Tips on costs, subsidies, and amortization, clearly explained and up-to-date for 2026.
How your mini PV system pays off: amortization, yield and funding.
Heat pump vs. gas heating, costs, subsidies and 5 planning mistakes.
Average prices per m², amortization times and heating cost comparison for German homeowners.
Direct comparison of heating costs, CO₂ emissions and subsidy options.
Base bonus, replacement bonus and application process, everything you need to know.
Factors for amortization time, case studies and free calculator.
Power usage, costs and JAZ calculation, with practical examples.
All about costs, registration, electricity savings and the best models.
Amortization time, calculation examples and factors for profitability.
Market master data register, meter and all formalities step by step.
Yield by region and orientation, with table.
Use solar power directly for your heating and cut costs.
Up to 70% subsidy for heat pumps, also for BAföG recipients.
Renovation requirements, costs and funding for heat pumps in old buildings, even without full renovation.
PV surplus use, system sizing and smart home control for the combination.
Low-interest loans and up to 20% repayment grant for solar systems and balcony solar.