Check your delivery ticket to ensure that the amount of gallons delivered was mechanically printed on the ticket. Many states do not allow the gallonage amount to be handwritten, it must be mechanically printed on the ticket. Also, be sure to retain all your delivery slips and check to make sure the price per gallon appears on the ticket at time of delivery.
Determine the daily oil consumption by dividing the number of days between deliveries to determine the average amount of gallons used per day. A sudden increase in the amount of fuel used daily could mean a fraudulent delivery took place or the burner is malfunctioning.
If you own or are planning to install a high-efficiency gas furnace, ask a certified chimney sweep to check that the furnace is vented in accordance with the National Fuel Gas Code.
