Technical Service Portfolio

SIAN’s technical service offering covers installation, commissioning, maintenance, and repair across HVAC, refrigeration, electrical, energy, and infrastructure systems.

Key areas of delivery include:

AIR CONDITIONING SYSTEMS

  • Ducted Systems
  • Split Systems
  • Wall-Mounted Units
  • Air Chiller Units
  • VRF / VRV Systems
  • Air Handling Units (AHUs)
  • Rooftop Package Units
  • Unitary Air Conditioning Units
  • Closed Control Air Conditioning Units

REFRIGERATION SYSTEMS

  • Commercial and Industrial Cold Rooms
  • Walk-In Freezers
  • Ice Machines
  • Ammonia Refrigeration Plants

VENTILATION AND HEATING

Ventilation Systems

  • Extraction and Induction Fans
  • Ductwork Installation and Maintenance
  • Hanger Installations

Heating Systems

  • Boilers and Furnaces
  • Heat Pumps
  • Radiant Heating Systems
  • Underfloor Heating

ENERGY AND AUTOMATION

  • Building Management Systems (BMS)
  • Smart HVAC Control Systems
  • Remote Access and Automation Solutions
  • Energy Audits and Retrofit Implementation

SPECIALISED HVAC-R

  • Dehumidification Systems
  • Clean Room Systems for Medical and Pharmaceutical Environments

MANUFACTURING SERVICES

  • Cantilever Bracket Production
  • Custom Steel Fabrication for Mounting and Framing

CATERING AND LAUNDRY EQUIPMENT

  • Stoves, Fryers, Bain Maries, Tilting Pans, ovens, grills, and combi-steamers
  • Potato Peelers, Steamers, Cooking Pots, dishwashers, glasswashers, and ice machines
  • Fridge, Freezer and cold rooms, including extraction and ventilation systems
  • Grease Trap and Associated Electrical Systems
  • Laundry equipment, including washing machines, tumble
    dryers, and steam presses

PUMP SYSTEMS

  • Centrifugal, submersible pump and borehole
  • Booster sets, sump pumps and associated equipment
  • General Pump and system support, including motors, seals, valves and control panels

ELECTRICAL SYSTEMS

  • Full-System Electrical Design and Installation
  • Electrical Works for HVAC-R and Ancillary Equipment

BUILDING AND STRUCTURAL WORKS

  • Structural Construction
  • Renovations and Extensions
  • New Building Projects
  • Modular Park Home Installation
  • JoJo Tank and Water Storage Infrastructure

WET SERVICES

  • Plumbing Installations: Drainage, Water Supply, Sanitation
  • Leak Detection and Pipe Replacement

ENERGY-EFFICIENT SYSTEMS

  • HVAC Performance Testing and Retrofits
  • Certified Load and CEM Testing
  • LED Lighting Upgrades
  • PV Solar System Design and Installation
  • Hot Water System Supply and Maintenance

RESIDENTIAL SERVICES

  • Heating and Cooling Installation and Servicing
  • Indoor Ventilation Systems
  • Solar-Powered and Energy-Efficient Hot Water Systems