Mission Critical Chiller Plant Room
Est. 1997 · Singapore's Mission-Critical Cooling Specialists

Engineering
Precision.
Engineered
to Perform.

3H Airconditioning & Engineering delivers high-performance ACMV and mechanical systems for Singapore's most demanding industrial environments — from semiconductor fabs to pharmaceutical facilities.

Our Services Request a Quote
25+
Years in Operation
BCA✓
Registered Contractor
ISO✓
9001 · 14001 · 45001
biz★
SAFE Star Certified
Certified & Registered
BCA ME01 Grade L2 – ACMV BCA ME05 Grade L1 – Electrical SLOTS Registered ME01, ME02 bizSAFE Star ISO 9001 / 14001 / 45001
About Us

Your Trusted
Single-Source
Solution

Established in 1997, 3H Airconditioning & Engineering Pte Ltd was established as a single-source solution provider for facility owners within Singapore's mission-critical industrial sectors.

Our expertise spans the Semiconductor, Pharmaceutical, Chemical, and Electronics industries — sectors that drive Singapore's economic advancement. In 2002, we re-established as a Private Limited company to facilitate strategic growth and meet the rigorous demands of high-tech facility management.

With steadfast commitment to engineering excellence and meticulous attention to detail, every installation project is executed to the highest standards of quality and workmanship.

Mission-Critical Focus

Specialized expertise in semiconductor fabs, pharma plants, and cleanroom environments

Full Lifecycle Service

From system design and installation to preventive maintenance and upgrade works

Quality Assured

ISO 9001, 14001 & 45001 certified with robust QA embedded at every project phase

Safety First

bizSAFE Star protocols ensuring zero-incident environments on every worksite

3H Facility 1 3H Facility 2 3H Facility 3 3H Facility 4 3H Facility 5
Since 1997
25+

Years of Engineering Excellence in Singapore

What We Do

Our Engineering
Services

01
ACMV & Mechanical Services

Expert deployment and lifecycle management of air conditioning and mechanical ventilation systems. Chillers, AHUs, FCUs, and Cooling Towers. Specialized piping: Chilled Water, Condensing Water, DX Piping. Ducting fabrication: Steel and Thermoplastic for Exhaust, Ventilation, and ACMV.

Chillers AHU / FCU Cooling Towers DX Piping Ducting
02
Electrical Services

Comprehensive electrical installation for mission-critical and commercial facilities. Power Distribution from MDB to onsite equipment. Specialized Communication and Signal cabling. Installation of power points and commercial lighting systems.

MDB Cabling Power Distribution Signal & Control Lighting
03
Preventive Maintenance

Comprehensive lifecycle servicing programs tailored to industrial cooling and ventilation systems. Our maintenance protocols ensure maximum uptime, regulatory compliance, and extended equipment lifespan for mission-critical facilities.

Scheduled Servicing Lifecycle Management Compliance
04
Technical Management

Professional site and technical management including procedure generation and qualification, field M&E supervision, and comprehensive project lifecycle oversight from definition through planning to implementation and formal handover.

Procedure Generation M&E Supervision Project Management Handover
How We Operate

Our Operational
Directives

3H operates under a structured framework of directives — six pillars that govern our daily operations and guarantee consistency, safety, and quality on every project.

01 — Directive
Project & Site Management

Comprehensive oversight from initial planning through site execution, with three structured phases: Project Definition, Planning, and Implementation — from inception to formal handover.

02 — Directive
Safety Management

A zero-incident priority through bizSAFE Star protocols. Executive oversight, regulatory alignment, mandatory induction for all personnel, and proactive hazard identification on every worksite.

03 — Directive
Quality Assurance

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.

04 — Directive
Training & Qualifications

Continuous technical upgrading and workforce competency development. All site personnel and sub-contractors undergo rigorous safety induction and skill qualification before site mobilization.

05 — Directive
Human Resource Management

Professional development and ethical employee guidelines. We maintain a work environment that fosters teamwork, mutual respect, and continuous technical growth for our engineering teams.

06 — Directive
Purchasing & Finance

Robust procurement control and financial integrity ensuring project stability, fiscal transparency, and consistent resource readiness for every deployment from mobilization to closeout.

Track Record

Recent Projects

Trusted by Singapore's leading industrial and commercial facility owners since 1997.

Year Project
2026Chiller Replacement & Temporary Rental of Water-Cooled ChillersColiwoo Midtown
2025Chiller Replacement & Temporary Rental of Water-Cooled ChillersDSO National Laboratories
2025Chiller Replacement & AHU System UpgradeJalan Besar Plaza
2025CKD, Replacement & Installation of Water-Cooled ChillersGlobalFoundries Fab 2
2025Water Box Relocation & Pipe Modification WorksThe Concourse
2024Delivery & Installation of Water-Cooled ChillersMicron Fab 10X
2024Cooling Tower Replacement & InstallationJalan Besar Plaza
2024Replacement & Installation of Water-Cooled ChillersAlfa Centre
2023Delivery & Installation of Water-Cooled ChillersMicron Fab 10A2
2022Delivery & Installation of Water-Cooled ChillersMicron Fab 10A1 & 10A2
Project Gallery
Project Site 1 Project Site 2 Project Site 3 Project Site 4 Project Site 5 Project Site 6 Project Site 7 Project Site 8 Project Site 9
Air-Cooled Chiller Plant Hoisting & Structural Positioning Works
Get In Touch

Ready to
Work
Together?

Reach out for project enquiries, maintenance contracts, or technical consultations. Our team is ready to deliver engineered solutions for your facility's needs.

Business Hours
Monday – Friday, 8:30am – 5:30pm
Saturday, 8:30am – 12:30pm
Address
10 Admiralty Street #04-78
North Link Building, Singapore 757695

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