Heating Oil & HVAC Company in Niantic, CT

Oil Heater Repair & Installation

Whether your Niantic, CT home needs a new boiler, furnace, or water heater, or if you are in need of a heating system repair to your current equipment, Densmore Oil Company’s licensed and trained staff is here to help. We sell, install, and service all types of oil-fired energy-efficient heating equipment. In addition to installations and repairs, we offer annual tune-ups, comprehensive service plans, and oil tank protection. Whatever your oil heating needs may be, Densmore has you covered! Click here for financing options.

  • Boiler & Furnace Repairs
  • Oil Burner Tune-Ups
  • Oil Heat Service Plans
  • Heating Oil Tank Protection

Call (860) 536-7927 or click here for more information about Densmore Oil Company’s heating services in Niantic, CT.

Experience the DensmoreDifference

When you work with a local full-service home comfort provider like Densmore, you’ll only need to make one phone call and we can help with anything from heating system repairs and equipment installation to air conditioning services, plumbing services, heating oil delivery, and so much more. We are proud to employ youthful technicians, offer military discounts, and be a woman-owned, 3rd-generation family business.


Plumbing Services in Niantic, CT

Densmore Oil Company provides a full suite of plumbing services when you need assistance. Whether it’s a running toilet, leaky faucet, clogged drain, or something else, we can handle it. Our highly trained team is led by a P1 Master Technician with more than 30 years of experience. We’re here to help with new plumbing installs, repairs, and any other project you need. Contact us for expert plumbing services for your home in Southeastern Connecticut.

  1. Plumbing service
  2. Plumbing installation
  3. Water filtration systems
  4. Water heaters


Biofuel Delivery in Niantic, CT

Doing more for our customers has always come naturally to our team. Did you know that every gallon of home heating oil we at Densmore Oil Company deliver is actually Bioheat®? That’s right: our standard heating fuel to deliver is a cleaner, greener biofuel blend that helps save the planet and promote heating system efficiency. Since more efficient heating equipment means more energy savings, it’s a win-win! Call us today at (860) 536-7927 to place a delivery order. Learn more about heating with Bioheat in Niantic, CT.


Air Conditioning Repair & Installation

Niantic, CT residents have trusted Densmore Oil Company for reliable fuel delivery and heating system service for decades, but did you know that we offer a full array of air conditioning services, too? Whether it is time to schedule an annual air conditioning system tune-up or you would live to save money on your annual energy bills for years to come with a new central air conditioning or mini-split installation, call on Densmore Oil Company for expert service. Click here for financing options.

  • Central Air Conditioning Repairs
  • Ductless Air Conditioning Repairs
  • Air Conditioning Tune-Ups
  • Central Air Conditioning Installation
  • Ductless Mini-Split Air Conditioning Installation

Learn more about Densmore Oil Company’s air conditioning services in Niantic, CT! Just call (860) 536-7927 or click here.

Densmore Oil Company: Oil Delivery, HVAC Service & More

Are you searching for a new heating oil company in Niantic, CT? Make sure to choose an energy provider you can depend on for more than just affordable pricing and routine fill-ups We at Densmore Oil Company pride ourselves on prompt fuel delivery and honest heating oil prices plus complete heating system and air conditioning system services. Can you depend on your current fuel oil company for all of that? If not, make the switch to Densmore today!


Competitive Heating Oil Prices in Niantic, CT

If you’re an oil heat consumer in New England, you know that quick delivery is not the only thing that matters when it comes to choosing a fuel provider; it’s also about paying a competitive price per gallon. As a customer of Densmore Oil Company, you can count on consistently affordable fuel oil prices along with the prompt delivery you need. What’s the price of heating oil today in Niantic, CT? Call (860) 536-7927 to find out and place your order!

Online Home Energy Account Access

At Densmore Oil Company, we strive to make sure all of our customers have the most convenient services available for their heating oil needs. That’s why we’ve added online bill payment to the list! Pay your heating oil bill online in seconds right here on our website with our secure payment portal. Become a Densmore Oil Company customer to take advantage of the many convenient services we offer for both heating and air conditioning. If you’re already a customer, click the button below to pay your fuel bill in seconds!



Oil Heat: Safe, Efficient, Affordable Fuel in Niantic, CT

Not sure which energy source is the best fit for your home and family this winter? Densmore Oil Company is here to share important information and helpful tips about heating with oil versus propane or natural gas for residents of Southern Connecticut and Southwestern Rhode Island.

Is oil heat a safe fuel?

Heating oil is a non-explosive home heating fuel and is one of the best energy sources for homeowners in Niantic, CT when it comes to safety. Plus, your local heating company can provide an annual tune-up on your complete heating system to further enhance its operation.

Is oil heat good for the environment?

With lower-than-ever greenhouse gas emissions, ultra-low sulfur heating oil being distributed throughout New England, and Bioheat being delivered by your local oil company, having access to an environmentally friendly heating source has never been easier.

Should I switch to natural gas or propane?

Converting to natural gas can cost more than $10,000 in parts and labor, while upgrading your current boiler or furnace to energy-efficient equipment can save you a significant amount of money on your annual fuel bills for years to come.

Which local oil company should I choose for my heating oil delivery?

For fuel delivery and more in Niantic, CT, you can count on Densmore Oil Company. One of the many conveniences to heating with oil is that you can choose which local company delivers your fuel and services your equipment. Trust that we are available to assist you any time you need it. Simply call us at (860) 536-7927 when you need service. Still want to learn more about heating with oil in Niantic, CT? Ready to become a Densmore Oil Company Customer? Call (860) 536-7927 or contact us here!

Military Discount for Home Heating Oil

Are you an active military member or a veteran?
Please take advantage of our military discount, which is inspired by our owner’s and our founder’s time spent in the service.


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: