Heating with the sun - a solar air heater

Solar air heaters are passive solar element that can heat rooms during cold days while the sun is shining. Building one is a piece of cake

Insulating a rintamamiestalo with hemp

When I first spoke with friends about insulating the house with hemp in 2018 I got all those jokes about hemp that you can get when you are telling about it. But hemp is, alongside with cellulose and straw bale a real good insulating material.… more

How We Chose Our Photovoltaic System

One of our early decisions when we started discussing moving to Finland was that we want to strive towards energy autonomy. Nick has lots of experience in DIY biogas (see Biogascentral) so we are eager… more