Densmore Oil Company

A 2026 customer said Scott, their oil delivery driver, made sure the oil tank was filled right before the blizzard hit their town. Densmore Oil Company delivers heating oil and services heating, cooling and plumbing systems; a ctmirror.org article has described Jamie Densmore as the third generation owner of Densmore Oil Company in Mystic, Connecticut. The company says it has been in business 70 years. On Google it holds 4.9 stars from 287 ratings. A recent customer had a brand new furnace put in in one day after switching from another oil company. A recent customer says Miranda in the office found the parts for an air conditioning system that went down during a heat wave and had the techs out in short order. A recent customer says the service man installed a new expansion tank. In a 2026 review, a customer said Owen came out the same day for a little water under the boiler and had it fixed quickly. A 2025 customer said that after coming home to no heat, a new circulator pump was installed two hours after the call. A 2024 customer said Geoff organized a boiler replacement that was completed in one day. A recent customer says a valve was replaced on the second visit, the unit was still not working, and they had not heard back for almost a month. A 2026 customer said the company would not deliver oil to a late relative's house until the bill was paid, then scheduled the delivery a week out unless they paid an extra fee. A 2025 customer of over 10 years said the price on a recent fill-up seemed very high next to other suppliers in the area. Connecticut lists its S1 heating and cooling contractor licence, HTG.0387509-S1, as active, held by Densmore Oil Co Inc.