Battery Storage System – Using Solar Energy Around the Clock

To make use of the solar power generated by our rooftop photovoltaic system not only during daylight hours but also in the evening and at night, we commissioned a battery storage system with a capacity of 200 kWh. During the brighter months of the year, the battery even compensates for short-term fluctuations whenever clouds temporarily reduce solar generation. This allows us to further increase the share of renewable energy used in our production processes and reduce carbon emissions.

50 Years of Refrigeration Expertise - In August 2025, WEISSHAAR celebrates its 50th anniversary.

What began as ideas on paper, exciting projects and ambitious challenges has grown into five decades of experience in refrigeration, process cooling and air conditioning technology.

We owe this milestone above all to our customers, employees, suppliers and business partners. Thank you for your trust, commitment and long-standing cooperation. Together we have written five decades of company history, and we look forward to the chapters still to come.

"Some say we simply have refrigeration in our blood. After 50 years, we are no longer arguing."

Flood Protection Barriers Against Rising Waters

In July 2024, severe flooding once again caused significant damage in the village of Klüt, Germany. The event followed another major flood only one year earlier, which had already severely affected homes and basements throughout the community.

One of our employees, Alexander, lives in the center of the village. His ground floor and living room were flooded and covered with mud for the second time within just one year.

These events highlighted the importance of effective flood protection measures and community support during increasingly frequent extreme weather events.

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Weisshaar presents "The Chevy"

Our restoration project has been completed. Our company mascot, a 1964 Chevrolet C10 pickup truck, has been fully restored and upgraded.

The project created many memorable moments for our team and demonstrated what can be achieved through enthusiasm, craftsmanship and cooperation.

In our film The Chevy, visitors can follow the entire journey from restoration to the finished vehicle.

zum Film

Zur Cup-Challange

Solar Power for Our Manufacturing Operations

In 2022, our photovoltaic system was completed.

The system enables us to generate enough electricity over the course of a year to cover the energy demand of our manufacturing operations. By producing refrigeration equipment using renewable energy generated on-site, we further improve the sustainability of both our production processes and our products.

Photovoltaikanlage

Dehumidifiers for the Ahr Valley Flood Recovery

Following the catastrophic floods that struck the Ahr Valley region of western Germany in July 2021, thousands of homes and businesses suffered extensive damage.

Our colleague Thorsten dedicated several weekends and vacation days to support recovery efforts on-site. Through the deployment of drying equipment and practical assistance, he helped affected families begin rebuilding their homes and lives after one of Germany's most devastating natural disasters in recent history.

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Since 1991: Cooling Equipment in a Steel Mill

Some equipment proves its quality over decades.

This refrigeration unit has been cooling a crane operator's cabin and its electrical systems in a steel mill since 1991. The installation operates under extremely demanding conditions, including temperatures of up to 80°C (176°F), heavy dust exposure, shocks and constant vibration.

More than three decades later, it continues to demonstrate the durability required for industrial environments.

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The Coolness Factor Project

As a company committed to vocational training and the development of young talent, we wanted to create something motivating during the challenging period of the COVID-19 pandemic.

Together with our apprentices and employees, we launched the Coolness Factor project, restoring a 1964 Chevrolet C10 pickup truck.

At the same time, we introduced the Cup Challenge, a promotional campaign in which participants could win a weekend experience with the restored Chevrolet, including hotel accommodation for two people.

Trailer The "Cup Challenge" by Weisshaar

New Enterprise Resource Planning System

WEISSHAAR implemented a new enterprise resource planning (ERP) system.

The new platform improves collaboration with customers and suppliers by streamlining business processes, increasing transparency and enhancing operational efficiency.

Working Together Against COVID-19

During the COVID-19 pandemic, WEISSHAAR developed a high-performance ventilation unit for larger indoor spaces.

Equipped with an H14 high-efficiency particulate air filter, the system removes airborne contaminants and significantly reduces the concentration of potentially harmful particles and pathogens in the surrounding air.

Service Team Overcomes Pandemic Travel Restrictions

Despite extensive international travel restrictions during the COVID-19 pandemic, our service team successfully supported commissioning activities for customers in the food industry.

With assistance from the German Chambers of Commerce Abroad, we were able to provide critical start-up support for urgently needed production facilities. Thanks to the dedication and flexibility of our team, several important projects were completed despite exceptionally difficult circumstances.

KTG 145 Cabin Cooling Unit

WEISSHAAR introduced the KTG 145, a compact cabin cooling unit designed for installations with limited available space and existing equipment cut-outs.

Although compact in size, the unit features a high-quality Bitzer compressor and is specifically engineered for moderate steel plant environments requiring robust and reliable cooling performance.

Drying System for Stationary Fuel Cells

WEISSHAAR developed a drying system for the exhaust air of stationary fuel cell installations.

The technology improves overall system efficiency while enabling fire safety requirements to be met more economically than with conventional solutions. This innovation contributes to making stationary fuel cell applications more commercially attractive and practical for industrial use.