
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.