ZERO BREEZE Mark 3 Portable Air Conditioner

Description

The ZERO BREEZE Mark 3 is the most advanced ultra-portable air conditioner on the market, delivering 5,280 BTU of real cooling power in a unit that weighs just 22 pounds. Purpose-built for off-grid life - whether you're sleeping in a truck cab, van, travel trailer, rooftop tent, or tiny house - the Mark 3 gives you genuine climate control without generators, shore power, or complicated installs. It cools a space by 20 degrees Fahrenheit in as little as 5 minutes and runs quietly in Sleep Mode at just 46 dB, so you actually get the rest you need.

Unlike conventional portable ACs that require a wall outlet and drain by hand, the Mark 3 runs on a detachable 1022Wh lithium battery, charges from solar panels, a car cigarette port, or a standard wall outlet, and drains condensation automatically via a built-in micro pump. With 7 operating modes - Rocket, Cool, Sleep, Fan, Dry, Care, and Heating - and a thermostat range of 61-88 degrees Fahrenheit, it's a four-season climate system in a travel-bag-sized package.

Key Features

• 5,280 BTU Cooling Capacity: Delivers genuine, rapid cooling for spaces up to 100-150 sq ft - more cooling per pound than any portable AC available.
• 22 lbs / 10 kg Unit Weight: The smallest and lightest 5,280 BTU portable AC ever built - carry it in one hand to any location.
• Rapid Cooling - 20°F in 5 Minutes: Purpose-built Rocket Mode drops cabin temps fast after a hot day outdoors.
• Battery-Powered with 1022Wh Capacity: Each battery runs 2-7 hours depending on mode; stack up to 4 batteries to extend runtime to 6-21+ hours.
• 500W MPPT Solar Charging: First portable AC with a built-in 500W MPPT module - charges 0% to 80% in about 2 hours via solar, wall outlet, or vehicle port.
• 7 Operating Modes: Rocket, Cool, Sleep, Fan, Dry, Care, and Heating modes adapt to every situation from rapid cool-down to quiet overnight comfort.
• 46 dB Sleep Mode: Whisper-quiet operation won't disturb your sleep - significantly quieter than competing battery ACs and far quieter than any generator setup.
• Active Auto-Drain System: Built-in micro sensor monitors water levels and activates an internal pump to drain condensation automatically - no manual emptying required.
• Dual Hose / Dual Function - Heat and Cool: Dual-hose ventilation plus a 5,800 BTU heating mode make it a true year-round climate system.
• IPX4 Moisture Protection: Rated for outdoor environments, light rain, and high-humidity conditions without compromising performance.
• Flexible Charging - 12V to 60V DC Input: Recharge via wall outlet, solar panels, RV hookup, or 12V vehicle cigarette port; also outputs USB-C (100W PD), USB-A (QC 3.0 18W), and 12V Anderson for other devices.
• No Installation Required: Full setup in under 5 minutes - no drilling, no permanent wiring, and no tools needed.

Type & Venting Kit Options - Which to Choose

• Mark 3 Basic (AC Only): The unit alone with no batteries included. Best for buyers who already own compatible power sources or who plan to run the AC from a wall outlet or existing power station. The most affordable entry point into the Mark 3 system.
• Mark 3 (AC + 1 Battery): The unit plus one 1022Wh battery. Ideal for shorter trips, weekend camping, or use cases where you can recharge each day. Provides roughly 2-7 hours of cooling per charge depending on mode.
• Mark 3 (AC + 2 Batteries): The most popular configuration. Two batteries in series deliver 4-14 hours of runtime - enough for a full night of Sleep Mode cooling without recharging. Great for truck drivers, van lifers, and weekend overlanders.
• Mark 3 (AC + 3 Batteries): Maximum out-of-the-box runtime. Three batteries provide 6-21 hours, covering extended trips, consecutive hot nights, or high-demand Rocket/Cool Mode use. Best for serious off-grid adventurers and full-time mobile living.
• No Venting Kit: Choose this if you already have your own ducting solution or plan to purchase a venting kit separately. The AC unit ships with all standard duct adapters.
• Window Venting Kit for Mercedes Sprinter (2007-2024+): A purpose-built panel designed to fit Sprinter van windows for a clean, secure exhaust duct install. Ideal for Sprinter-based camper van builds.
• Window Venting Kit for Ram ProMaster (2013+): Custom-fit window panel for ProMaster vans. Drop it in and connect the duct - no cutting or fabrication needed.
• Window Venting Kit for Ford Transit (2015-2024): Designed specifically for Transit van window openings for a clean, rattle-free fit in Transit camper conversions.
• DIY Venting Kit for Universal Window with Cutting Tool: A flexible kit that works with most window openings. Includes a cutting tool so you can trim the panel to fit your exact window size - great for custom builds and non-standard vehicles.
• Tent Venting Kit for Mark 3 AC: Designed to route the exhaust hose out of a rooftop tent or ground tent without letting hot air recirculate inside. Perfect for overlanding and tent camping setups.

Shipping

Ships free! Please email us at service@omahasportsandgames.com for a delivery ETA or to confirm shipping details.

Important: If you add a window or tent venting kit to your order, that accessory ships separately and may arrive slightly later than the main unit. Estimated delivery for the venting kit accessory is 12-15 business days.

What's Included

• ZERO BREEZE Mark 3 Air Conditioner x 1
• 100V-240V AC Power Adapter for Wall Outlet x 1
• 2.4G Wireless Remote Controller x 1
• Drainage Pipe x 1
• Front Outlet Duct (4.33" / 11cm diameter) x 1
• Front Inlet Duct / Rear Inlet Duct (5.12" / 13cm diameter) x 1
• Rear Outlet Duct (5.91" / 15cm diameter) x 1
• Front Inlet Adapter x 1
• Front Outlet Adapter x 1
• Rear Inlet Adapter x 1
• Rear Outlet Adapter x 1
• ZERO BREEZE Mark 3 User Manual x 1
• Mark 3 Battery x 1, 2, or 3 (depending on selected Type; Basic includes no battery)
• Venting Kit (if selected at checkout)

Why You'll Love It

The Mark 3 has earned a passionate following among truck drivers, van lifers, overlanders, boaters, and pilots - people who deal with real heat in real environments and can't afford to settle for a fan. Customers consistently report that it actually keeps a small sleeper cab or camper van at a comfortable temperature through the night with the engine off, something no other carry-size solution has managed to deliver. With fast solar charging, stackable batteries, and a fully automatic drain system, it's built to run night after night with minimal effort. As featured by T3 and praised by serious outdoor enthusiasts across the country, the Mark 3 isn't just the lightest battery AC - it's the most capable one. If you've been waiting for a truly portable, truly powerful, off-grid air conditioner, this is it.

Product Specifications

FAQ