Guides & Resources
Comparison guides, European incentive guides, and tools to help you choose the right upgrade.
Comparison Guides
- Heat Pump vs Solar Panels
Which upgrade is right for your home? Compare costs, ROI, and climate suitability.
- Gas Furnace vs Heat Pump
Upfront costs, efficiency, and the 30% federal tax credit compared.
- Heat Pump vs Gas Boiler (UK)
BUS Grant £7,500, running costs, and the 2035 gas phase-out explained.
- Solar: Lease vs Buy
30% tax credit, ROI, and long-term savings: ownership vs leasing.
- Tesla Powerwall vs Generac PWRcell
Battery capacity, price, warranty, and which fits your home.
- Insulation vs Solar First
Why insulation has faster payback and makes solar more effective.
European Incentive Guides
- Wärmepumpe & Solar Förderung 2025 (Germany)
KfW up to 70%, GEG requirements.
- PV & Wärmepumpe Förderung (Austria)
OeMAG, 0% VAT, Raus aus Öl und Gas.
- MaPrimeRénov 2025 (France)
Pompe à chaleur & solar aids.
- Salderingsregeling 2027 (Netherlands)
Net metering phase-out and ISDE.
- Solarförderung Schweiz 2025 (Switzerland)
Pronovo EIV & Minergie.
- Balkonkraftwerk (Germany)
Balcony solar and plug-in systems.
More Resources
- Solar Panel Costs by Country— Compare installation costs and incentives worldwide.
- Blog— Guides on solar costs, payback period, incentives, and heat pump costs.
- Cities— Energy savings calculators for 150+ cities.
- FAQ— Frequently asked questions about solar, heat pumps, and efficiency.
- Glossary— Energy and solar terminology explained.