Heat pump calculator: Is a heat pump worth it for your house?
Three steps, one result: whether a heat pump is suitable, how large it needs to be, what it costs compared to your heating system and which public subsidy is applicable.
- 1 House
- 2 Heating
- 3 Result
Step 1 of 3: Your house
Step 2 of 3: Your heating system
Your result
Very suitable
- Heating load
- –
- Flow temperature needed
- –
- Seasonal performance factor
- –
- Savings per year
- –
Heating costs per year
Today
–
Heat pump
–
Public subsidy
Does it pay off?
Investment (guideline value)–
minus public subsidy–
Payback period–
Balance after 15 years–
Adjust assumptions
Energy prices as of August 2026. Increase fossil 4 %, electricity 3 % per year, maintenance 250 € (heat pump) and 200 € (today) annually. More precise with your own prices: Cost comparison.
Rough estimate with typical values, not a planning result. The exact heating load is calculated room by room by the installer according to ÖNORM EN 12831.
Look at individual questions in more detail: Suitability · Heating load · Costs · Public grant · Noise & distance