Free cooling systems designed for energy-efficient cooling of electrical enclosures, telecom cabinets, and shelters using ambient air without compressors or refrigerants.
Free cooling systems
Ambient air cooling
Ultra-low energy consumption
Scalable airflow performance
Why choose Vikinor free cooling systems
Vikinor free cooling systems provide energy-efficient enclosure cooling by using ambient air to remove heat. Designed for telecom and industrial environments, they offer reliable operation with minimal energy consumption while maintaining flexibility across different installation conditions.
Energy-efficient operation
- Uses ambient air instead of compressor-based cooling
- Significantly lower energy consumption than air conditioners
- Ideal for energy-sensitive and off-grid installations
Ambient airflow cooling
Direct airflow cooling using filtered external air
Effective when ambient conditions support heat dissipation
Designed for stable airflow and thermal performance
Simple and reliable design
- Minimal moving parts reduce maintenance requirements
- Long service life in telecom and industrial environments
- Robust construction for continuous operation
Flexible system integration
- Suitable for cabinets and shelter installations
- Can be combined with air conditioners or heat exchangers in hybrid systems
- Adaptable to varying environmental conditions
Choosing the right free cooling approach
Free cooling systems rely on ambient air conditions and airflow design. The right solution depends on environmental conditions, enclosure requirements, and cooling demand.
Ventilation-based cooling
Uses filtered ambient air to remove heat from enclosures.
Controlled airflow systems
Designed to regulate airflow and maintain stable internal conditions.
Hybrid cooling setups
Can be combined with air conditioners or other cooling systems for variable environments.
Free cooling systems – technical overview
Free cooling systems use ambient air to remove heat from electrical enclosures and equipment. By leveraging external air conditions, these systems provide a highly energy-efficient alternative to compressor-based cooling solutions
Free cooling is a cooling method that uses external air to reduce the temperature inside an enclosure or system. Air is drawn into the enclosure, passes over heat-generating components, and is expelled to remove heat.
Because free cooling systems introduce ambient air into the enclosure, they are typically used in environments where air quality and contamination risk are controlled.
Free cooling systems and heat exchangers both provide energy-efficient cooling, but they operate differently.
- Free cooling systems use ambient air directly inside the enclosure
- Heat exchangers use a closed-loop design that separates internal and external airflows
Free cooling is effective when air quality and environmental conditions allow direct airflow into the enclosure.
Free cooling systems and air conditioners serve different cooling needs.
- Free cooling is ideal when ambient temperatures are lower than internal enclosure temperatures
- Air conditioners provide active cooling when ambient conditions are too warm or heat loads are high
Free cooling is suitable when:
- Ambient temperature supports effective cooling
- Air quality is acceptable for enclosure environments
- Energy efficiency is a priority
- Cooling demand is moderate
Free cooling systems are commonly used in:
- Outdoor telecom cabinets and shelters
- Broadband and fiber distribution nodes
- Industrial automation systems
- Energy infrastructure and grid systems
- Remote or off-grid installations
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