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

7.00 mm
Micro-Grooved Tube

6.35 mm
Micro-Grooved Tube


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

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.
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%) |
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