IT and precision cooling

Benefit from our many years of experience in the use of modern and tailor-made air conditioning technology in data centers and server rooms. We support you with reliable precision air conditioning technology – for new constructions, expansion or refurbishment of air conditioners. COOLtec is your partner for holistic air conditioning concepts. We use the latest technologies to ensure maximum availability, best plant efficiency and the best possible environmental compatibility.

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The close control units are available in chilled water and direct evaporator versions. These are used especially in data centers, server rooms or test laboratories. Thus, constant temperatures and humidity, continuous air exchange and high operational reliability 24/7 are ensured.

Our systems: Chilled water (CW) and direct expansion (DX)

Main features

Precise temperature control: Close control units can control and maintain temperatures within a very narrow range.

Humidity control: In many applications, humidity control is just as important as temperature control.

Safety: The cabinets are equipped with alarms and safety devices to warn users if the environmental conditions are outside the desired parameters.

Energy efficiency: Modern precision climate chambers are designed to be energy efficient in order to minimize energy consumption and reduce operating costs.

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Rack-Cooling

A compact solution not only for small data centers.

The challenge for data centers and server rooms is the increasing heat loads on the one hand and an energy-conscious and efficient use of air conditioning solutions on the other hand. Compact solutions are becoming increasingly popular for reasons of space, and more and more attention is also being paid to design.

Choosing the right cooling technology depends on several factors, including the size of the data center, the type of hardware used, the environment and the energy efficiency goals. In recent years, energy efficiency has become increasingly important in data centers as the cost of energy and environmental impact increases.

Overall, precision air conditioning cabinets and rack coolers are essential tools in many industries where precise control over environmental conditions is required.

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Chilled water perimeter mounted units (CW)


Capacity: 15-260 kW

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Air condensed perimeter mounted units (DX)

Capacity: 6-135 kW

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Chilled water perimeter mounted units with underfloor fans (CW)

Capacity: 70-375 kW

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Air condensed perimeter mounted units with modulating compressors (DX)

Capacity: 10-150 kW

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FanWall air conditioners




Capacity: 45-460 kW

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Chilled water rack cooler (CW)


In-Row and In-Rack
Capacity: 20-60 kW

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Air condensed rack cooler (DX)


Capacity: 12-50 kW

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Mini rack cooler
CW and DX


Capacity: 3-9 kW

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Monitoring & control


System optimizing and operational stability