Commercial Central A/C · Ventilation · Ductwork
Commercial central A/C, ventilation & ductwork specialists
Malls, offices, restaurants, factories & institutions — central A/C, ventilation & ductwork and E&M works, one-stop. MTR- and AsiaWorld-Expo-grade team; free on-site assessment & quote.
MTR-Approved Contractor Credentials·RSI / CPNT / FM·Registered Minor Works Contractor
See Our ProjectsLong-Term Clients

MTR
Station AHU, ductwork and pipework replacement in non-traffic hours

AsiaWorld-Expo
New-build and improvement HVAC works across venue halls

HK Jockey Club
Fire damper inspection and maintenance
K11 · Retail & Malls
HVAC packages to premium fit-out standards

Kowloon Dairy
Cold storage refrigeration improvement


Pizza Hut · KFC
Chain F&B ventilation works
Our work
Commercial projects we've delivered
From MTR stations to malls, shops, F&B and cold storage — trusted by Hong Kong's most demanding clients.

MTR · AHU Works
AHU & Fan Wheel Replacement, Central Station

MTR · VRV Systems
VRV System Installation, To Kwa Wan Station

AsiaWorld-Expo · Ductwork
Hall 2 Ductwork, AsiaWorld-Expo

MTR · Pipework
Chilled Water Pipe Replacement, Tai Koo Station

AsiaWorld-Expo · Fire Dampers
Fire Damper & Ductwork Installation, AsiaWorld-Expo

MTR · Ventilation
Fan Motor Replacement, Tsing Yi Station

K11 · A/C Installation
New A/C & Ventilation, K11

Retail Client · A/C Installation
Shop A/C Installation, Nathan Road

Kowloon Dairy · A/C Installation
Cold Storage Improvement, Kowloon Dairy
Commercial Services

01
Commercial Ventilation Installation
Design and installation for restaurants, shops, offices and industrial premises — compliant with regulations and licensing requirements.

02
Duct Design & Installation
Site survey, factory fabrication and hoisted installation in one package. Flanged joints throughout — airtight, durable, maintainable.

03
AHU / Diffuser Replacement
Specialists in live-premises AHU replacement: modular rigging, out-of-hours working, zero disruption to daily operations.

04
FCU Replacement
Fan coil units replaced one by one — water, electrical and air connections rebalanced with cooling kept online.

05
Fire Damper Installation & Maintenance
Installation, inspection, repair and interlock testing with full test reports to support your fire services inspection.

06
Thermal Insulation Works
Pipe and duct insulation and cladding — cuts energy loss and prevents condensation problems.

07
Fit-Out HVAC Support
We mobilise alongside your fit-out contractor and hit opening day. Deep experience with restaurants, bars and offices.
A Rigorous Delivery Process
From tender to handover, every step follows procedure — and every project has a dedicated project manager.
- 01
Enquiry & Site Survey
Free site inspection to understand conditions and technical requirements.
- 02
Quotation & Tender
Detailed itemised pricing that fits institutional procurement.
- 03
Project Management
A dedicated PM coordinates programme, materials and manpower.
- 04
Construction
Licensed crews work to full safety standards, around your operating hours.
- 05
Testing & Handover
Commissioning, acceptance documents and test reports delivered.
Credentials & Assurance
Every worker holds a valid construction safety card and worker registration, with government-recognised safety training every quarter. Multiple staff hold MTR-approved licences (RSI, CPNT, FM).
- MTR-Approved Licence RSI
- MTR-Approved Licence CPNT
- MTR-Approved Licence FM
- Registered Minor Works Contractor
Frequently asked questions
Commercial and institutional central A/C, ventilation and ductwork, VRV multi-split, fire dampers, and E&M / A/C maintenance — for malls, offices, restaurants, factories and institutions.
Free on-site assessment and quote — transparent, itemised pricing with no hidden costs confirmed before work starts.
We take on projects of any size — from a single-unit install or repair to a whole-building central A/C and ventilation project.
Licensed contractor with RSI / CPNT / FM qualifications, able to carry out Minor Works, with compliant workmanship and completion documents.
We reply within one working day and arrange a site visit; timelines depend on project scope and are provided at assessment.
Yes — scheduled A/C and ventilation maintenance contracts to reduce breakdowns and downtime, with priority repair response.
All of Hong Kong — Kowloon, Hong Kong Island, the New Territories and outlying islands.
50 years of engineering experience — the team trusted by MTR, AsiaWorld-Expo and the Jockey Club, serving your commercial premises with the same craftsmanship.
Book a Consultation
Tell us about your project and we'll reply within one working day to arrange a site survey.
- Free on-site assessment & quote
- Transparent pricing, no hidden costs
- Reply within one working day
- Licensed team · completion docs · maintenance


