Our Core Businesses

Our Projects division is driven by a strong in-house Engineering team specialising in the design and installation of ACMV systems. JECS is a recognised leader in the built construction and laboratory and hospital facilities, where precision, safety, and specialised equipment solutions are critical.

We undertake major Addition & Alteration (A&A) works, full BMS upgrades, design & build ACMV systems, and the construction of EPC Chiller Plants. Our teams also deliver installation and Testing & Commissioning of Green Mark Certified ACMV systems, meeting Singapore’s sustainability requirements.

Our Core Capabilities Include:

• Design & Build of Energy Performance Contracting (EPC) Chiller
Plants Enhancing energy efficiency and operational reliability through optimised chiller plant design and performance-based engineering.

• Installation & Testing/ Commissioning of Green Mark Certified ACMV Systems
Ensuring sustainability compliance while improving indoor environmental quality and long-term energy savings.

• Major Addition & Alteration (A&A) ACMV Works with Full BMS Capabilities
Upgrading buildings with modern mechanical systems and integrated BMS for improved monitoring and optimisation.

• Industry Leader in Laboratory & Hospital Facility Construction
Delivering specialised engineering solutions, including operating theatre systems, critical environment controls, and contamination management solutions.

• End-to-End Design Coordination
Seamless collaboration across ACMV, electrical, structural, architectural, and digital control systems.

• Installation of Advanced ACMV Systems
Deploying high-efficiency chillers, AHUs, VRF systems, ventilation system, and centralised cooling solutions tailored to project needs.

• Specialist Engineering Works
Custom solutions for mission-critical facilities, industrial processes, and specialised mechanical applications.

• Integration with Building Systems and Digital Controls
Ensuring compatibility with BMS, EMS, IoT platforms, and smart-building technologies.

• Commissioning Support and Technical Validation
Verifying system performance, reliability, and compliance through rigorous testing and benchmarking.

Our project teams combine deep technical expertise, disciplined projects management, and engineering excellence to deliver safe, efficient, and future-ready facilities that support Singapore’s evolving built environment.

JECS manages one of the largest portfolios of Grade-A commercial buildings in Singapore’s CBD, supported by a strong team of in-house FM professionals, engineers, technicians, and skilled tradespeople. We provide a full suite of “hard” M&E services, complemented by integrated cleaning solutions and technology-enabled facility operations.

We focus on delivering reliable, compliant, and cost-efficient FM services, while enabling clients to achieve Smart FM capabilities through digital adoption and data-driven operations.

Our Facilities Management Capabilities Include:

• Mechanical & Electrical Systems Management
End-to-end servicing and optimisation of essential building systems.

• ACMV Operations and Optimisation
Ensuring efficient cooling, ventilation, and indoor air quality through continuous system tuning.

• Building Services & Preventive Maintenance Programmes
Reducing downtime and extending asset lifespan through structured maintenance.

• Asset Performance, Regulatory Compliance & Lifecycle Planning
Supporting BCA, SCDF, and MOM compliance while planning long-term renewal strategies.

• 24/7 Operations Support for Critical Facilities
Around-the-clock monitoring and rapid response for commercial tower, healthcare facilities, and mission-critical sites.

• Largest Market Share of Grade A Commercial Office FM in the CBD
A testament to JECS’ reliability, quality standards, and operational discipline.

• FM Services Delivered by Over 200 In-House Professionals
Skilled engineers, managers, and technicians ensuring consistent service quality.

• Design & Deployment of Smart FM Solution (IoT Platforms)
Using sensors, analytics, and dashboards to enable predictive maintenance and real-time monitoring.

• SCEM & GMP Support Green Mark Certification
Helping clients enhance sustainability through energy management expertise.

• 24/7 Call Centre with Mobile Response Teams
Immediate support and onsite response to resolve urgent requests and complaints.

• Cleaning Services for Offices and Commercial Buildings
Ensuring clean, hygienic, and well-maintained environments through integrated soft-services management.

Our mission is simple: to ensure your facilities run smoothly, safely, and efficiently — so you can focus on what truly matters: your core business.

Our Technical Service (TS) division specialises in maintaining and optimising critical mechanical systems, with strong in-house expertise in chiller plants and advanced M&E diagnostics. JECS currently maintains over 150 chillers, ranging from 50RT to 3000RT, serving commercial, industrial, and mission-critical facilities.

Beyond routine maintenance, our TS team provides specialised engineering solutions designed to improve performance, reduce energy consumption, and extend asset life.

Our Maintenance Capabilities Include:

• Preventive & Predictive Maintenance
Data-driven programmes that prevent failures and maximise system uptime.

• Troubleshooting & Diagnostic Services
Rapid fault identification and rectification to restore performance quickly.

• System Upgrades & Replacements
Enhancing efficiency and compliance through modernisation of key mechanical assets.

• Optimisation of ACMV and M&E
Assets improving energy efficiency, comfort, and system stability.

• Emergency Response & Urgent Rectification
Works Fast-response teams for breakdowns and operational disruptions.

• Specialist Chiller Expertise
> Full maintenance, troubleshooting, repairs, and overhauls
> Energy retrofits and performance upgrades
> Experience across multiple system configurations and capacities

• Multi-OEM Service Capability
> Servicing chillers from various OEM brands
> Maintenance and repair of air-side equipment from global manufacturers

• Testing & Commissioning Services
Thorough verification and performance validation for system reliability

• In-House Skilled Workforce
Ensuring consistency, accountability, and fast mobilisation without heavy reliance on subcontractors.

• Extensive Chiller Portfolio Under Management
Over 150 chillers maintained across Singapore, including central plants supporting commercial towers and mission-critical facilities.

With JECS, clients gain a trusted engineering partner committed to maintaining operational continuity and safeguarding asset value throughout the building lifecycle.