What is the Maximum Temperature of Container Houses?

The maximum temperature of container houses under extreme conditions can reach 80℃, but the thermal insulation performance varies significantly among different types of container houses, and the actual temperature is greatly influenced by environmental conditions and thermal insulation measures.

Ordinary Dry Cargo Containers: Temperature Soars Under Extreme Conditions

Ordinary dry cargo containers (such as standard 20-foot or 40-foot containers) typically feature a single-layer metal structure with extremely poor thermal insulation. Under extreme conditions of direct sunlight, enclosed and poorly ventilated spaces, and high external temperatures (above 40℃), a 'heat box effect' occurs inside:

• Temperature Rise Rate: The temperature can increase by 5-8℃ per hour, and can exceed 60℃ after 2-3 hours of exposure.
• Extreme High Temperature: If exposed continuously and the external temperature is extremely high (such as in summer in desert regions), the internal temperature can reach 80℃. This high-temperature environment is not only uninhabitable but also accelerates the aging of container materials and may even trigger spontaneous combustion of internal items.

Thermally Insulated Container Office Houses: Efficient Temperature Control Design

To address the thermal insulation defects of ordinary containers, thermally insulated container office houses significantly improve thermal performance through optimized material and structural design:

• Application of Thermal Insulation Materials: High-efficiency thermal insulation layers such as polyurethane foam and rock wool are used to reduce heat transfer. For example, a certain model of thermally insulated container only rises to 28.5℃ internally when the ambient temperature is 50℃, with an indoor-outdoor temperature difference of 21.5℃.
• Ventilation System Design: Through forced ventilation or natural vents, internal air circulation is accelerated to reduce temperature buildup. Some models are also equipped with air conditioning systems to further maintain comfortable indoor temperatures.
• Surface Treatment Technology: Reflective coatings or light-colored shells are used to reduce solar radiation absorption and lower the initial temperature rise rate.

Key Influencing Factors and Recommendations

The actual temperature performance of container houses is influenced by the following factors:

1. Environmental Conditions: Solar radiation intensity, external temperature, and ventilation status directly affect the internal temperature.
2. Thermal Insulation Measures: The thickness of the thermal insulation layer, material thermal conductivity, and airtightness determine the temperature control effect.
3. Usage Scenarios: Different needs for living, office, or storage require different temperature control requirements.

Recommendations: If long-term use of container houses is required, priority should be given to models with optimized thermal insulation performance, equipped with ventilation or air conditioning equipment; in high-temperature areas, auxiliary measures such as sunshades and green coverage can be used to further reduce temperatures.