Universal Active Cooling for Solar Inverters
Looking for universal solar inverter cooling? Our active cooling kits help improve airflow and heat dissipation around solar inverters. Each compact, wall-mounted cooling strip features three Sunon fans and a 24V DC power supply.
Choose universal cooling with thermostat for automatic temperature-based fan control, or a version without thermostat for external switching and automation. The separate wall-mounted design makes these kits suitable for a wide range of installations, subject to available space and airflow requirements.
Universal Active Cooling for Solar Inverters
Solar inverters generate heat during operation. Especially under high loads and in warm environments, effective heat dissipation is important. Universal active cooling for solar inverters uses fans to improve airflow around the inverter and help remove excess heat.
Unlike cooling systems designed for a specific inverter model, our universal cooling strip is mounted separately on the wall. It can therefore be used with a variety of inverter brands and models, provided that the installation space and airflow arrangement are suitable.
Depending on operating and installation conditions, active cooling may help reduce inverter temperatures by approximately 15–30°C. This is an indicative range based on particular operating conditions, not a guaranteed result for every inverter.
Universal Cooling With or Without Thermostat?
We offer two versions of universal cooling, depending on how you prefer to control the fans:
- Universal Inverter Cooling Kit With Thermostat – automatically switches the fans on and off according to the temperature measured by an external sensor. The standard settings are ON at 40°C and OFF at 35°C.
- Universal Inverter Cooling Kit Without Thermostat – allows external switching using a suitable smart plug, timer, automation system or manual power control.
For automatic operation based on inverter temperature, we recommend the thermostat version. If you already have a suitable external control system, the version without thermostat may be a better choice.
Which Solar Inverters Are Compatible?
The universal cooling strip is intended for installations where additional airflow can be directed effectively around the inverter. It may be useful when a model-specific cooling kit that attaches directly to the inverter's cooling fins is not available.
Before ordering, check the following:
- Sufficient space below or near the inverter for the cooling strip.
- A suitable wall surface for safe and secure mounting.
- The direction of airflow relative to the inverter's cooling surfaces and ventilation openings.
- The inverter manufacturer's ventilation requirements and minimum installation clearances.
- Access to a suitable electrical outlet for the supplied 24V DC power adapter.
Universal does not mean compatible with every inverter. Suitability depends on the inverter design, available installation space and airflow arrangement. If you are unsure, please contact us before ordering.
Sunon Fans and Technical Specifications
Our universal cooling kits use three Sunon 60 mm fans with Vapo (MagLev) technology. The compact cooling strip is designed for independent wall mounting.
- Number of fans: 3 × Sunon 60 mm
- Fan technology: Vapo (MagLev)
- Total airflow: 138 m³/h
- Fan noise level: Approximately 31 dBA
- Operating voltage: 24V DC
- Power connector: 5.5 × 2.1 mm
- Power consumption while running: Approximately 7 W
- Cooling strip dimensions: 430 × 40 × 70 mm
- Thermostat: ON at 40°C, OFF at 35°C (thermostat version only)
A suitable 24V DC power adapter is included with both versions. Please check the individual product pages for exact package contents and variant-specific details.
Wall-Mounted Installation
The universal cooling strip is mounted on the wall, typically below the inverter, where its airflow can support heat dissipation. It does not require opening the inverter or modifying its internal electronics.
Mounting screws and wall plugs are not included. Suitable fasteners must be selected according to the wall material and installation conditions.
With the thermostat version, the separate temperature sensor is positioned on a suitable area of the inverter. The thermostat housing can be attached using the supplied 3M double-sided adhesive tape.
Before applying the tape, clean and degrease the mounting surface. The recommended minimum application temperature is 15°C. The thermostat and cooling strip are connected by an approximately 2 m cable.
Always follow the cooling kit installation instructions and the inverter manufacturer's requirements for ventilation and operating conditions.
Why Use Active Cooling for a Solar Inverter?
High operating temperatures can increase thermal stress on electronic components. Some inverters may also reduce their output under certain temperature conditions to protect internal components.
Active cooling may help:
- Improve heat dissipation during periods of high inverter load.
- Reduce operating temperatures, depending on installation conditions.
- Limit thermal stress on electronic components.
- Reduce the likelihood of temperature-related power derating in suitable conditions.
Active cooling does not replace correct inverter placement, adequate ventilation or compliance with the manufacturer's minimum clearances.
Frequently Asked Questions About Universal Inverter Cooling
Is universal cooling suitable for every solar inverter?
Not automatically. Compatibility depends on the inverter design, available space and the possibility of directing airflow effectively around the device.
What is the difference between cooling with and without a thermostat?
The thermostat version switches the fans automatically according to the measured temperature. The version without thermostat requires external switching or another suitable fan control method.
Does installation require modifying the inverter electronics?
No. The universal cooling system is designed for separate external wall mounting. There is no need to modify the inverter's internal electronics.
How much can active cooling reduce inverter temperature?
Depending on installation and operating conditions, the temperature reduction may be approximately 15–30°C. Individual results are not guaranteed.
How is the cooling system powered?
The cooling kit operates on 24V DC. A suitable power adapter is included.
Are mounting screws and wall plugs included?
No. Mounting hardware must be selected according to the wall material and the specific installation.
Need Help Choosing Universal Inverter Cooling?
If you are unsure whether the universal cooling strip is suitable for your inverter, please contact us with your inverter model and installation details.
You can also explore our solar inverter cooling efficiency graphs for more information about cooling performance.
