• 03 7302 2702
  • 7/175 Cheltenham Rd, Dandenong, VIC, 3175

Wisely

HVAC System Comparison

System TypeDescriptionAdvantagesDisadvantagesBest For
Single Split SystemConsists of one indoor unit connected to one outdoor unit.
  • Cost-effective for small spaces.
  • Simple installation and operation.
  • Individual temperature control for each room.
  • Only heats or cools one area at a time.
  • Requires multiple units for larger spaces.
  • Small homes
  • Individual rooms
Multi-Head Split SystemA single outdoor unit is connected to multiple indoor units.
  • Can control the temperature in multiple rooms.
  • Space-saving outdoor unit.
  • Suitable for homes with limited outdoor space.
  • More expensive than single split.
  • Longer installation time.
  • Less efficient for larger applications compared to VRF or ducted systems.
  • Medium-sized homes
  • Multi-room areas
VRF SystemAdvanced system where multiple indoor units are connected to one outdoor unit, capable of heating and cooling different rooms simultaneously.
  • Highly energy-efficient.
  • Simultaneous heating and cooling.
  • Great for large buildings and multi-zone control.
  • Quiet operation.
  • High initial cost.
  • Complex installation and requires advanced maintenance.
  • Requires professional design and installation.
  • Large homes, offices, or commercial buildings
Ducted SystemA central HVAC system where air is distributed through a series of ducts connected to a central unit, heating or cooling the entire home or building.
  • Can cool or heat an entire house or large space.
  • Centralized temperature control.
  • Minimal visual impact, with ducts hidden in ceilings.
  • High upfront and installation cost.
  • Not energy-efficient for smaller spaces.
  • Requires significant ceiling space for ductwork installation.
  • Whole-house heating/cooling
  • Larger commercial spaces

Key Considerations

  • Size of the Space: Single split systems are ideal for smaller spaces, while ducted and VRF systems are better for larger buildings or homes requiring uniform heating and cooling.
  • Energy Efficiency: VRF systems are the most energy-efficient option, especially for multi-zone applications, but ducted systems may be less efficient if used in smaller spaces.
  • Installation Cost: Single and multi-head split systems tend to have lower upfront costs than VRF and ducted systems, though the latter two offer greater efficiency for large applications.
  • Maintenance: Single and multi-head splits are generally easier to maintain, whereas VRF and ducted systems require specialized servicing.