heat 11 GmbH & Co. KG
About us
We develop smart, efficient and reliable heat transfer systems - for an optimal energy supply for your processes.
This will lower your operating costs, reduce emissions and boost your competitiveness.
Together, we are shaping the industrial transformation - for a sustainable and economically resilient future.
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Address
Otto-Brenner-Straße 203
33604 Bielefeld
Germany
E-mail: contact@heat11.com
Phone: +49 521 989 110 0
Internet: www.heat11.com/
Products & Services
We develop, build, and deliver customized thermal oil systems for industrial processes – with a clear focus on efficiency, reliability, and both technical and economic safety. Our portfolio in the field of process heat includes:
System Solutions for Industrial Process Heat
Thermal Oil Systems
Industrial process heat supply via nearly pressureless heat transfer up to 350 °C as standard, or up to 450 °C in special configurations. Scalable systems based on a modular design approach:
Temperature range: –100 °C to +450 °C
Output range: 50 kW to 30,000 kW
Design and implementation according to DIN 4754, Pressure Equipment Directive 2014/68/EU, Machinery Directive 2006/42/EC
Technological Advantages of Our Thermal Oil Systems
Nearly pressureless process heat supply up to 350 °C (standard) or 450 °C.
Central heater stations for safe, low-maintenance, and explosion-protected operation.
Direct and indirect heating: central or decentralized solutions optimized for safety, efficiency, and availability.
Highly precise and reproducible temperature control at the point of use.
Low corrosion risk and long service life thanks to high-grade thermal oils.
High flexibility for retrofits, modernization, and system expansions.
“With our system solutions in plant engineering, we deliver cross-technology process heat concepts – reliable, efficient, and tailored to your needs.
The success of our projects is based not only on smart technical design, but also on our commitment to quality, safety, and compliance at every stage of production.”
Electric Heaters for Thermal Oil Systems
Electric heating solutions with nearly 100% efficiency:
Electrification of thermal oil systems to reduce CO₂ emissions and support industrial decarbonization.
High efficiency and precise control of heat transfer enhance energy performance and reduce operating costs.
heat 11 electric heaters offer a sustainable primary energy alternative for energy-efficient production processes.
Fired Thermal Oil Heaters (Thermal Oil Boilers)
High-efficiency systems based on fossil or alternative fuels:
Primary heating using gas, oil, or hydrogen – designed for high thermal output and cost efficiency.
Integration of air preheaters and heat recovery systems for thermal efficiencies above 90%.
Reduction of fossil fuel consumption and CO₂ emissions through targeted waste heat utilization.
Heating-Cooling Systems
Combined systems for precise temperature control:
Heating, cooling, and deep-freezing in one system using a single heat transfer medium.
Temperature ranges from –100 °C to +450 °C depending on requirements and fluid.
Secondary Circuits & Pump Groups
Flexible systems for customized supply of different consumers:
Secondary loops for independent temperature control of individual machines or subsystems.
Pre-assembled pump groups for controlled cooling and minimal pressure loss.
Containerized Solutions
Transportable, pre-installed complete systems:
Compact units for flexible use in limited spaces or temporary applications.
Efficient implementation through modular construction and fast on-site commissioning.
