Engineering Trust

At KRNSPH, we combine the legacy of KRN Heat Exchanger & Refrigeration Ltd. with fresh vision to deliver high-performance bus air-conditioning systems and emergency-exit hatch solutions for transport, urban & mobility sectors.

THE CORE OF

KRNSPH

Trusted Manufacturing Heritage

+ Startup Agility

India-based Production Global Quality Mindset

Strong, efficient and fully aligned with transport safety regulations

Customised Bus AC Systems + Emergency Exit Hatch Assemblies

Designed for Transport OEMs, Urban Bus Fleets and Mobility Integrators

A complete range of climate-control and safety products built for buses, fleets and mobility OEMs.

BUS
Air Conditioning
System

Emergency-Exit
Hatch/Roof Hatch

Heat
Exchangers

Battery Cooling System (BCS)

We deliver specialised air-management solutions built for demanding mobility sectors.

From public transport to defence platforms, our systems focus on dependable cooling, smart energy use and long-term operational value. We develop dedicated setups for electric and diesel buses, railway applications, transport cooling units, mission-ready defence HVAC modules and next-generation thermal systems for EVs.

With KRN’s legacy and Sphere’s innovation-driven approach, KRNSPH brings a new standard of quality to bus air-conditioning and emergency-exit systems. Our focus is simple — consistent performance, stronger safety, and trusted dependability.

Safety-Driven
Design

High-quality emergency exit solutions aligned with transport safety requirements.

Efficiency Optimized

Energy-smart systems engineered to reduce load while improving overall performance.

Manufacturing Excellence

Built on KRN’s proven production standards for durability and long service life.

At KRNSPH, our responsibility doesn’t end at delivery. We ensure every AC unit and emergency-exit system continues to operate smoothly throughout its lifecycle. Our after-sales support is structured to maximize uptime, reduce service delays and keep your fleet running without interruption.

Our Commitment to
Sustainable Engineering &
Responsible Growth

At KRNSPH, we prioritise sustainable engineering across all our products. From energy-efficient AC systems to lightweight emergency hatches, every solution is developed to reduce environmental impact while improving operational efficiency.

We also take responsibility beyond manufacturing. Our commitment includes community support, skill enhancement initiatives and efforts to promote safe, responsible mobility across the industry.

Hear From Our
CUSTOMERS