4 ms·
What kind of coefficients of performance are there in Finland, for heat pumps? And what kind of heat pumps are there? Are air-sourced pumps any use in the Finni
by danuker 5y ago
What kind of coefficients of performance are there in Finland, for heat pumps? And what kind of heat pumps are there? Are air-sourced pumps any use in the Finnish climate?
- Sharlin 5y agoNot an expert, but apparently the latest ASHPs still have a CoP of around 2 at –20°C and unity at –30°C, which is pretty much the extreme low for the less-sparsely populated parts of the country. Ground source HPs are of course better in that respect but the initial investment is larger. Apparently GSHP is the most popular mode of heating in newly built single-family homes.
- danuker 5y agoThank you! In that case, they are very much worth it. In Romania, with the current absurd gas prices, even resistive heating is cheaper when powered by the national hydroelectric supplier.
- 2000UltraDeluxe 5y agoOur heat pump (older model, not sure how old it is since it was in the house when we bought it) works pretty well down to -15. After that it's better to shut it down, save the electricity, and use the good old wood heaters that have been installed since the house was built in the 50's.