We are finishing the ground floor. The rest of the surface has been laid with floor boards. Place enough now to have a party!

Even by -15 degrees outside we keep the 155 m2 house warm with this single heater unit by postheating the incoming air from the heat exchanger to 40 degrees.

Here you can see a chart about the monthly production of solar heat the last two years.

Here you can see a chart about the best day production the last two years.

See more about the technology behind the passive house here

See the construction of the passive house here

updated 2012, march 14.