Project

We specialize in the supply, installation, testing, and commissioning of air-conditioning systems for commercial and residential developments. As a nominated subcontractor, we focus on delivering cost-effective, efficient and high-quality solutions to ensure smooth project execution.

Project

We specialize in the supply, installation, testing, and commissioning of air-conditioning systems for commercial and residential developments. As a nominated subcontractor, we focus on delivering cost-effective, efficient and high-quality solutions to ensure smooth project execution.

Service & Maintenance

Our experienced technicians offer professional servicing and maintenance to keep air-conditioning systems running optimally.

  • Routine servicing for peak performance and energy efficiency
  • Chemical cleaning & overhaul for deep maintenance
  • Repairs & troubleshooting to restore functionality
  • Gas refilling & spare parts replacement
  • Maintenance contracts for long-term reliability

Service & Maintenance

Our experienced technicians offer professional servicing and maintenance to keep air-conditioning systems running optimally.

  • Routine servicing for peak performance and energy efficiency
  • Chemical cleaning & overhaul for deep maintenance
  • Repairs & troubleshooting to restore functionality
  • Gas refilling & spare parts replacement
  • Maintenance contracts for long-term reliability

Retail

HOSB supplies a wide range of air-conditioning units, spare parts, and accessories, ensuring industry professionals have access to the products they need. We offer competitive pricing for bulk purchases, maintain reliable stock availability to minimize downtime and prioritize quality by supplying genuine parts where available.

At HOSB, we are committed to delivering quality air-conditioning solutions with expert service and trusted products—ensuring comfort, efficiency and peace of mind for every customer.

Retail

HOSB supplies a wide range of air-conditioning units, spare parts, and accessories, ensuring industry professionals have access to the products they need. We offer competitive pricing for bulk purchases, maintain reliable stock availability to minimize downtime and prioritize quality by supplying genuine parts where available.

At HOSB, we are committed to delivering quality air-conditioning solutions with expert service and trusted products—ensuring comfort, efficiency and peace of mind for every customer.

Get in Touch with Us Today!

At Han On Sdn Bhd (HOSB), we provide reliable and high-quality air-conditioning solutions across Projects, Service and Retail. Our commitment to efficiency, professionalism and customer satisfaction ensures that homes and businesses stay cool and comfortable with the right solutions.