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39 Years
experience
Trusted Heating Oil and HVAC Services in Clinton, CT
Long Hill Energy has been a trusted provider of home heating oil, propane, and HVAC services along the Connecticut shoreline since the early 1980s. As a family-owned business, we prioritize delivering top-quality fuels and equipment at competitive prices while maintaining a commitment to customer satisfaction. Our services include automatic delivery, tank monitoring, and HVAC repair and installation, supported by over 30 years of experience serving communities like Guilford, Madison, and Clinton.

We operate from our Clinton, CT facility, offering free estimates and flexible service contracts to meet diverse customer needs. Our growth from a single-truck oil delivery company to a comprehensive energy solutions provider reflects our dedication to innovation and reliability in the heating and fuel industry.
Services
Heating Oil Delivery HVAC Services Propane Delivery Diesel Fuel Supply Tank Monitoring
Details
  • Year established: 1987
Highlights and features
  • We have over 30 years of experience serving the CT shoreline community.
  • Our family-owned business prioritizes personalized customer service and competitive pricing.
  • We offer automatic delivery and tank monitoring for heating oil and propane.
  • Free estimates are available for HVAC equipment and oil tank installations.
  • Flexible service contracts cover parts and labor for long-term peace of mind.
Services
Heating Oil Delivery
Our heating oil is treated with additives to maximize efficiency and extend system lifespan. We offer automatic delivery and tank monitoring to prevent service interruptions. Customers benefit from competitive pricing and budget plans tailored to winter heating needs.
HVAC Services
We provide comprehensive HVAC repair, replacement, and maintenance for residential systems. Services include boiler and furnace upgrades, ductless splits, and annual tune-ups. Free estimates ensure transparent pricing for new equipment installations.
Propane Delivery
Reliable propane delivery supports home heating and outdoor applications. Our service includes tank installations and monitoring to maintain consistent supply levels. Competitive rates and flexible payment options simplify energy management for customers.
Diesel Fuel Supply
We supply on-road and off-road diesel fuel for residential and commercial use. Deliveries cater to backup generators, agricultural equipment, and fleet vehicles. Our Clinton facility ensures prompt service across the shoreline region.
Tank Monitoring
Our tank monitoring system tracks fuel levels in real time, enabling proactive deliveries. This service prevents emergencies and optimizes fuel usage. It integrates with automatic delivery programs for seamless energy management.
Questions
What areas do you serve for oil delivery?
We deliver heating oil, propane, and diesel in Guilford, Madison, Clinton, Killingworth, Westbrook, and partial coverage in Deep River, Chester, and North Branford.
Do you offer automatic heating oil delivery?
Yes, we provide free automatic delivery and tank monitoring to ensure consistent fuel supply without manual checks.
What HVAC services are available?
We offer furnace and boiler repair/replacement, ductless splits, air conditioning services, and annual tune-ups with free equipment estimates.
How can I cancel automatic delivery?
Contact Lisa directly at (860) 664-3835 during business hours to cancel automatic delivery—voicemail requests are not accepted.
Are budget plans available for heating oil?
Yes, we offer prepaid fixed-price contracts and budget plans to help manage winter fuel costs predictably.