The battery-powered ZERO BREEZE Mark 3 portable AC is placed outdoors in a scenic natural setting. The battery-powered ZERO BREEZE Mark 3 portable AC is placed outdoors in a scenic natural setting.

Stay Cool, Anywhere

The ultimate portable air conditioning for any adventure or profession—lightweight, powerful, and efficient.
Explore the Solution

Portable AC, Revolutionized

Summer heat can be unbearable—even dangerous. ZERO BREEZE Mark 3 is not just another portable AC; it’s engineered for true mobility. Unlike bulky units or fuel-wasting car ACs, it provides a lightweight, efficient cooling solution powered by a rechargeable battery. Whether you're camping, working outdoors, or on the road, Mark 3 is your trusted companion.

A vintage green Formula 1 racecar is competing on a track during a high-speed race.
Racing
Camping
Construction
Semi-Truck
Boat
Burn rubber, not yourself. With lightning-fast cooling and unbeatable portability, the ZERO BREEZE Mark 3 keeps your crew and gear cool, ensuring peak performance on the track.

Need a Custom Solution?

Haven’t found your application? Contact our expert for a customized solution.

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Innovation at Its Core

Micro Twin-Cylinder Compressor
Portable Power Module
Dual-Duct System
Active Drain System
Developed by ZERO BREEZE, this cutting-edge compressor is the backbone of rock-solid performance, unmatched portability, and whisper-quiet cooling power.

A Decade of Commitment

We weren’t the first to think of portable AC, but we’re the only ones who pushed the limits to make it a reality and keep pushing forward for over a decade. Our drive is simple: to ease outdoor living with innovations. That's why we focus on portability and comfort, making it easy for outdoor people to get a cool, safe, and comfortable breeze wherever they are.

From left to right, Mark 3, Mark 2, and Mark 1 are displayed on rocks, showcasing the different models.
Trusted Globally

Used in over 60 countries, from scorching deserts to racing tracks, by adventurers, professionals, and everyday users.

A racecar driver is holding an air cooling hose, staying cool and focused before a race.
An HVAC technician in a blue protective uniform performs maintenance on a large industrial air conditioning unit.
A black helicopter is parked on the ground, ready for takeoff.
The Mark 2 portable AC is installed on a boat's deck, with its flexible duct connected to the front air outlet, providing cool air to the cabin.
The Mark 3 is placed inside a van, providing cooling comfort to a person working on DIY renovations.
A golfer enjoys a refreshing breeze provided by the Mark 2 portable air conditioner installed in the rear of his golf cart.
A driver is working under a semi-truck, with the Mark 2 providing cooling through a flexible duct.
The Mark 2, with its flexible duct, keeps a white puppy cool and comfortable in a truck cab.
A man carries the Mark 3 in one hand while climbing a ladder to his rooftop tent.

Dive into Our World

News Applications Stories
Update on ZERO BREEZE Mark 3 Portable AC at CES 2025

Is This Really an Air Conditioner? A Look at ZERO BREEZE at CES 2025

As CES 2025 wraps up, we're excited to update you on the ZERO BREEZE Mark 3, our most portable outdoor air conditioner. The top question we’ve heard? 'Is this really an air conditioner?' Yes, it is! Not traditional, but an innovative portable unit. Powered by a unique micro compressor, Mark 3 delivers real cooling power in a compact form. Read on to uncover its story and see it firsthand at the show.

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ZERO BREEZE Mark 3 Portable AC at CES 2025

ZERO BREEZE Unveils the Most Portable Air Conditioner Mark 3 at CES 2025

Discover the future of portable cooling with ZERO BREEZE Mark 3 at CES 2025. Compact, powerful, and designed for outdoor adventures, this portable AC brings effortless comfort wherever you go. With innovative features like off-grid power, customizable cooling modes, and easy portability, it’s the ultimate solution for beating the heat. Visit us at CES 2025 in Las Vegas (Booth 9744, North Hall) to experience it for yourself!

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Real User Feedback: Are Semi-Truck Drivers Satisfied with the Mark 2 Portable A/C and How They Use It?

Real User Feedback: Are Semi-Truck Drivers Satisfied with the Mark 2 Portable A/C and How They Use It?

Discover how semi-truck drivers are staying cool on the road with the Mark 2 portable A/C. Read real user feedback, learn setup tips, and find out if this installation-free solution meets their needs.

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DIY Air Conditioner for Sprinter Van Motorhome

DIY Air Conditioner for Sprinter Van Motorhome

Two different placing setup of the ZERO BREEZE Mark 2 AC for indoor and outdoor. Both meet your limited RV space and cooling needs. The ZERO BREEZE Mark II definitely can cool the bedroom area to make the space more comfortable; however, the most effective use of the ZERO BREEZE is as a spot cooler, having it blow a chilly breeze on you while you sleep - - you'll need a blanket, because it's pretty darned cold.

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The Mark 3 portable air conditioner sits near a lake, placed on a storage box next to a camping chair and a table with drinks and snacks, providing a comfortable cooling solution for outdoor relaxation.

Why I Upgraded Mark 2 to Mark 3: My Amazing Portable AC for Camping

The Mark 3 portable air conditioner is here! Compact, lightweight, and battery-powered for ultimate portability, it’s now more powerful and functional than ever. Wondering why Brian, a valued customer who’s used Mark 2 for nearly 5 years, decided to upgrade? Discover what led him to choose the Mark 3 and get his expert tips for using a portable AC.

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Is Air Conditioning in Overlanding a Luxury?

Is Air Conditioning in Overlanding a Luxury?

Discover whether air conditioning is a luxury or necessity for overlanding. Explore the benefits of portable air conditioning, including comfort, safety, and improved travel experience. Learn how innovations like the ZERO BREEZE Mark 2 can enhance your overlanding adventures, ensuring you stay cool and comfortable in the great outdoors. Read more to find out how to make your trips more enjoyable and why having air conditioning can be a game-changer for overlanders.

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