
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.

Ensure Growth
- Place the right people in the right roles to drive success.
- Focus on cost efficiency while maintaining high standards.
- Create clear procedures to solve problems and make sound decisions.
Certified Expertise and Awards
Han On Sdn Bhd is a certified contractor accredited by the Construction Industry Development Board (CIDB) Malaysia. Our registration complies with the requirements outlined in Section VI of the Malaysian Construction Industry Development Board Act 1994, demonstrating our adherence to rigorous industry standards and regulatory conditions.
With this certification, we are fully equipped to manage and execute large-scale construction and mechanical projects across residential, commercial, and industrial sectors. While we continue to excel in air conditioning and mechanical ventilation (ACMV) works, Han On has expanded its expertise to include additional mechanical services such as fire fighting systems, plumbing, and building management systems (BMS).
Our multidisciplinary capabilities allow us to provide comprehensive, high-quality solutions, ensuring projects are delivered efficiently, safely, and in line with client specifications. At Han On Sdn Bhd, we remain committed to exceeding expectations through innovation, reliability, and industry-leading standards of workmanship.
Awards
| Year | Awards & Recognition | Presented by |
|---|---|---|
| 2023 | 500K Dollar Sales 2023 | Mitsubishi Electric |
| 6th Consecutive Years Million Ringgit Sales | Daikin Malaysia | |
| 9th Consecutive Year Million Dollar Sales | Acson Malaysia | |
| 2022 | Star Role Model Enterprise | PUMM |
| 8th Consecutive Year Million Dollar Sales | Acson Malaysia | |
| 5th Consecutive Years Million Ringgit Sales | Daikin Malaysia | |
| 2021 | 7th Consecutive Year Million Dollar Sales | Acson Malaysia |
| 3rd Consecutive Year Million Ringgit Sales | Panasonic Malaysia | |
| 3rd Consecutive Year Million Dollar Sales | Mitsubishi Electric | |
| 4th Consecutive Years Million Ringgit Sales | Daikin Malaysia | |
| Role Model Recognition | PUMM | |
| 2020 | 6th Consecutive Year Million Dollar Sales | Acson Malaysia |
| 3rd Consecutive Years Million Ringgit Sales | Daikin Malaysia | |
| 2nd Consecutive Year Million Dollar Sales | Mitsubishi Electric | |
| 2019 | 5th Consecutive Year Million Dollar Achiever | Acson Malaysia |
| 2nd Consecutive Year Million Ringgit Sales | Daikin Malaysia | |
| 1st Year Million Dollar Sales Achievement | Mitsubishi Electric | |
| 2nd Consecutive Year Million Ringgit Sales | Panasonic Malaysia | |
| 2018 | 4th Consecutive Year Million Dollar Achiever | Acson Malaysia |
| 1st Year Million Ringgit Sales Achievement | Daikin Malaysia | |
| 2017 | 3rd Consecutive Year Million Dollar Achiever | Acson Malaysia |
| 1st Year Million Ringgit Sales Achievement | Panasonic Malaysia | |
| 2016 | 2nd Consecutive Year Million Dollar Achiever | Acson Malaysia |
| 2015 | 1st Year Million Dollar Achiever | Acson Malaysia |
History & Growth
2024 and beyond
Han On Sdn Bhd is focused on strengthening its reputation as a trusted and dependable provider of comprehensive mechanical and air-conditioning solutions. We aim to expand our market presence and enhance operational efficiency while upholding our commitment to sustainability, customer satisfaction, and innovation. By broadening our expertise to include fire fighting, plumbing, and building management systems, HOSB continues to evolve as a full-service mechanical contractor, delivering integrated solutions that meet the diverse needs of our clients.2023

Achieved over RM22.4 million in annual revenue, marking a remarkable 123.97% growth compared to 2022, driven by the successful execution of large-scale projects and improved client retention.2021
HOSB recognized by CIDB as a G7 Contractor to provide installation and maintenance services covering the residential, industrial, and industrial sectors.2019
HOSB successfully secured a substantial contract valued at RM15.0 million, marking a significant milestone in its growth.2018

HOSB opened a retail outlet to serve customers in high-demand areas, increasing market presence.2017
HOSB continued its expansion in the project sector, securing a total contract value of RM14.0 million.2016

Aconman established for better brand image and identity.2015

HOSB appointed as the Nominated Sub Contractor to supply and install A/C units in One South, Seri Kembangan.2013
HOSB hit revenue above RM3.0 million and opened its first office and warehouse at Puchong Utama.2011

Hang On Enterprise renamed to Han On Sdn. Bhd.2010
Hang On Enterprise experienced increased business momentum, leading to a growth in manpower to 12 staff members.2009
With humble beginnings, Hang On Enterprise was founded with just 3 staff members, focusing on supplying, installing, and servicing air conditioners across the Klang Valley.





