1987  • CELEBRATING 35 YEARS • 2022

The Area’s Premier Fuel Oil Delivery Service

The Area’s Premier Fuel Oil Delivery Service


100-149 Gallons


150-299 Gallons


300-499 Gallons


500+ Gallons

Choosing The Right Fuel Oil Company is Important to Every Homeowner

At Williams Fuel Oil, you get more than just home heating oil. You get exceptional service and a dedicated team that cares. We want to ensure that you and your family are cared for 24/7. Our technicians are never outsourced, so you know only the best are servicing your home. That’s the Williams difference.

Running Low?

With a fleet of thirteen delivery trucks and five service vans, our experienced, licensed staff will ensure your family stays warm. From delivery to service, we can take care of all your heating fuel needs. 


Delivery, service, and peace of mind. Offering 24-hour emergency service and reliable delivery so you can focus on what really matters.


We are certified installers of oil-fired boilers, furnaces, and oil tanks. We handle new installations as well as previous system overhauls.

Service Areas

We service many areas in both Connecticut and Massachusetts for all of our services, including installation and delivery.


Williams Fuel Oil can fulfill all your home heating needs. We provide, oil, diesel, and pellets – so no matter how you heat your home, we can help.

Interested in Dumpster Rental?

Currently offering both 15yd and 20yd rentals