public void setComfortPercent(double comfortPercent) throws OutOfRangeException {
		if (( comfortPercent < 0)||( comfortPercent > MAX_COMFORT_PERCENT )){
			logger.error( "incorrect comfortability percent argument "+comfortPercent+"%" );
			throw new OutOfRangeException();
		}
		this.comfortPercent = comfortPercent;
	}