Highlights
- Seen on Reddit — 2 mentions in r/Connecticut, mostly positive
- Emergency service — a 2023 customer cited same-day water heater replacement
- Careful minisplit install — a 2024 customer said rooms were left cleaner
- Friendly delivery contact — a 2025 customer praised the phone contact and driver
- A 25-year customer — a 2023 reviewer said they had been customers that long
Long Hill Energy describes itself on its website as a family owned business that delivers home heating oil and propane in and around the Connecticut shoreline, and says it also offers heating and air conditioning service, new installations and oil tank replacements. The company says it has been in business 30 years and lists a service area of Guilford, Madison, Clinton, Killingworth, Westbrook, Deep River, Chester and North Branford. A 2025 customer wrote that they had just received a delivery and praised everyone from the woman who answers the phone to the delivery driver. A 2023 customer said they had been customers for over 25 years and had received same day emergency service for both a water heater replacement and a furnace repair. A 2023 reviewer called the company honest and said it was quick to respond. The heating side goes beyond oil. A 2024 customer said Long Hill had serviced the family with oil for several years and installed AC throughout the house that year. A 2024 reviewer described a new minisplit installation, wrote that Dustin took time to answer questions about system options and rebates, and said protections were used for the walls and floors and the rooms were left cleaner than when the installers arrived. On r/Connecticut, a commenter calls Long Hill Energy pretty good and full service for anyone in Southern Middlesex.
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