Long Hill Energy
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Long Hill Energy
Long Hill Oil began as a single truck discount oil delivery company in the early 1980s. In 1987 the Flagge family purchased the company making us the oldest discount oil company serving the CT Shoreline. We now offer a lot more than we did in 1987 but remain loyal to our promise of top-quality heating oil and fuels at the lowest prices possible.

Our facility in Clinton CT houses our office, our fleet of oil and service trucks, as well as our bulk storage plant. As the company has grown, we have changed the name from Long Hill Oil to Long Hill Energy to represent a better range of services that we offer today.
Services
Long Hill Energy is a family owned business that delivers home heating oil in and around the Connecticut shoreline. We also supply on and off-road diesel fuels. In addition we offer heating and air conditioning services including tune ups, new installations and oil tank replacements. Our company has been serving the Shoreline for over 30 years.
Our heating oil is not the same as every other company. However, all of our heating oil gets treated at our storage facility with an additive package designed to provide optimum efficiency, avoid service calls, reduce fuel consumption, and extend the life of your heating system. Automatic delivery used to be reserved only for those expensive full-service oil companies.
Reviews (4)
Peter C.
Peter C.
Jul 20, 2020
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Very responsive and proactive. Great customer service and helpful advice. Had a boiler, tanks, valves and controls installed very professionally and reasonably.
Eric Bergman
Eric Bergman
Sep 09, 2019
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Very impressed with Dustin's professionalism. His quote for an oil furnace was fair, and he answered all my questions clearly.
John O'Leary
John O'Leary
Jun 06, 2019
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Great family business! Super customer service and that's why I have been a customer for 20 years.
Nate Purdue
Nate Purdue
May 31, 2018
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Called on a Saturday morning and got a delivery an hour later! Had our boiler system replaced by them and it works amazing