Pulse Of The Heat Exchanger

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.NoModel NamePitch GeometryTube ThicknessFin ThicknessTubes Per RowRowCircuitFPIFin LengthFin WidthFin HeightAirflowAir Side Pressure DropRefrigerant Pressure DropCapacityCost Saving
1KRN-0019.525 mm0.280.105362814170044914.4120002826.721.9
2KRN-0017.94 mm0.280.1053621016170038.1914.4120002533.2321.3(5–7%)
3KRN-0017.00 mm0.240.1053621516170043.3900120002417.9721.91(14–17%)
4KRN-0016.35 mm0.250.1054821716170033914.4120002622.4120.73(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