EnergyHouse.top — Free Home Energy Calculator | Solar, Heat Pump, Payback

Calculate annual energy balance, solar PV output, heat pump costs, and payback period for your European home. Free online calculator for solar panels, heat pumps, underfloor heating and more.

EnergyHouse.top is a free online calculator that estimates the annual energy balance of a home: solar PV production, heat-pump and heating demand, battery storage, self-sufficiency and the payback period of renewable-energy equipment across Europe.