ThosEM
Space Weatherman
No. I pay exactly what it costs. Price fluctuates every hour from almost zero up to half euro per kWh.
Market data | Nord Pool
Example:
Tomorrow, at 2-6am electricity costs 0,36cents/kWh, and 10,0cents/kWh at 10-11am.
My point is exactly what I said.
500% efficiency is unheard of. And air-air heat pumps do not work at -40 at any reasonable efficiency.
I believe I explained myself well enough.
Maybe they are only heating the house to 10F?
Extraordinary claims require extraordinary evidence.