Densmore Oil Company
Stonington heating and cooling company that installs and repairs furnaces, boilers, ductless mini-splits and air conditioning, and offers emergency heating service across eastern Connecticut.
What they do
Densmore Oil Company, based in Stonington, Connecticut, installs and repairs heating and cooling equipment. Its work includes furnaces, boilers, ductless mini-splits and air conditioning systems, along with heating repair and water heater jobs. The company also supplies heating oil. Emergency heating service is offered, and the firm has served Connecticut and Rhode Island for more than seven decades. It is family-owned, and financing is available. Its listed service area takes in Mystic, Groton and Norwich.
- Furnace repairs and installs
- Boiler service
- Ductless mini-splits
- Air conditioning
- Heating repairs
- HVAC service
Listed under Heating and cooling emergencies
Where they work
What we checked
Checked 12 Nov 2026, from public sources.
Not yet verified. We haven’t contacted this business yet. Ask for a written quote before work starts.
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