●Healthy houses

　■The dew condensation and humidity which generate tick and mold are hold
　　 ,and The house which the inside is always maintained normal temperature.

　■The house which building materials and paints which are not made to generate a toxic substance are used, and does not injure health.

　■The house which takes in daylight well in winter, intercepts daylight in summer, and can secure ventilation.
　　→residence which considered the passive design.

　■The house which can do whole building air conditioning is possible at slight energy.

　■The house has green and environment is good in the site.

etc..are rised.

We think it best to use the wood which is a natural material for a house.
Child's mouses were researched on the effects growth with the box of the same size of wooden, metal, and concrete. The result of the probability of survival is 85% in wooden ,40% in metal ,7% in concrete.

When you build a house,you should use natural materials. And you can live without depending on energy, since you begin to live, it is the best for people's body.