Contact J.J Sullivan Oil & Propane for Fuel Delivery or HVAC Service

At J.J. Sullivan Oil & Propane, we welcome and value your questions and comments. We also invite people to become new customers by signing up online. One of our representatives will follow up promptly by phone to welcome you as a customer of J.J. Sullivan Oil & Propane.

Need 24/7 Emergency Service? Please Note:

For all emergency matters, call us at (203) 453-2781—this number will be answered 24/7 by either our office or the after-hours emergency service. Please do not use e-mail or your online account for emergencies because these communication methods are not monitored after hours. Thank you for your patience and cooperation.


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Contact Us:

(203) 453-2781

J.J. Sullivan Oil & Propane
229 River Street, Guilford, CT 06437

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Hours of Operation:

Monday: 7:00 a.m. – 4:00 p.m.

Tuesday: 7:00 a.m. – 4:00 p.m.

Wednesday: 7:00 a.m. – 4:00 p.m.

Thursday: 7:00 a.m. – 4:00 p.m.

Friday: 7:00 a.m. – 4:00 p.m.

Saturday: Closed

Sunday: Closed


Update Your Form of Payment

To add or update your credit card or bank account information on file, please download the form below, fill it out, and send it to J.J. Sullivan Oil & Propane via mail, email, fax, or delivery.

Credit Card Authorization Form
ACH Direct Debit Form