3 Energy types 

FERLEM Standard
Grid connected
Standard Rc = 11 heat resistance value
Construction time on location 1-2 weeks
Heating system, electrical infrastructure, sewerage integrated
Simple kitchen with fridge, cooker, tap / sink and extractor
Simple bathroom with toilet, washbasin, shower cabin and washing machine connection
Standard finishing ceilings: Liquid-cork, wallpaper-ready walls, outer walls: liquid-cork (many colors available)
FERLEM Hybrid
Equal to Standard with the following extras:

Equipped with solar panels with a capacity of 3500KWH
Equipped with solar panel for heat boiler

FERLEM Full Eco
Equal  to Standard with the following extras:
Not grid connected
Equipped with solar panels with a capacity of 6000KWH
Equiped with a powerwall ( battery pack which can be extended when wanted to higher capacity)
Equipped with solar panel for heat boiler
Equiped with a heatpump system ( type and capacity depending on geographical position)