By David Popoff.
When planning on building a new home one should look at how to reduce usage of heating and cooling loads first. Insulation is one of the easiest ways to consider a better thermal envelope or if you like blanket around the whole of the house. Generally the insulation cost of a new build is under or around 1% of the total cost of construction. It would not take much more to improve your insulation barrier and thus reduce your heating and cooling loads a considerable amount. The PassivHaus, Passive House, requirements are an advanced; some say extreme build design but they achieve great results.