Key Features
How The Zero Breeze Mark 2 Compares To The Mark 3
Campers and outdoor enthusiasts evaluating portable battery AC units usually face this question: should I get this compact, lower-cost Mark 2, or step up to the more powerful Mark 3 for larger spaces and heating capability?
| Feature | Zero Breeze Mark 2 | Zero Breeze Mark 3 |
|---|---|---|
| Cooling Capacity | 2,300 BTU | 5,280 BTU |
| Weight | 16.5 lbs, lightest in the lineup | 22 lbs |
| Heating Mode | Not available | 5,800 BTU heating included |
| Best Suited For | Small tents, small spaces, spot cooling | Larger vans, tiny homes, 100-150 sq ft spaces |
Product Description
Uses only about 1/5th of the power (240 W) compared to other conventional air conditioners.
Battery Operated
You can simply run the Mark 2 with any 24 V battery supply or use our Mark 2 Battery for about 3-5 hours of portable use.
2300 BTU Capacity
Drop up to 30° F within 10 minutes in a 25-40 ft² insulated setup
Weighs only 16.5 pounds
You can easily carry the Mark 2 around with a single arm. Discover the freedom of portable comfort with ZERO BREEZE Mark 2, the revolutionary air conditioner designed for the great outdoors.
Weighing only 16.5 pounds, Mark 2 offers you the powerful cooling of a 2300 BTU system, making it perfect for campers, RV enthusiasts, and outdoor lovers.
Engineered with an ultra-efficient micro dual-cylinder inverter compressor, it operates quietly and economically, with a low power draw compatible with solar charging.
Experience true convenience and eco-friendly operation with ZERO BREEZE Mark 2, your trusty companion for any adventure."
Highlights
- Outdoor Optimized: Designed specifically for the outdoor enthusiast.
- Ultra Lightweight: Just 16.5 pounds and half the size of traditional units.
- Grab and Go: Easy to carry with one hand for on-the-go comfort.
- Innovative Compressor: Micro dual-cylinder technology for efficient, quiet operation.
- Powerful Cooling: 2300 BTU for rapid temperature drop and dehumidification.
- Energy Efficient: Only 240w power consumption for eco-friendly use.
- Detachable Battery: Powered by a removable battery for ultimate convenience.
- Versatile Charging: Compatible with solar, car, and external battery charging.
- Off-Grid Ready: Enjoy the luxury of air conditioning in any remote location.
- Dual Vents: Dual-hose system for faster and more effective cooling.
- Mobile Comfort: Move it where you need it for targeted cooling.
Tech Specs
View Mark 2 Series User Manual
| Working Mode | Cool, Fan, Sleep, Strong |
| Wind Speed Level | 4 |
| Sound Level | 52dB(A) |
| Cooling Power | 2300 BTU |
| Climate Type | T1 |
| Cooling Rated Input | 240W |
| Rated Voltage | 24V DC |
| Refrigerant |
R134A
|
| Unit Size | 20"L x 10"W x 11"H / 51cm x 26cm x 28cm |
| Weight | 16.5lbs/7.5kg |
| Moisture Protection | IPX4 |
| Vent Hose Exhaust Configuration | Dual Hose |
Mark 2 Battery Specification
View Mark 2 Battery User Manual
| Battery Type | 18650 Lithium-Ion Polymer Battery |
| Capacity | 24V 35Ah/ 840Wh |
| DC Charge Input | 18V-36V (Recommended input voltage: 21V-27V) |
| Full Charge Time | About 6 hours (by official power adapter) |
| DC Jack Output | 12V/5A Max |
| USB Type C | PD(5V,9V,12V,20V/45W Max) |
| USB Type A | 5V/2A Max |
| Net Weight | 12lbs/5.4kg |
| Size | 20"L x 8.6"W x 2.3"H / 51cm x 22cm x 6cm |
| Operation Temperature |
0℃-40℃ / 32 °F-104 ℉
|
Serene Nights, Outdoor Delights
Say goodbye to muggy, sweaty nights and unwelcome mosquitoes. Whether you're in a tent, van, station wagon, truck, roof top tent, Mark 2 ensures your sleep is peaceful and uninterrupted.



Cool Anytime, Comfort Anywhere
Whether it's after exercising, for your pet, or under a beach umbrella, the Mark 2 can provide you with targeted, rapid cooling. Enjoy refreshing naps and relaxed moments, ensuring comfort for you and your loved ones in the great outdoors.

Redefining Outdoor Cooling
Outdoor cooling solutions were once ineffective, adding unwanted humidity, bulky, not compact or portable, loud, and consuming large amounts of energy, making cooling on the go far from easy. Now, the ZERO BREEZE Mark 2 is designed to be different, offering a new cooling experience with just one tap.
Unmatched Portability
Cool on the Go: At just 16.5 lbs, the Mark 2 is easy to lift with one hand, whether you're heading to the sky, the sea, the mountains, or the plains. It saves compact camping space and can be carried anywhere with ease.



Rapid Cooling Capacity
Swift Relief from Heat: Experience fast cooling in just ten minutes as the temperature drops from 90°F to 60°F at the vent, swiftly relieving you from sweaty and sticky discomfort.
Compact Compressor Tech
Pioneering Cola Can-sized Compressor: The unique micro-twin-cylinder compressor, the heart of the Mark 2, delivers powerful cooling in a compact size, minimizing noise and energy consumption.


Flexible Power Options
The independent battery design makes the Mark 2 a true off-grid champion, easily rechargeable via solar, car, or portable power sources, ensuring continuous cooling anywhere.
Low Energy Consumption
Off-Grid Efficiency: The Mark 2 efficiently balances cooling needs with energy consumption, using just 240W to keep you cool without excessive power demands.



Dual Duct Efficiency
Dual Duct Innovation: Mark 2’s unique front and rear duct system minimizes cooling loss by 50%, delivering efficient and quiet cooling in any setup, indoors or out.
Ease of Use
Simplicity at your fingertips: With the Mark 2, cooling is just a button press away. No installation required. Remote control is also available for added convenience.


Full Spec Sheet
| Model | Z20, Mark 2 |
| Cooling Power | 2,300 BTU |
| Cooling Rated Input | 240W |
| Rated Voltage | 24V DC |
| Sound Level | 52 dB(A) |
| Refrigerant | R134A |
| Unit Size | 20 x 10 x 11 in |
| Weight | 16.5 lbs |
| Moisture Protection | IPX4 |
| Battery Capacity | 840Wh, 18650 Lithium-Ion |
| Battery Weight | 12 lbs |
| Full Charge Time | About 6 hours |
Free shipping on every U.S. order
Genuine products from trusted manufacturers
Real help before and after your purchase
Protected payments and encrypted checkout