Solar collector partial free from snow
Only a half meter tiles below the solar collector prevent the sliding of the snw. Tin instead of tiles would help here.  

Solar collector partial free from snow

Only a half meter tiles below the solar collector prevent the sliding of the snw. Tin instead of tiles would help here.

Plan for house building - requirements specifications Plan for house building - requirements specifications
From the first idea over the requirements specifications and how this develops to constructions plans. The development of my second plus energy house.


Roof for a one family house
Planning for the roof, the deciding component, which makes a house an energy waster or energy producer. Electric power and warmth from the roof is a must.



Context description:  sun solar collector suncollector solarcollector collectors suncollectors solarcollectors
snowy roof roofs extrem much high snow event events date time month 2 Feb February winter
resolution Photo Photos pic pics picture pictures JPG JPEG