
Delivering Excellence in Integrated Mechanical & Building Solutions
Han On Sdn. Bhd. (HOSB) has established itself as a premier provider of comprehensive mechanical engineering solutions, serving the residential, commercial, and industrial sectors. With a legacy of excellence since 2009, HOSB is renowned for its expertise in managing complex, multi-disciplinary projects with precision and reliability.
While our foundation was built on industry-leading Air-Conditioning and Mechanical Ventilation (ACMV) solutions, we have strategically expanded our capabilities to offer a full suite of building services. Our expertise now encompasses Fire Fighting Systems, Plumbing and Sanitary works, and advanced Building Management Systems (BMS).
As an Authorized Dealer for world-leading brands—including Acson, Daikin, Panasonic, Mitsubishi, Samsung, Trane, and Midea—we continue to deliver top-tier retail supply and technical solutions tailored to meet diverse client needs.
Backed by years of technical experience and a CIDB G7 registration, HOSB is committed to delivering exceptional project execution, cost-effective engineering, and total customer satisfaction. Whether managing large-scale commercial developments or providing specialized maintenance services, HOSB is dedicated to creating efficient, safe, and integrated building systems that drive long-term value for our clients.
Our Mission
Our Core Values

Take Initiative
- Take initiative to complete tasks without waiting for instructions.
- Actively seek information to drive work forward.
- Stay determined, even when faced with challenges.
- Be proactive in addressing tasks and challenges.

Value Teamwork
- Support innovation and positive changes through collaboration.
- Share responsibility and work together to achieve common goals.
- Encourage open communication and the sharing of ideas.
Certification





