(203) 529-4958
Serving Fairfield, Litchfield and New Haven counties since 1982.
  • heating oil delivery

    Prompt, Affordable Heating Oil Delivery

    The best heating oil and diesel fuel supplier in Fairfield, Litchfield and New Haven counties.

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  • satisfied customers

    Get the Right Heating or Cooling System for You

    We sell, install, maintain, and repair a wide range of heating and cooling systems.

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  • EZ pay

    Pay the EZ Way

    Join the EZ Pay plan this spring and lower your heating bills next winter.

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  • Prompt, Affordable Heating Oil Delivery
  • Get the Right Heating or Cooling System for You
  • Pay the EZ Way
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Our Blog

Taking a Closer Look at Price Protection

Jennings Oil has always been committed to taking the worry out of heating your home. That’s why we offer our customers insurance against price uncertainty by giving them the choice…

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Call on Jennings Oil, The #1 Heating Oil Supplier and Cooling System Sales and Service in CT.

Serving satisfied customers in Danbury and throughout Fairfield, Litchfield & New Haven counties, CT.

If you are already a Jennings Oil delivery customer, then you already know how dedicated we are to customer satisfaction. So why not call on the most reliable heating oil supplier in CT to support your home heating and cooling equipment needs, too? Our experts are factory trained on installations and servicing of the latest energy efficient home heating systems.

Beyond our dedication to customer service, we are also committed to help our customers save money and budget their energy costs. We urge you to learn about our Price Protection, EZ Pay, and service plans.

If you are looking for a full-service heating oil supplier in Fairfield, Litchfield, or New Haven counties, then search no more. Our family has been serving families like yours for over 80 years in your neighborhood!

We thank you and all our site visitors for your interest in Jennings Oil.

Please contact us if you have any questions or needs that we can help you with today!