Heat Pump Maintenance Cost Calculator
Estimate annual and lifetime maintenance expenses vs gas boilers
Maintenance Cost Analysis
Cumulative Maintenance Cost Over Time
Purple line (Heat Pump) vs Orange line (Gas Boiler). Spikes show major component replacements.
Your Maintenance Cost Calculation
Heat Pump Annual: £0
Gas Boiler Annual: £0
Annual Savings: £0
10-Year Total: £0
Cost Breakdown Example
1
Heat pump annual service: £0
2
Gas boiler annual service: £0
3
Annual difference: £0 – £0 = £0/year
4
Over 10 years: £0 × 10 = £0
Maintenance Scenarios
Low-Cost Heat Pump
£150/year
Minimal service, no major repairs
Typical Heat Pump
£250/year
Regular service + occasional repairs
Full-Service Gas Boiler
£200/year
Annual service + emergency coverage
High-Usage Boiler
£400/year
Frequent repairs + early replacement
Frequently Asked Questions
Typically yes. Heat pumps have lower annual service costs (£150-300 vs £150-250) but occasionally higher major repairs. Over 10-20 years, heat pumps usually cost 20-40% less in total maintenance. Gas boilers need replacement every 10-15 years; heat pumps last 15-25 years.
Annual inspection (filters, fluid levels, electrical connections), refrigerant top-ups every 5-7 years, compressor/capacitor checks, and outdoor unit cleaning. Most issues are preventable with annual servicing. Major repairs (compressor replacement) occur year 12-15 if needed.
Standard warranties (5-10 years) cover compressor/components failures but NOT routine maintenance. Extended warranties (10-20 years) available for £500-1,500 upfront often cover annual service and emergency repairs. Calculate if warranty savings exceed annual service costs.
Modern compressors last 15-25 years with proper maintenance. Failure earlier (10-12 years) usually indicates poor installation, inadequate servicing, or operating stress. Well-maintained units often reach 20+ years. Cost to replace: £1,500-4,000 depending on system size.
Maintenance plans (£100-200/year) cover annual service and sometimes emergency calls. Calculate: Does annual plan cost less than your own service cost? If yes, and peace-of-mind matters, consider it. Many heat pump installers offer competitive plans worth comparing.
Annual professional servicing (single best cost-saver), keep outdoor unit clean/clear, change filters regularly, monitor thermostat performance, use system properly (avoid extreme settings), and address minor issues quickly before they become major repairs.