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50+ Years
experience
Trusted Industrial Pneumatic Door Solutions in Madison, WI
Founded in 1921 by University of Wisconsin graduate Louie Schoelkopf, Air-Lec Industries has pioneered the design and manufacturing of durable, high-quality pneumatic door operators for nearly a century. Our commitment to combining traditional craftsmanship with modern technology ensures every product meets exacting standards of reliability and performance. Headquartered in Madison, Wisconsin, we specialize in custom-engineered solutions for industrial, commercial, and specialized applications worldwide. Our product line includes swing, sliding, and over-center operators, as well as air-seal systems, designed to enhance efficiency in environments ranging from cold storage facilities to explosion-proof settings.

With every project, we uphold our core belief in American-made quality, treating customers as valued neighbors while delivering innovative door automation systems that stand the test of time. Our team of skilled representatives works closely with clients to select optimal solutions, ensuring seamless integration with diverse operational requirements. Backed by decades of experience, we continuously refine our manufacturing processes to meet evolving industry demands without compromising on durability or functionality. From initial consultation to installation support, our focus remains on providing dependable, long-term partnerships that prioritize customer satisfaction and operational excellence.
Services
Pneumatic Door Operators Cold Storage Doors Industrial Sliding Doors Explosion Proof Doors Custom Automation Solutions
Details
  • Year established: 1921
Highlights and features
  • We offer 100+ years of experience in industrial door automation systems.
  • Our products are proudly engineered and manufactured in the USA.
  • We provide specialized solutions for extreme environments like cold storage and chemical facilities.
  • Our systems require minimal maintenance with durable, long-lasting components.
  • We deliver customized door automation solutions tailored to specific operational requirements.
Services
Swing Operator
Air-Lec Swing Operators automate swinging and bi-folding doors up to 6 feet wide with adjustable 180 motion. Ideal for cold storage applications, these systems use pneumatic pistons to control door movement while accommodating manual operation. Each unit requires air-line installation and control kits for reliable performance in industrial settings.
Inertia Sliding Operator
Inertia Sliding Operators handle large doors from 5 to 30 feet wide with speed-adjustable operation. Designed for vehicle traffic and warehouse doors, these compact systems use dual-arm mechanisms to ensure smooth opening and closing. Installation requires air-line infrastructure and control components for automated industrial door applications.
Over-Center Operator
Over-Center Operators control single-panel and bi-parting sliding doors up to 6 feet wide. Installed over door frames, these systems use dual beams and pneumatic pistons for precise door movement. Commonly used in fire door applications, they require air-line connections and control systems for reliable industrial automation.
Pneumatic Air-Seal
Air-Seal systems create positive environmental seals for swinging doors when used with swing operators. These pneumatic seals prevent air leakage and frosting in cold storage environments while allowing manual operation. Installation requires parallel air-line connections to complement primary door automation systems.
Explosion Proof Doors
Explosion-proof door systems provide safe automation in chemical and hazardous environments. Engineered with specialized materials and pneumatic components, these doors meet safety standards for explosive atmospheres. Custom configurations ensure compliance with industry-specific regulations for industrial safety and operational efficiency.
People
Louie Schoelkopf
Founder
University of Wisconsin graduate who invented one of the first automatic door operators in 1921. His durable, easy-to-maintain designs laid the foundation for Air-Lec's century-long legacy in industrial door automation systems.
Questions
What industries use Air-Lec door systems?
Our systems serve cold storage facilities, manufacturing plants, chemical facilities, warehouses, and specialized environments requiring automated door solutions.
Are Air-Lec products made in the USA?
Yes, all our products are engineered and manufactured at our Madison, Wisconsin facility since 1921.
What door sizes can your operators handle?
Swing operators handle 3-6 foot doors, inertia sliding systems work on 5-30 foot doors, and over-center operators manage up to 6 foot doors.
Do you offer installation support?
We provide detailed installation requirements including air-line specifications and control system recommendations for professional installation.
Can your systems work in extreme environments?
Yes, we specialize in cold storage doors, explosion-proof systems, and industrial applications with challenging environmental conditions.
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