Temperature control is essential for a modern or renovated house. Without good temperature control, the heating bills will be high. First, the exterior walls will have spray foam insulation. This high grade insulation offers the highest R Value per inch. Next is triple pane glass for windows., and properly insulated exterior doors. These few factors goes a long way in keeping heating costs down.
Next, is a geothermal heat pump. This will take the heat from deep in the ground and bring it up to the pump which basically moves heat rather than generating it. This could reduce the heating costs by 80% when compared to a more conventional system. For heating, underfloor radiant heating system will be in place. For cooling, ceiling fans will be used. Everything will be controlled by a Nest Thermostat.