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 the 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! 

Annually voted the BEST Fuel and HVAC Service Company since 2018 in The New London Day and The Westerly Sun Reader’s Choice Awards

Densmore best of 2018
Best of 2019
Best of 2020
Best of 2021
Best of 2023

Family of Companies: