Now offering plumbing services!

Serving Connecticut and Rhode Island

For quality fuel oil delivery, heating service, and air conditioning service in Eastern CT and Southwestern RI, you can rely on Densmore Oil Company.

Oil Delivery, Heating Service, and Air Conditioning Service

We serve the heating and cooling needs of following towns in Connecticut: MysticStonington, Groton, New London, Waterford, Ledyard, Pawcatuck, Gales Ferry, Preston, Niantic, Old Lyme, North Stonington, Noank, Norwich, Montville, Uncasville, and Chesterfield. We also deliver oil and provide full service to Bradford and Westerly, Rhode Island.

In Our Mystic, CT, Area Community

Our Eastern CT and Southwestern RI location allows us to be involved with dozens of area organizations that benefit our community. We proudly support the following businesses and organizations


To become a Densmore customer, please contact us for more information!