Pulse Of The Heat Exchanger

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Engineering Innovation Through Design, Simulation & Testing

At KRN, we combine advanced design engineering, thermal simulation, testing expertise, and innovative manufacturing technologies to deliver high-performance, cost-effective, and reliable heat exchanger solutions for HVAC&R applications.

Advanced Design Engineering

  • Experienced team of SolidWorks-qualified designers
  • Advanced 3D modeling and product development
  • Custom coil and heat exchanger designs
  • Faster product development and reduced time-to-market
  • Improved performance and manufacturability

Enhanced
Performance

Reduced
Development Time

Optimized
Manufacturing

Faster
Time-to-Market

Simulation & Optimization

  • Thermal performance simulation
  • Energy efficiency optimization
  • Pressure drop analysis
  • Design validation
  • Reduced prototype cost
  • Improved operational reliability

98%

Simulation Accuracy

30%

Faster Development

22%

Cost Saving Potential

Improved
Energy Efficiency

Cost Optimization Through Innovation

Micro-Grooved Copper Tube Technology for Higher Efficiency & Lower Cost

7.94 mm

Micro-Grooved Tube

5 – 7%
Cost Saving

7.00 mm

Micro-Grooved Tube

14 – 17%
Cost Saving

6.35 mm

Micro-Grooved Tube

18 – 22%
Cost Saving
9.52 mm
(Conventional)
→
7.94 mm
→
7.00 mm
→
6.35 mm
(Micro-Grooved)
  • Lower copper consumption
  • Reduced product weight
  • Enhanced heat transfer
  • Lower manufacturing cost
  • Equivalent or improved performance
TRL Laboratory

Advanced Testing & Validation Facility

Thermotech Research Laboratory (TRL)

KRN partners with TRL – an AHRI-certified testing facility – to validate performance, ensure reliability, and support global compliance for HVAC&R products.

AHRI-Compliant Testing
Low-GWP Refrigerant Testing
Global Certification Support
Performance & Efficiency Validation
Faster Certification Process
Reduced Development Costs

Comprehensive Testing Capabilities

Core Equipment

  • Coils
  • FCUs
  • AHUs

AC Systems

  • Window AC
  • Split AC
  • VRF Systems
  • Ducted Units
  • Packaged Units

Advanced Systems

  • Heat Pumps
  • Chillers
  • Precision AC
  • Transport AC

Performance Testing

  • Airflow (150 – 16,000 CFM)
  • Cooling Capacity
  • Efficiency Testing
  • Pressure Drop Analysis
  • Reliability Assessment

Refrigerants

  • R32
  • R454B
  • R290

Outcome

Reliable performance,
energy efficiency &
global compliance

Simulation and Cost Comparison Data Sheet

Sr.No Model Name Pitch Geometry Tube Thickness Fin Thickness Tubes Per Row Row Circuit FPI Fin Length Fin Width Fin Height Airflow Air Side Pressure Drop Refrigerant Pressure Drop Capacity Cost Saving
1 KRN-001 9.525 mm 0.28 0.105 36 2 8 14 1700 44 914.4 12000 28 26.7 21.9 ↓
2 KRN-001 7.94 mm 0.28 0.105 36 2 10 16 1700 38.1 914.4 12000 25 33.23 21.3 (5–7%)
3 KRN-001 7.00 mm 0.24 0.105 36 2 15 16 1700 43.3 900 12000 24 17.97 21.91 (14–17%)
4 KRN-001 6.35 mm 0.25 0.105 48 2 17 16 1700 33 914.4 12000 26 22.41 20.73 (18–22%)
KEY OUTCOMES
Equivalent Cooling Performance
Reduced Material Usage
Lower Manufacturing Cost
Improved Heat Transfer Efficiency
UP TO

22%

COST REDUCTION

WHY CHOOSE KRN?

End-to-End Engineering Support Under One Roof

Design

→

Simulation

→

Optimization

→

Testing

→

Manufacturing

  • Integrated engineering approach
  • Advanced tools & technologies
  • Optimized performance & efficiency
  • Cost-effective solutions
  • Global standards & compliance
  • Customer-focused innovation