K-STONE – Parking Air Conditioner Supplier in China

12V AC Unit Manufacturer in China

As a 12V AC unit manufacturer in China,we offer parking air conditioners designed for RVs, trucks, campers, and other vehicles.Our products have passed a range of tests, including but not limited to air tightness and pressure resistance tests,performance and energy efficiency tests,electrical and control system tests,vibration and durability tests,as well as comfort and safety tests.

Not only that,but our products are also certified to IATF 16949, ISO 9001, CQC Energy Efficiency, GB 21361, and E-Mark standards.This allows them to be sold in major countries and regions around the world.

12V AC Unit Manufacturer in China

Why Choose You As My 12V AC Unit Manufacturer?

Choose us as your 12V AC unit manufacturer for three reasons:native DC efficiency,rugged durability,and seamless smart integration.

Our equipment operates directly on a 12V DC power supply, eliminating the 15% energy loss associated with traditional inverters. It features a variable-speed compressor that draws less than 20 amps in energy-saving mode.

Built for harsh environments,they feature vibration-resistant frames and high-ambient condensers to maintain peak performance during bumpy travel and extreme heat.The aerodynamic,low-profile design seamlessly fits fleets and RVs.
As a trusted OEM partner,we offer flexible wholesale supply,custom branding,and scalable manufacturing solutions.

How To Order?

To order our 12V air conditioner units,you need to provide vehicle specs,electrical capacities,operating environments,and order volumes.Specify your vehicle type,cabin volume,and mounting style—whether rooftop or split system.Detail your electrical setup,including battery chemistry,total Amp-hours,and alternator output,to ensure proper wiring gauge and prevent voltage drops.Share your regional ambient temperatures and vehicle insulation quality to calculate the correct BTU cooling load.Finally,provide your required order volume,custom branding needs,and shipping destination to get accurate wholesale pricing and freight logistics quotes.

The more information you provide,the better we can help you find the right product.Please feel free to contact us at any time or send an email to [email protected].We’d be happy to assist you.

Our Ability

Full-Scale OEM ODM Customization

Full-Scale OEM/ODM Customization

We specialize in tailoring 12V air conditioner units to your specific fleet needs,offering customizable physical dimensions,versatile split or rooftop configurations,personalized brand labeling,and custom exterior shell colors.

Precision Hardware & Electronics Assembly

Precision Hardware & Electronics Assembly

Our factory utilizes advanced CNC metal fabrication to build rugged,vibration-resistant aluminum frames alongside automated SMT assembly lines that produce reliable low-voltage control circuit boards with integrated soft-start systems.

Rigorous Quality & Thermal Testing

Rigorous Quality & Thermal Testing

Every manufactured unit undergoes extensive environmental simulation testing up to 130°F,continuous operational stress diagnostics,precise low-voltage cutoff screening,and 100% automated leak-free refrigerant charging validation.

Scalable High-Volume Production

Scalable High-Volume Production

We operate highly flexible assembly lines capable of rapidly scaling output from small-batch custom prototypes to high-volume monthly fleet manufacturing while maintaining strict compliance with CE and E-Mark standards.

FAQs About Our 12V Air Conditioner

Are Your AC Units Compatible With All Types of Lithium Batteries?

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Do Your Units Feature Low-Voltage Cutoff (LVCO) Protection?

Absolutely.Every unit features a built-in,programmable Low-Voltage Cutoff sensor.This safety mechanism automatically shuts off the air conditioner if your leisure battery drops below a safe threshold,preserving enough power to crank the vehicle's engine.

Should I Choose A Rooftop All-in-One Unit or A Split System?

Rooftop Systems are ideal for quick installation,space-saving designs,and standard vehicles with flat roofs.
Split Systems are perfect for vehicles with tight roof clearance,heavy machinery cabins,or custom builds where the condenser must be hidden underneath or behind the chassis.

How Well Do Your Units Perform in Extreme Desert Climates?

Our systems are engineered using high-ambient condensers and automotive-grade lubricants.They maintain an optimal temperature differential and refuse to thermal-shutdown even when ambient desert temperatures climb past 115°F (46°C).

How Do Your Units Handle Rough Terrain And Heavy Vibrations?

Each unit features a reinforced chassis and is equipped with shock-absorbing mounts.The internal copper tubing has been carefully designed and reinforced to withstand the intense vibrations of high-speed travel over thousands of miles,as well as the jolts of off-road terrain.

What International Quality And Safety Certifications Do You Hold?

Our production lines operate under strict quality management systems.Our 12V air conditioner products fully comply with international import and safety regulations,carrying CE,E-Mark (Automotive Grade Certification),and RoHS compliance badges.

What Kind of Warranty And After-sales Support Do You Provide?

We offer a comprehensive B2B warranty on the entire system,with extended warranty options covering the core inverter compressor.We back our wholesale partners with direct access to our technical engineering team,troubleshooting video guides,and a reliable long-term supply of replacement parts (fans,controller boards,filters).

Send Us A Message

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Tell us your perfect idea, or simply say hello. We’re here to create the perfect idea, whether you have a great thought or need some inspiration for a project. From conception to creation, allow us to inspire you.

+86 138 1973 9327
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Office

Room 901, Jinri Jiayuan,
South Tangjiaqiao Rd,
Wenzhou, 325000 China
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