VRF

VRF Air Conditioning Systems

Variable Refrigerant Flow (VRF) / Variable Refrigerant Volume (VRV) systems are advanced multi-split air conditioning technologies that allow a single outdoor unit to connect multiple indoor units, each independently controlled for temperature and operation.

Sreewari Engineers specialises in the design, supply, and installation of VRF systems from leading manufacturers including Hitachi, LG, Samsung — ideal for hotels, IT parks, commercial complexes, hospitality group, pharmaceutical, data centre and multi-storey buildings.

Key Advantage: VRF systems deliver up to 40% better lifecycle energy efficiency than conventional systems through simultaneous heating and cooling in different zones — driving significant carbon emission mitigation.

VRF VRV air conditioning system installation

System Features

  • Individual zone temperature control
  • Heat recovery VRF for simultaneous heating and cooling
  • Inverter-driven compressors for lifecycle energy efficiency and carbon emission mitigation
  • Quiet operation suitable for office environments
  • Centralised remote monitoring and control
  • Flexible piping runs up to 150m equivalent length
  • Integration with BMS and smart home systems

VRF System Engineering Capabilities

Multi-split inverter systems with advanced zoning control delivering optimal part-load efficiency and measurable carbon emission mitigation.

Part-Load Efficiency Mastery

Inverter-driven compressors modulate from 10–100% capacity — delivering up to 40% better energy efficiency than fixed-speed conventional systems at non-peak operating loads.

  • COP values up to 4.5 at full load
  • IPLV/NPLV rating optimised design
  • Annual energy cost modelling
Heat Recovery Technology

R2 Series heat recovery VRF systems enable simultaneous heating and cooling in different building zones — recovering rejected heat with zero additional energy penalty.

  • Up to 130% total capacity in recovery mode
  • Perimeter heating + core cooling simultaneously
  • Single refrigerant circuit, multiple zones
Advanced Zoning Control

Independent zone temperature control for up to 64 indoor units per outdoor system, with centralised building management integration and remote diagnostics.

  • Daikin, Mitsubishi, Hitachi, LG platforms
  • BACnet / Modbus BMS integration
  • Centralised remote monitoring
System Design Engineering

Piping runs to 150m equivalent length, refrigerant branch controllers, multi-branching layouts, and system design documentation per manufacturer guidelines.

  • Pipe sizing & pressure drop calculations
  • Refrigerant charge calculations
  • Full commissioning & handover package

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