 Review: Value and Functionality (Spring 2023)

As much as the Zero Breeze Mark 2’s selling point is its long 3-4 hours battery life, it needs frequent recharging like every other battery-powered device. An important thing to note is that you cannot charge Mark 2’s battery when using it. You have to disconnect it when the power runs low. On the bright side, you can power the AC with an adapter on a wall outlet for continuous cooling. Charging the AC with its original adapter will take you 5 to 6 hours. You can also charge it in the car.

Cost

The Zero Breeze Mark 2 comes in four configurations with different price tags. The cheapest configuration costs $1000 and includes everything except the battery. The entire kit that includes a battery is $1300; with an extra $300, you can get a whole kit with two batteries. The extra batteries will extend your battery life, and you can enjoy between 6 to 10 hours of runtime.

Buying a battery separately is not wise, as one is almost as costly as the unit itself, coming in at $649. Besides the batteries, you can purchase other accessories like a 12v to 24v inverter and an AC/DC adapter online.

You can only buy the Zero Breeze Mark 2’s on the company’s official website.

Power Consumption

As mentioned earlier, the Zero Breeze Mark 2 charges for about 5 to 6 hours and can last between 3 and 5 hours, depending on the mode it is operating on. On the highest mode, the AC consumes more power and can only run for a maximum of 3 hours. The best thing about the AC is that besides the option of owning multiple batteries for longer runtime, you can charge it with solar energy. You only need to buy the extra connection wire and you can have the AC fully charged with solar energy in the middle of nowhere.

Durability

Zero Breeze Mark 2 Review: Value and Functionality (Spring 2023)

The Zero Breeze Mark 2 boasts a rugged build that can withstand the harsh environmental elements outdoors. With the connection wire for solar charging, you can take the AC with you for any adventure out on the road. It is made with robust materials that can withstand regular abuse. Plus, it has IPX4 protection, so it is immune to a few splashes. The best thing about the AC is that it doesn’t require significant maintenance like other ACs that need you to change water and filter regularly. You only have to ensure the drain hose and the exhaust hose are properly installed.

Customer Service and Support

Zero Breeze offers excellent customer care. Considering Mark 2 is a vastly improved version of the Mark I, it is safe to assume that the company considered the positive and negative feedback of their customers when creating high-quality and effective Mark 2.

Value

Portable air conditioners are costlier than their run-off-the-mill desktop counterparts. However, they are worth the hefty investment as you can bring them anywhere you go. The Zero Breeze Mark II has high-end features that set it apart from many portable AC units. As much the additional gear needed to maximize the AC’s potential may dent your wallet, you will appreciate being cooled down to 30 degrees in a matter of 10 minutes. Plus, the unit requires close to zero maintenance.

Features

The Zero Breeze Mark 2 has impeccable features that make its premium price point justifiable. The attractive features include;

Filtration

Zero Breeze Mark 2 Review: Value and Functionality (Spring 2023)

The Zero Breeze Mark 2 comes with a drainage hose for continuous drainage. Although the AC produces cold air, its heat exhaust system also releases hot air which has to be expelled. According to an article by  CNET Trusted Source How to Install a Portable AC Unit No matter where you live, at some point in the summer, you’ll probably want air conditioning. www.cnet.com , you must attach the hose to the unit and secure it to its drainage point, which could be a sink, tub, or bucket. You can secure the hose with a tape to avoid accidental dislodging and drainage on the floor.

Cooling Capacity

Zero Breeze Mark 2 Review: Value and Functionality (Spring 2023)

The Zero Breeze Mark 2 has a cooling power of 2300 BTU. It is recommended for cooling a space as large as 40 square feet, which is slightly less than 4 square meters. The AC will make the air in your RV, boat, the area around your office desk, bedside table and kitchen counter frosty cold. For a space larger than 40 square feet, it won’t be as effective.

The Mark 2 operates in two modes: power mode and sleep mode. Power mode will give you a quick temperature drop when the heat is intensely high outside and the sleep mode will quiet things down so you can sleep with the air conditioner running. You can easily switch between the modes with a remote control or the control buttons on the unit.

