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省エネ対策も安くはありません。  Implementation of energy-saving measures costs high.


Expensive shoji screen by higher labor cost due to the chromic labor shortage:
It is said the double-glazed glass and/or the resin frames have the better insulation effect against the commonly used aluminum sash glass windows.
Two years ago we had the shoji (paper) screen wooden doors installed inside the glass windows in the office, which gave us the better insulation effect and the softer atmosphere.
So we asked the same estimation request for the windows in the house, but the estimation was surprisingly high.
It maybe because of the prevailed chronic labor shortage every field in Japan though everything is rising in price.