Frequently Asked Questions

You can order online in just a few minutes — choose your gallons (from 50 up to 500, or a full fill), enter your delivery address, and check out securely. Prefer to talk to someone? Call 631-994-1277 and a local team member will place the order for you.

We deliver home heating oil to homes and businesses across Nassau and Suffolk Counties on Long Island. Not sure if we reach your neighborhood? Just call 631-994-1277 or send us a message and we’ll confirm right away.

Most orders are delivered same-day or next-day, depending on your area and the time your order comes in. During extreme cold snaps, delivery can take a little longer because demand is high — so it’s always best to order before you run low.

Yes, a minimum delivery quantity applies (typically 100 gallons). The exact minimum for your address is always shown before you complete your order.

No. As long as our driver has safe, clear access to your fill pipe, you don’t need to be home. Just make sure the path to your tank is unobstructed and, in winter, cleared of snow and ice.

Heating oil prices move with the wholesale fuel market. Our current per-gallon price is shown online and confirmed when you place your order — with transparent pricing and no surprise fees.

We accept major credit and debit cards and PayPal. You can securely save a payment method to your account for faster reordering and to enable automatic delivery.

We’re happy to walk you through the pricing and payment options available for your home or business. Just reach out to our team and we’ll help you find the right fit.

With automatic (scheduled) delivery, we track the calendar and the weather and top off your tank for you — so you never run out and never have to watch the gauge. Set it up in your account in a couple of minutes.

Yes. You can manage, reschedule, or cancel upcoming deliveries anytime from your account dashboard, subject to any cutoff times shown there.

If you enroll and save a payment method, we charge it for each scheduled delivery, and you’ll receive a confirmation for every order. You stay in control and can update your plan whenever you like.

Beyond home heating oil, our marketplace carries motor oil, antifreeze, kerosene, gasoline, automotive chemicals, and more from the brands you trust. Browse everything on our shop page.

Yes. We supply commercial and off-road fuel and bulk products across Long Island. Contact us to set up a commercial account.

You can check out as a guest, but creating an account lets you reorder in seconds, track deliveries, save payment methods, and manage automatic delivery.

Call us at 631-994-1277, email info@okpetroleum.com, or use our Contact page. Our team is here Monday–Friday, 8AM–5PM, and Saturday 8AM–12PM.