Temperature Drop

The Zero Breeze Mark 2 features a micro compressor which is about the size of a soda. The micro compressor is a tad smaller than a standard portable compressor. Despite its size, the unit can knock the temperature down by 30 degrees in a matter of 10 minutes. The unique ducting on the Mark 2 also contributes to its quick cooling capability. The dual piping system on the AC can produce up to 120 CFM of airflow and is more effective when combined with variable frequency centrifugal fan.

Moreover, the cold wind duct is conveniently large, measuring 31 inches when fully extended.

EER Rating 

EER means Energy Efficiency Ratio. The EER rating calculates an ACs energy efficiency with a constant outside temperature and a constant inside temperature. The formula for getting an ACs EER rating is cooling capacity in BTU/h (British Thermal Unit per hour) divided by power in watts.

According to an article by  Comfort Time, Trusted Source How Efficient is Your AC? A Guide to AC EER/SEER Ratings Energy efficiency is essential in the home, especially if you’re looking for ways to cut down your monthly utility expenses. Learn which AC unit is the most energy-efficient to make your home more comfortable while adding only a little to your energy costs. www.fastacservice.com an optimum EER rating for an AC is 8.5 and above. Besides an EER rating of 8.5 and above, you should consider the energy star label when choosing an AC as it is an indicator that the unit uses 10% less energy to operate.

The EER rating for Zero Breeze Mark II is 9.6 which results from 2300 BTU divided by 240 watts. Therefore, the AC is a fantastic energy efficient option.

Noise Levels

Compared to most portable ACs, the Mark is a quieter unit. It produces only 52 decibels which is a whole 13 decibel decrease from the first generation AC. According to  Sciencing Trusted Source What Is a 52 dB(A)? | Sciencing Every sound has a level in decibels that relates its loudness. For example, a hair dryer can be about 53 decibels (dB(A)) while a chainsaw from three feet away is about 117 dB(A). sciencing.com , is similar to the noise produced by an electric fan, a refrigerator, or a hair dryer. It is not super-quiet, but the noise wouldn’t be a nuisance.

Size and Weight

The Zero Breeze Mark II is one of the best portable ACs on the market. Its small convenient size is one of its primary selling points. Measuring 20 by 10 by 11 inches, you can easily pack and carry it with you anywhere you go. Its ultra-lightweight build also makes it easily portable.

If you would love to check out other portable ACs before making the final buying decision, read our article on the best battery-powered air conditioners. If you’d like to take an air-conditioner with you anywhere, this compilation of the best battery-powered air conditioners is for you!

Pros  Cons
  • Lightweight and compact build
  • Fast cooling capacity
  • Less noisy
  • Energy efficient
  • IPX4 protection
  • Long battery life
  • Easy to operate
  • Multiple charging options
  • Excellent value for money
  • Premium price point
  • Takes a long time to charge
  • Only available on the official website

Conclusion

The Zero Breeze Mark II is one of the best innovations in the world of portable ACs. While it is on the pricey end, it is the only battery-powered AC that will cool you off so quick and run for more than 2 hours before needing a recharge. What’s more, it is energy efficient and it has multiple charging options, including solar energy. The only downside is that you have to dig deeper into your pockets for accessories that will allow you to make the most out of the unit.

Our detailed Zero Breeze Mark II review depicts the powerful portable AC as a perfect choice for people who love being outdoors. It is ideal for boat and RV owners or backpacking and camping in humid areas. Its relatively small and lightweight build is the easiest to pack and carry. Plus, its aesthetically pleasing design will give you bragging rights.

References

1.
How to Install a Portable AC Unit
No matter where you live, at some point in the summer, you’ll probably want air conditioning.
2.
How Efficient is Your AC? A Guide to AC EER/SEER Ratings
Energy efficiency is essential in the home, especially if you’re looking for ways to cut down your monthly utility expenses. Learn which AC unit is the most energy-efficient to make your home more comfortable while adding only a little to your energy costs.
3.
What Is a 52 dB(A)? | Sciencing
Every sound has a level in decibels that relates its loudness. For example, a hair dryer can be about 53 decibels (dB(A)) while a chainsaw from three feet away is about 117 dB(A).
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