Sleep Cool Tonight, Anywhere You Go
Portable cooling designed for van life & camping.
Easy to install, low noise, and powerful performance for your ultimate comfort.
Beat the Heat with Smart Cooling
Fast Cooling, Beat the Heat
Ultra-Quiet Operation
Low Power Consumption & Energy Saving
One Cooler, Endless Possibilities
Built for Adventure:Rugged performance that handles every off-road challenge.
Simple Setup, Cool in Minutes
Your journey to comfort starts here.
Certified Quality & Safety
Fully compliant with CE, UDEM, and FCC international standards.
1-Year Reliable Warranty
Full 12-month coverage on parts and labor, ensuring your peace of mind on every journey.
Easy Returns
30-Day risk-free return policy for your satisfaction.
24/7 Expert Support
Lifetime technical support from our dedicated professional team.
Readhat our customers have to say about Sunster
"Impressive cooling speed! It dropped the temperature in my RV from 90°F to a comfortable 72°F in less than 15 minutes. Perfect for those scorching summer trips."
Mark S. / RV Owner
"The installation was much more straightforward than I expected. The instructions were clear, and it fit perfectly on my van's roof. Truly a professional-grade setup."
Alex T. / Van Lifer
"Finally, a quiet AC! I can actually sleep through the night without that loud compressor cycling. It's a game-changer for stealth camping."
Sarah J. / Camper Enthusiast
"Running this on my 24V system for hours during rest stops, and the power draw is remarkably low. No more worrying about draining the battery before morning."
Dave R. / Truck Driver
"Had a minor question about the remote settings and customer support got back to me within the hour. Great service and a very solid unit."
Lisa K. / Digital Nomad
"You can feel the build quality right out of the box. It’s handled bumpy off-road trails without any issues. Durable and well-engineered for rough travel."
Tom H. / Overlander
High-efficiency 12V/24V DC Inverter AC. Rapid cooling, intelligent temperature control, and a professional-grade solution for a cool mobile environment.
FAQs
What matters needing attention？
Vacuum for 10 minutes before adding refrigerant until the low pressure gauge shows a negative value.
If this air conditioner not cool or work?
Please confirmif the wiring of the air conditioner is correct? is the battery capacity greater than 100A? Are there any fault codes appearing on the control panel?
If you have any product questions, please feel free to contact us at any time.
What should I do when the a/c unit show adnormal run?
Find out the error code at display or the compressor LED lightCorresponding mean at manul. There are clear instructions how to do.
What are the precautions for maintaining air conditioning?
1. cut off the power
2. the surface of the air conditioner can be
cleaned with a neutral cleaning agent.
3. remove the outershell andblowing out the dust with fast windy.
4.Check power of battery andblocking of the inlet and outlet during a/c unit idle.
Does this air conditioner include refrigerant oil and refrigerant?
1. There is no refrigerant inside the air conditioner, and Freezing medium，R1234yf/ R134a (not include) needs to be added
2、Refrigeration oil type: POE68(included)
If the battery is during low power, how should I do make the a/c systemwork?
lt will enter low-voltage protection with insufficient battery power, butif turn down the low-voltage protection and reduced and energy-savingmode, it will work period of time But you'd better to charge the battery ASAP.