has anyone got any experience or opinions on this heating system it extracts heat from the outside air using a refrigerant even at below freezing temperatures
an example of the system can be viewed here
http://www.dimplex.de/en/heat-pumps/air-to-water.htmlwindspeed
Try to do some research, this is ancient technology.
It is not DIY nor has anything to do with making your electricity from scratch. Which is the purpose of this forum.
Asking questions on this forum is NOT research.