Heat Pump Running Costs in NZ
Operating Cost Overview
Hourly Cost
$0.15 - $0.50 Varies by size & efficiency
Daily Cost
$1.20 - $4.00 Based on 8 hours usage
Monthly Cost
$36 - $120 Average household use
Annual Cost
$200 - $600 Typical yearly range
Energy Efficiency Explained
COP Rating
Coefficient of Performance (COP) measures heating efficiency. A COP of 4.0 means 4kW of heat from 1kW of power.
- Excellent: COP > 4.5
- Good: COP 3.5-4.5
- Average: COP < 3.5
Energy Star Rating
More stars indicate better efficiency. Look for:
- Heating: 4+ stars
- Cooling: 3.5+ stars
- Combined: 7+ stars
Cost Saving Tips
Optimal Settings
- Heat: 18-21°C
- Cool: 22-24°C
- Use Auto mode
- Set timers
Maintenance
- Clean filters monthly
- Annual service
- Check for leaks
- Clear outdoor unit
Smart Usage
- Use timers
- Zone heating
- Close curtains
- Seal drafts
Peak Avoidance
- Off-peak rates
- Pre-heat/cool
- Use eco mode
- Monitor usage
Frequently Asked Questions
How much does it cost to run a heat pump?
Typical running costs range from $0.15-$0.50 per hour, depending on size and efficiency. Annual costs average $200-600 for regular use.
How can I reduce heat pump running costs?
Set optimal temperatures (18-21°C for heating, 22-24°C for cooling), clean filters regularly, and use timer functions effectively.
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