Costs, Payback & Incentives FAQ
Every major European market supports renewable heating in 2026, but the rules move constantly: Germany cut rates and Poland revised its rules in July 2026, France refocused MaPrimeRénov' on...
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Frequently Asked Questions
Short, straight answers to the questions installers and homeowners ask most — grouped by topic so you can scan them in a minute.
5 entries
Heat Pump FAQ
An air source heat pump extracts heat from outdoor air and delivers it to radiators, underfloor heating and a hot water cylinder. Standard units run down to −15 °C and EVI models to −25 °C...
Hot Water Tank & Storage FAQ
Plan 30–50 litres of stored hot water per person, store at 60 °C and distribute at 50–55 °C through a mixing valve, and expect 15–25 years of service from a quality cylinder whose anode is...
PVT Hybrid Panel FAQ
A PVT hybrid panel produces electricity and usable heat from the same collector, adding roughly 200–350 kWh of heat per m² per year to the 160–220 kWh of electricity a PV module of that...
Solar Thermal FAQ
A solar thermal system uses glazed collectors to heat water directly, typically covering 50–60% of a northern European household's annual hot water and 70–90% in Mediterranean climates. A...