How much does it cost?

Running Costs

Heat SourceTypeCost of FuelCost of HeatMonthly Cost*
Natural Gas Radiators $0.086 / kWh 11.2 c / kWh

$275

  Underfloor $0.086 / kWh 10.6 c / kWh

$285

LPG Radiator $105.00 / 45kg cyl 19.4 c / kWh

$485

  Underfloor $105.00 / 45kg cyl 17.2 c / kWh

$520

Diesel Radiators $1.80 / litre 18.0 c / kWh

$450

  Underfloor $1.80 / litre 17.6 c / kWh

$541

Firewood Radiators $85.00 / m³ 10.6 c / kWh

$270

  Underfloor $85.00 / m³ 10.0 c / kWh

$250

Air to Water Heat Pump Radiators 0.23 / kWh 10.6 c / kWh

$265

  Underfloor 0.23 / kWh 9.4 c / kWh

$285

Ground Source Heat Pump Radiators 0.23 / kWh 8.3 c / kWh

$210

  Underfloor 0.23 / kWh 7.5 c / kWh

$225

*All costs include GST. All running costs take into account the thermal efficiency of the relevant heat source as independently measured by laboratory testing. Underfloor heating tends to use  more energy than radiators due to longer running periods.  Fuel used is based on heating living spaces to 21°C and bedrooms to 18°C for 6-8 hours per day for a radiator system and 24 hours on low for underfloor heating.

Contact Central Heating New Zealand to work out the costs relevant to your home or building project.

Considered Factors

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