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			The link does not take into consideration the efficiency of the appliance. The most efficient oil burners are 80% as oppose to 95% for gas. Also efficient gas appliances runs at a rate where it is most efficient by taking into consideration outside air temperature and how fast the temperature drops in the dwelling. Oil is either full on or full off. 
  
Oil has a very limited life. I would prefer to switch now while the energy credits are there rather than wait until there are no credits and oil is gone.
		 
		
		
		
		
		
		
			
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				Someday may never be an actual day.
			 
		
		
		
		
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