CB-28 Car and Home Dual-Purpose Two Way Ventilation Thermoelectric Cooler Wholesale
  • CB-28 Car and Home Dual-Purpose Two Way Ventilation Thermoelectric Cooler

CB-28 Car and Home Dual-Purpose Two Way Ventilation Thermoelectric Cooler

1. The appearance design is square and grand, with obvious lines, concise but not simple;
2. Medium to large volume (28L), more practical;
3. Air cooling mode conducts cooling, making the temperature inside the box more uniform and stable.
  • CB-28 Car and Home Dual-Purpose Two Way Ventilation Thermoelectric Cooler

Product Parameters


28 litres

Input voltage

12V DC & 230V AC

Power rating

40W(Cool / DC);35W(Hot/ DC)

Cooling performance

Up to 20°C below the ambient temperature(25°C)




High-quality full foam insulation of polyurethane, CFC-free

Product size


Gift box size


About Tingwei

Focus on the design and production of electronic refrigerators, wine cabinets, heating and cooling boxes for automobiles, residential, medical and other applications.

Ningbo Tingwei Electric Technology Co., Ltd. is China ODM CB-28 Car and Home Dual-Purpose Two Way Ventilation Thermoelectric Cooler suppliers and CB-28 Car and Home Dual-Purpose Two Way Ventilation Thermoelectric Cooler company. We are the cooler manufacturer in China with our own mould-making and design department, which allows us to enjoy the advantages and convenience of new product development. Thanks to 18 years of conscientious work, Tingwei has become a business with total investment of CNY 90 million, fixed assets of CNY 260 million and annual capacity of 1 million coolers and fridges. There are more than 300 skilled workers in our company, of whom have been there for more than five years. The company has 16 designers, 6 senior engineers, with strong research and development capabilities. And the 25 members of the QC team are our firewall against any disqualified products. We have always implemented the standard strictly and have passed the third party audit of ISO/TS 16949 and BSCI. The products have CE, RoHS, PAHS, LFGB, ERP test reports and certifications.

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Industry Knowledge Extension
What Maintenance is Required for the Car and Home Dual-Purpose Two Way Ventilation Thermoelectric Cooler?
Maintaining the Car and Home Dual-Purpose Two Way Ventilation Thermoelectric Cooler is essential to ensure optimal performance, longevity, and safety of the device. While thermoelectric coolers generally require less maintenance compared to traditional compressor-based systems, regular upkeep is still necessary to prevent malfunctions and prolong the lifespan of the cooler. Here's a comprehensive guide on the maintenance tasks required for the Car and Home Dual-Purpose Cooler:
Cleaning:Regular cleaning is crucial to prevent dust, debris, and other contaminants from accumulating on the cooler's components, which could hinder airflow and thermal efficiency.
Exterior Cleaning: Wipe down the exterior surfaces of the cooler with a damp cloth to remove dust and dirt. Avoid using harsh chemicals or abrasive cleaners that could damage the finish.
Interior Cleaning: Periodically remove the cooler's cover or access panels to access the interior components. Use compressed air or a soft brush to gently remove dust and debris from the fan blades, heat sinks, and other internal parts.
Ventilation Ports: Ensure that ventilation ports are free from obstructions, such as leaves or insect nests, which could impede airflow. Use a vacuum cleaner or compressed air to clear any blockages.
Regular inspections help identify potential issues early and prevent costly repairs or replacements down the line.
Electrical Connections: Inspect electrical connections for signs of corrosion, loose wires, or damage. Tighten loose connections and replace any damaged wires or connectors to ensure reliable operation.
Thermoelectric Module: Check the thermoelectric module for signs of damage or deterioration, such as cracks or discoloration. Replace the module if any abnormalities are detected to maintain optimal cooling and heating performance.
Fan Operation: Test the fans to ensure they are functioning correctly. Listen for unusual noises or vibrations, which could indicate a problem with the fan motor or blade assembly.
Temperature Sensors: Verify that temperature sensors are accurately detecting temperature changes. Calibrate or replace sensors as needed to maintain accurate temperature control.
Some components of the cooler may require lubrication to reduce friction and ensure smooth operation.
Fan Bearings: If applicable, lubricate fan bearings according to the manufacturer's recommendations. Use a light machine oil or silicone-based lubricant to prolong bearing life and reduce noise.
Moving Parts: Apply a small amount of lubricant to moving parts, such as hinges or sliding mechanisms, to prevent corrosion and ensure smooth operation.
Filter Replacement:
If the cooler is equipped with air filters, regular replacement is necessary to maintain air quality and prevent dust buildup.
Filter Inspection: Check the condition of air filters regularly. Replace filters if they are dirty, damaged, or clogged with debris.
Replacement Schedule: Follow the manufacturer's recommendations for filter replacement intervals. In high-traffic or dusty environments, filters may need to be replaced more frequently.
Calibration ensures that temperature settings and control mechanisms are accurate and reliable.
Temperature Calibration: Periodically calibrate the cooler's temperature control system to ensure that set temperatures correspond accurately to actual temperatures inside the cooling chamber.
Control Adjustment: Verify that temperature control settings are functioning correctly. Adjust controls as needed to maintain desired temperatures.
Professional Maintenance:
For more complex maintenance tasks or repairs, consider consulting a professional technician with experience in thermoelectric cooling systems.
Professional Inspection: Schedule periodic inspections by a qualified technician to assess the condition of the cooler and identify any potential issues.
Repairs and Replacements: If components are damaged or malfunctioning, enlist the services of a professional technician to perform repairs or replacements. Attempting DIY repairs could void warranties or cause further damage.