Daniels Energy is a proud, family-owned and operated company rooted in Connecticut. For nearly a century,
we’ve helped homeowners and businesses across Central Connecticut and the Shoreline stay comfortable
with reliable heating oil and propane delivery, and expert HVAC installations and service.
What began in 1926 has grown into a full-service energy partner built on integrity, craftsmanship, and neighborly care.

What We Do

Heating Oil & Biofuel Delivery — Automatic and on-demand delivery, budget and price-protection options, and expert tank guidance. 

Propane Delivery & Services — Safe, efficient delivery with professional tank installation, leak testing, and system maintenance. 

Heating & Cooling (HVAC) — Installation, repairs, and maintenance for furnaces, boilers, central air, and ductless heat pump systems. 

Service Plans & Financing — Protect your equipment and manage costs with our service plans and budget-friendly payment options.

<h2>Our Service Area</h2>
Daniels Energy serves communities across Central Connecticut and along the Shoreline from our Portland and Old Saybrook locations.
See our current <a href="https://www.danielsenergy.com/oil-delivery-and-service-area/">Heating Oil Service Area</a> and <a href="https://www.danielsenergy.com/propane-delivery-service-area/">Propane Service Area</a>, or call us for availability in your town.