PV, heat pump, battery — HYDI calculates what actually makes sense for you. No sales pitch, no registration for the quick check.
Roof area, location, consumption — get indicative figures for investment, payback and autarky in one minute.
Official energy certificate per GEG 2024 §82 — efficiency classes A+ to H, as PDF for download.
8-phase renovation plan with BEG-EM funding plus 5% iSFP bonus — your personalised roadmap.
~100 materials according to DIN 4108-4 — calculate the thermal transmittance of your walls, roof and windows.
Ask your questions in plain language — HYDI's AI answers with your real project data, not generic advice.
Automatic matching with BAFA, KfW, EEG and regional programmes — no manual research needed.
Semi-detached house, 4,500 kWh annual consumption. HYDI calculated: PV 8 kWp + 10 kWh battery + heat pump is the optimal combination. Not a standard package — calculated specifically for their roof orientation, consumption profile and local tariffs.
No credit card required for the quick check
60 seconds. No registration. Your first simulation is free.