Densmore Oil

Densmore Oil Professional fuel, heating, cooling, and plumbing services since 1949. Learn how you can "Experience the Densmore Difference" at www.densmoreoil.com

Densmore Oil Company: a 3rd-generation, female-owned company

Densmore Oil has been serving Southeastern Connecticut and Southwestern Rhode Island homes with reliable fuel delivery and services since 1949. As we’ve expanded our services over the years to include Bioheat Plus® automatic fuel delivery, installations, service plans, air conditioning services, plumbing services, fuel payment programs,

oil tank protection, and more, we remain true to the cornerstone of our business – customer satisfaction. As a full-service, family owned and operated business, we take pride in providing personal, courteous service and competitive heating oil prices for our customers. Our skilled employees take part in valuable seminars and classes to ensure we are always up to date with the latest technologies and service offerings. When Ray and Donna Densmore set up shop in their Old Mystic home in 1949, they understood the true value of a family owned and operated business. We Make Warm Friends is more than just a slogan that Donna dreamed up over 60 years ago; she understood the value of a family owned and operated business. By putting the family name on every service van and fuel delivery truck, we’ve continued to maintain the importance of a warm, friendly, family attitude. Now, 70 years later, Densmore is still family owned and operated, continued by their granddaughter Jamie. Today, Densmore is a 3rd-generation, female-owned company.

Come say “Hi” to Jamie and MacKenzie at the Stonington Garden Club’s Gardens by the Sea Tour today until 4:00 at 39 Chur...
06/13/2026

Come say “Hi” to Jamie and MacKenzie at the Stonington Garden Club’s Gardens by the Sea Tour today until 4:00 at 39 Church Street. Stonington Garden Club, Inc.

Call us today to install a concrete pad for your propane tanks 860-536-7927A propane tank should always be installed on ...
06/12/2026

Call us today to install a concrete pad for your propane tanks 860-536-7927

A propane tank should always be installed on a concrete pad rather than blocks, dirt, or uneven ground. A concrete pad provides a stable, level foundation that helps prevent shifting and settling over time. Unstable surfaces can cause tanks to lean, placing stress on fuel lines and connections. A properly installed concrete pad also improves drainage, reduces corrosion risks, and helps ensure a safer, more reliable propane system for years to come.

Your central air conditioning system works hard to keep your home comfortable throughout the summer. Over time, dust, di...
06/11/2026

Your central air conditioning system works hard to keep your home comfortable throughout the summer. Over time, dust, dirt, and debris, can build up within the system, reducing efficiency and affecting performance.

A professional cleaning can provide several benefits:

✔ Improved Energy Efficiency – Clean components allow your system to operate more efficiently, which can help lower energy costs.

✔ Enhanced Cooling Performance – A clean system can cool your home more effectively and maintain consistent temperatures.

✔ Extended Equipment Life – Regular maintenance and cleaning reduce strain on system components, helping to prevent premature wear and costly repairs.

✔ Reduced Risk of Breakdowns – Identifying and addressing potential issues during a cleaning can help avoid unexpected service calls during peak cooling season.

Don’t wait until your system struggles to keep up with the summer heat. Schedule a professional central air conditioning cleaning and keep your home comfortable, efficient, and running at its best all season long. Give us a call today 860-536-7927.

Our HVAC, plumbing, and concrete teams are off to a busy start with summer installations. Now is the perfect time to sch...
06/10/2026

Our HVAC, plumbing, and concrete teams are off to a busy start with summer installations.

Now is the perfect time to schedule your next project before our calendar fills up. Contact Geoff today to secure your spot on our schedule 860-536-7927.

Check out some of this week’s installations below…

Professional cleaning of mini-split indoor heads is important for more than just appearance. Over time, dust, pet hair, ...
06/08/2026

Professional cleaning of mini-split indoor heads is important for more than just appearance. Over time, dust, pet hair, mold, bacteria, and debris build up deep inside the evaporator coil, blower wheel, and drain pan—areas that aren’t accessible during routine homeowner maintenance. Give us a call today to schedule your annual mini split cleaning.

Check out a before and after below (videos in comments)

NEW SERVICE: Concrete Pad InstallationA solid foundation starts with a solid pad.Densmore Oil now offers concrete pad in...
06/02/2026

NEW SERVICE: Concrete Pad Installation

A solid foundation starts with a solid pad.

Densmore Oil now offers concrete pad installation for homeowners throughout Southeastern Connecticut and Southwestern Rhode Island. Whether you're installing a mailbox, grill, generator, heat pump, air conditioner, oil tank, propane tank, shed, pool equipment, trash/recycling enclosures, or other outdoor equipment, a professionally installed concrete pad provides a stable, level surface built to last.

Benefits of a concrete pad include:
• Improved equipment stability and support
• Better drainage and reduced settling
• Enhanced appearance and property value
• Long-lasting durability with minimal maintenance

From small equipment pads to custom-sized projects, our team can help prepare your property for years of reliable performance.

Call today to schedule an estimate or learn more about our concrete pad installation services.

It’s officially summer around here and we have begun our busy installation season. If you’re thinking about installing a...
05/29/2026

It’s officially summer around here and we have begun our busy installation season. If you’re thinking about installing a new ac system, now is the time to call!

We had a wonderful evening last night at the Mystic & Noank Library Spring Soirée fundraiser that Jamie Densmore Co-Chai...
05/29/2026

We had a wonderful evening last night at the Mystic & Noank Library Spring Soirée fundraiser that Jamie Densmore Co-Chaired. We are happy to support such a wonderful organization.

From heating and cooling to plumbing and concrete work, our team does it all. Take a look at some of our recent installa...
05/14/2026

From heating and cooling to plumbing and concrete work, our team does it all. Take a look at some of our recent installations as we prepare for the busy summer season ahead.

There’s always something happening around here. Take a look at some of the recent installations completed by our skilled...
05/12/2026

There’s always something happening around here. Take a look at some of the recent installations completed by our skilled team of technicians and plumbers. Bugbee Plumbing

Address

26 Old Stonington Road
Stonington, CT
06378

Opening Hours

Monday 8am - 4:30pm
Tuesday 8am - 4:30pm
Wednesday 8am - 4:30pm
Thursday 8am - 4:30pm
Friday 8am - 4:30pm

Telephone

+18605367927

Website

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