Heat Pump vs Gas Boiler Savings Calculator

Estimate annual heating cost and CO₂ emissions for a heat pump versus a gas boiler. This is a simplified model for education and comparison.

Total heated floor area.
Colder winters usually mean higher heating demand.
Affects annual heating energy needed.
Higher COP = less electricity needed.
Example: 0.20 per kWh.
Use kWh-equivalent price if possible.
Only affects formatting.
Sets a typical winter temperature.
Assumptions used