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Category: Air technology

Roof hoods for manhole ventilation with CE certificate

The long throw nozzles are ideal for use in large and high rooms, such as concert halls, theaters, museums, airports, shopping malls and factory halls 

The ventilation grilles for installation in the floor (floor grilles) offer the ideal way to ventilate or aerate a room without taking up too much space, while maintaining an elegant appearance.

Ventilation systems play a central role in modern buildings and industrial plants. They ensure a healthy and efficient indoor climate, optimize air quality and contribute significantly to the comfort and safety of users. rotec GmbH Berlin, as an experienced specialist in metal processing, offers high-quality solutions in this area, which not only impress with their functionality, but also with their quality.

With over 35 years of experience in the industry, rotec has established itself as a leading supplier of ventilation systems. Our range includes a wide spectrum of products, from ventilation grilles to weather protection grilles, louvred façades and specialized solutions such as RC2 burglar-resistant ventilation grilles for night cooling. This diversity enables us to supply tailor-made solutions for the most diverse requirements of our customers - be it for schools, server rooms, data centers or other specific areas of application.

The quality of our products and services is the foundation of our success. rotec is proud to be recognized by several prestigious certificates, including DIN EN ISO 9001:2015, DIN EN 1090-1/2, EXC 1+2 and DIN EN ISO 3834-3. These certificates demonstrate our continuous commitment to the highest quality standards in production, metal processing and the implementation of customer-specific projects. They give our customers the certainty that with rotec they have a partner at their side who does not compromise on quality and reliability.

As a premium partner of the companies Renson and Grada from Belgium and with an extensive stock of around 1200 different types of sheet metal, rotec is able to react quickly and flexibly to the needs of the market. Our expertise in the

allows us to develop innovative and sustainable solutions for ventilation systems that are not only functional but also aesthetically pleasing.

In line with our anniversary this fall, which marks 35 years of excellence and innovation, rotec invites you to delve deeper into the world of air technology. Visit our blog at []( to find out more about our latest developments, projects and solutions in this field. There we share our expertise, offer insights into our work processes and show how our products help to meet the demands of modern architecture and industrial requirements.

Let us convince you of the quality and innovative power of the ventilation systems from rotec. We are your ideal partner for a healthy, safe and efficient indoor climate.


Express production at rotec: convincing speed - Renson ventilation grilles in 48 hours

In these fast-moving times, time is a precious commodity. This applies not only to everyday life, but also to the construction and industrial sectors in particular. Delays in projects can cause considerable costs and disrupt the entire schedule. This is precisely where rotec GmbH Berlin comes in with its innovative express production service. We deliver customized Renson ventilation grilles within 48 hours - a speed that is second to none.

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Aluminum floor grilles: Efficient ventilation in server rooms

A focus on application flexibilityIn the world of technology, where server rooms are at the heart of our digital infrastructure, efficient and reliable cooling is essential. This is where aluminum floor grilles play a crucial role. The AV500 model from Grada is a prime example of high-quality solutions that meet both technical and aesthetic requirements.

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Night cooling: Efficient air conditioning for buildings, schools and nurseries

Night cooling, also known as night cooling, is an innovative method of air conditioning for buildings, schools, kindergartens and homes that is used particularly in hot summer months. It is an environmentally friendly and cost-efficient solution that is primarily used in modern buildings such as data centers, schools, kindergartens and offices.

How night cooling works
Night cooling uses the cooler temperatures of the night to cool the interior of buildings. This natural method of building air conditioning reduces the need for artificial air conditioning, resulting in significant energy savings.

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Ventilation grilles and weather protection grilles production at rotec in Berlin

Equipping a roof hood with ventilation louvers Fabrication of ventilation louvers in special sizes Weather protection louvers Ventilation louvers Assembly Roof hoods with ventilation louvers Roof hoods with ventilation louvers made of aluminum Smoke extraction hood for a sloped roof The fascination of ventilation louvers: Excellence in manufacturing at rotec Berlin For anyone involved in any way with the use or processing of ventilation louvers, rotec is the right partner. Our expertise extends to 35 years of experience in the construction of ventilation grilles and weather louvers, and we are proudly celebrating our 35th anniversary this fall. Wide range of services for ventilation grilles rotec's range of services is comprehensive and versatile. We offer a wide product range,...

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The magic of night ventilation: how to keep your home cool and your energy costs low

night ventilation -night cooling burglar resistant ventilation grille3burglar resistant ventilation grille data center night ventilation -night cooling night cooling rotec Why night ventilation? Summer is here and temperatures are rising. While we all enjoy the warm days, the heat in our living spaces can become unbearable. That's where night ventilation comes in, an innovative solution that not only provides a comfortable indoor environment, but is also energy efficient. In this blog post, we explain what night ventilation is and why it could be the ideal choice for your home. What is night ventilation? Night ventilation is a system that brings cooler outdoor air into your home to lower the indoor temperature. Especially during the hot summer months,...

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Advantages of natural ventilation of underground garages

Natural ventilation of underground garages Example in Hamburg natural ventilation of parking garagesA stainless steel fly gauze prevents the penetration of vermin Natural ventilation of underground garages with rotec ventilation hood D40 underground garage ventilation in MunichVentilation hood for ventilation of underground garages Advantages of natural ventilation of underground garages and parking garages: A case study with the D40 ventilation hood from rotec Ventilation of underground garages and parking garages is a decisive factor for the safety and comfort of users. In addition to mechanical systems, natural ventilation has established itself as an efficient and economical alternative. This blog article discusses the advantages of natural ventilation of underground garages and presents...

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Underground garage ventilation with green roof hood

Underground garage ventilation in MunichVentilation hood for underground garage ventilation Underground garage ventilation with lamella type L.050HF Underground garage ventilation with Renson lamella L.050.HF The lamella provides natural ventilation and prevents the penetration of foliageThe roof hood is visually very nicely integrated into the surrounding landscape. Ventilation hood underground garageUnusual underground garage ventilation with the lamella L.050HF and green roof hood in Hamburg We all know how important it is to ventilate an underground garage efficiently to create a healthy and safe indoor climate. In today's blog post, we would like to introduce an innovative solution: An underground parking garage ventilation system realized with Renson's L.050HF louvre and a green roof canopy....

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Long throw nozzles from Grada ensure optimum air flow

grada SHORT PIPE SHOWERS Current offers for processors SHORT PIPE SHOWERS The long throw nozzles, type JD, are ideal for use in large and high rooms, such as concert halls, theaters, museums, airports, shopping centers, factory halls, etc. The aerodynamic shape reduces the noise level at high discharge velocities and achieves a large throw range. The nozzle can be swiveled over 360°. For changing supply air temperatures (cooling or heating), the nozzle can be directed either +30° upwards or -30° downwards. Grada long throw nozzles from rotec Berlin: Optimum air flow for shopping centers and sports halls IntroductionThe comfort and quality of indoor air in public facilities are more...

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Shaft smoke extraction for elevators

Mounting of the hood on the GRP baseThe GRP base is used for thermal separation between hood and roof Roof hood with 2-panel fire protection windowThe fire protection windows can be switched with any conventional SHEV control. Smoke extraction hood RW3000+ Shipping Smoke extraction hoodsShort delivery times are our strength Shaft smoke extraction for elevators with the RW3000+ roof hood: innovation in elevator construction The rotec RW3000 roof hood was developed in 2018 specifically for shaft smoke extraction for elevators on flat roofs. The motor of the closable roof hatch can be controlled by any on-site SHEV system or manually, allowing flexible control. Technical specifications The roof hatch consists of a double-walled GRP base, which provides thermal separation...

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