Credit Card Payment If you are paying for oil that you have already received please add .05 per gallon to the price if making a Credit Card payment. You may also pay by using Echeck on our home page or by mailing a check promptly to PO Box 2398, South Portland 04116. This is not an order form. Use this form only if you have been given a total by Maine Heating solutions in order to make a payment. If you wish to order fuel and have not done so, please do so HERE. Name* First Last Email* Phone*Payment Options*Pay with Mastercard/Discover CardPay with Visa CardEnter Payment Amount* NotesTotal $0.00 NumberNameThis field is for validation purposes and should be left unchanged. This iframe contains the logic required to handle Ajax powered Gravity Forms.