Case studies and selected client projects

Based on selected projects, our case studies show how punker supports system manufacturers from a wide range of industries in optimizing their ventilation systems.


Optimization of Cooking and Smoking Cabinets

  • 20% saving in axial installation space
  • Reduction in component diversity
  • 20% increase in energy efficiency 

Data Center Cooling

  • 10% higher efficiency
  • 1.4 dB[A] quieter
  • 18% less operational costs per year
  • Lower fire load of fan wheel

Car Wash Dryers

  • ~ 10% less electrical power in operating mode at same air velocity
  • Easier installation and maintenance due to smaller and lighter impeller
  • ~ 5 dB(A) quieter operation

Fan Wheels for Air Handling Units

  • Reduction of fan impeller variety by 90%.
  • Increase of energy efficiency of fan wheels for air handling units by 5%

Impellers for Wagon Baking Ovens

  • System failures due to imbalances eliminated
  • Significantly reduced complaint costs for customers
  • Reduced variant complexity
  • Freed up production capacity at the customer's site

Thermal Sludge Drying

  • One fan wheel type for all plants
  • 75% max. static efficiency
  • Reduction of component variety

Sports Hall Ventilation

  • 26% efficiency increase
  • – 3 dB sound pressure
  • 26% less power consumption
  • Newly designed ventilation system consisting of two fan units
  • Delivery of 200 pcs. within 3 months

Fans for UV Printing Technology

  • Compliance with ErP 2015
  • 14% efficiency increase
  • 2 dB noise reduction
  • Weekly delivery of complete units according to demand

Cross Flow Impellers for Mobile Air Conditioners

  • 10 dB quieter with the same volume flow
  • Combined cooling, heating, oscillation
  • Increase in units per shipping pallet

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Your success story with punker is missing here? We would be happy to work with you on a case study for our joint project. Write us!

Frederike Yilmaz

Head of Global Marketing & Communication


Gunnar Westphal

Marketing Manager EMEA & APAC