High-performance ACMV and mechanical systems for Singapore's most demanding industrial environments — from semiconductor fabs to pharmaceutical facilities.
Established in 1997, 3H Airconditioning & Engineering is a premier single-source ACMV provider for Singapore's mission-critical semiconductor, pharmaceutical, chemical, and electronics facilities.
We deliver complete lifecycle execution — from precision system design and turnkey installation to preventive maintenance and heavy plant overhauls — with zero compromise on safety or compliance.
Specialised air handling, cleanroom ventilation, and chiller plant execution for high-tech manufacturing environments.
ISO 9001/14001/45001 and bizSAFE Star certified management covering design through 24/7 technical field maintenance.
Years of Engineering Excellence in Singapore
Specialised engineering expertise tailored for high-stakes cleanrooms, semiconductor fabs, pharmaceutical plants, and precision electronics facilities across Singapore.
Complete operational coverage across the full equipment lifecycle — eliminating contractor fragmentation and ensuring total accountability from turnkey design to field maintenance.
Full statutory alignment with BCA licensing, triple ISO quality management frameworks, and bizSAFE Star safety protocols embedded into daily site supervision.
Decades of continuous execution trust for Singapore's most demanding industrial facility operators, including GlobalFoundries, Micron, and DSO National Laboratories.
Turnkey design, supply, installation, testing, and commissioning of heavy industrial air conditioning and mechanical ventilation systems. We specialise in water-cooled chillers, AHUs, FCUs, cooling towers, chilled/condensing water piping, cleanroom DX piping, and industrial ductwork.
Complete power distribution from main distribution boards (MDBs) to onsite equipment, specialised signal cabling, control wiring, and commercial lighting.
Scheduled servicing programmes tailored to industrial cooling and ventilation systems to maximize uptime, efficiency, and compliance.
Field M&E supervision, procedure generation and qualification, airflow balancing, and complete project oversight through to formal handover.
Trusted by Singapore's leading industrial and commercial facility owners since 1997.
| Year | Project |
|---|---|
| 2026 | Chiller Replacement & Temporary Rental of Water-Cooled ChillersColiwoo Midtown |
| 2025 | Chiller Replacement & Temporary Rental of Water-Cooled ChillersDSO National Laboratories |
| 2025 | Chiller Replacement & AHU System UpgradeJalan Besar Plaza |
| 2025 | CKD, Replacement & Installation of Water-Cooled ChillersGlobalFoundries Fab 2 |
| 2025 | Water Box Relocation & Pipe Modification WorksThe Concourse |
| 2024 | Delivery & Installation of Water-Cooled ChillersMicron Fab 10X |
| 2024 | Cooling Tower Replacement & InstallationJalan Besar Plaza |
| 2024 | Replacement & Installation of Water-Cooled ChillersAlfa Centre |
| 2023 | Delivery & Installation of Water-Cooled ChillersMicron Fab 10A2 |
| 2022 | Delivery & Installation of Water-Cooled ChillersMicron Fab 10A1 & 10A2 |
Customer-focused governance designed to ensure zero downtime, safety compliance, and precision execution across every client engagement.
Comprehensive oversight from initial planning through site execution, with three structured phases: Project Definition, Planning, and Implementation — from inception to formal handover.
A zero-incident priority through bizSAFE Star protocols. Executive oversight, regulatory alignment, mandatory induction for all personnel, and proactive hazard identification on every worksite.
Three-pillar QA framework: Excellence in delivery, Compliance with ISO and statutory standards, and a Culture of continuous improvement — embedded into every solution, not just end-of-project inspections.
Continuous technical upgrading and workforce competency development. All site personnel and sub-contractors undergo rigorous safety induction and skill qualification before site mobilisation.
Reach out for project enquiries, maintenance contracts, or technical consultations. Our team is ready to deliver engineered solutions for your facility's needs.