As alternative energy sources (renewable), it is possible to use locally produced energy to provide it for the building. There are for example:
- SUNenergy (both electric and thermal)
- WINDenergy
- BIOenergy (firewood, pellets, chips)
- EARTHwarmth (W-W-thermal pump)
ENERGY CIRCUIT …
We turn our backs on the sun
and knocks coal out of the rock.
We turn our backs on the sun
and drills for oil.
We turn our backs on the sun
and splitting atoms.
When do we turn around?
– Fritz Gillinger –