We are currently experiencing an issue with our phone lines. If you cannot reach us at (631) 654-2500, please e-mail us at contactus@marranoil.com and we will call you back promptly. 

When it gets cold outside, what matters most is staying warm inside… and knowing your fuel company will be there when you need them.
Since 1891, five generations of the Marran family have worked to perfect the best heating service on Long Island. If you have a problem, you simply call our 24-hour dispatch center and our highly trained technician will promptly arrive at your home and get your home heating system working again. It’s that easy.