When it comes to Total Home Comfort, Wilcox Energy has you covered!

Trust us for:

  • Bioheat Heating Oil Delivery
  • Propane Delivery
  • Heating System Service & Installation
  • Air Conditioning Service & Installation

Small Enough to Care. Big Enough to Deliver. Call us 860-399-6218

Wilcox Energy is a privately owned, local Westbrook, CT company since 1955.
We live here, raise our kids here and we’re proud to give back to our community in many ways.

Heating Oil

Wilcox Energy has been delivering home heating oil in CT since 1955. We deliver a custom blend of Ultra Low Sulfur Heating Oil & BioHeat, giving you the cleanest fuel source available on the market today! Rely on our friendly drivers to deliver your oil when it counts, on time, every time!

Propane

We take pride in providing reliable, safe, dependable local propane deliveries to our customers. Switching to Wilcox Energy is EASY! We make it easy to do business with us. Call today for a free estimate and see how simple it is to switch to Wilcox Energy for all of your propane needs.

Heating

We repair, service, and install heating systems for your home or business. We work with gas, oil, propane and electric furnaces, boilers, heat pumps and ductless systems. Trust us to keep you warm and safe 24 hours a day. We will answer your call day and night.  Professional Installation Service.

Cooling

We service and install all types of central air conditioning systems in your home or business.  We also install, service and repair mini-split ductless cooling systems.  We work on all major makes and models. Whatever it takes to keep you cool, we are your local HVAC company.

Why Choose Wilcox Energy:

  • Trusted in the Community
  • We deliver a Superior Product
  • We don’t just “sell oil.”
  • We’re familiar
  • We serve the shoreline and surrounding towns
  • We’re committed to improving Energy for you
  • We help you plan
  • We help you weigh your options

What Our Customers Say About Us...

They Never Let Us Down...

We have been a Wilcox customer for almost 20 years and they have never let us down. We have had our share of emergencies over the years, and we trust Wilcox for their professional work and quick response time. We just had a new water heating system installed today, and the technicians, Roger and Vidal, were great! They were friendly, knowledgeable, efficient, and did an awesome job. Thanks to all the folks at Wilcox Energy for being there when we need you!

~ Jeff Ward on Google

Overall a Good Company...

Overall a good company. Been using them for about 3 years now. They are great with the oil delivery and we have had no problems with their propane business.

~ Timothy O'Leary on Google

Polite, Informative, and On Time...

Being a very happy customer, my service today made my Wilcox experience even better. The service tech Justin J. Was polite, informative and on time. These are very important to me. Great service great tech 5 stars in my book. Wilcox also hires veterans, major bonus. Thanks again.

~ James Gordy on Google

Leaving A Better Planet For Our Children...

Case Studies

Sometimes seeing an actual project is the best way to gauge how effective a contractor can be for your particular needs and situation. That is why we compiled a series of case studies for you to view.

propane storage tank installation service

Propane Tank Installation

Our clients had a whole house generator installed in their home. With the new generator, they required a larger propane tank than the one that they had initially.

View the Case Study

cooling system installation lyme ct

AC Replacement

The Lyme Firehouse felt uncomfortable due to the poor performance of their window air conditioning units. Also, they wanted to reduce the high energy costs that come with these types of cooling systems.

View the Case Study

ductless ac installation project in Madison CT

Ductless Cooling

After many years of use, our clients decided that window air conditioning units were noisy, expensive to use, and their house still felt hot and sticky. Our homeowners wanted a better solution to combat the heat.

View the Case Study

Comfort Begins With Change

Make the switch today and see why Wilcox Energy is right for you.

Helping you take care of your home and family.

Everything you could need to stay on top of what matters most to you.

BioHeat - Heating Oil Delivery

Propane Delivery

Storage Facility Advantage

24/7 Emergency Service

A/C Installation

A/C Repair

Heating System Installation

Heating System Repair

Annual Tune-ups

Service Protection Plans

Energy Conservation Services

Top Notch Service

Our service area includes these towns in Connecticut:  Westbrook, Clinton, Madison, Guilford, Killingworth, Chester, Deep River, Essex, Old Saybrook, Old Lyme, Lyme, Niantic, East Lyme, and East Haddam.  Please note that in Guilford and East Haddam, we serve only homes located within a 25-mile radius of our office.

From our Blog...

swimming pool at night in the fall depicting propane pool heater

Dive into Warmth: The Benefits of Propane Pool Heating Systems

November 27, 2023

The pool heating market offers many options, but propane stands out for its efficiency, reliability, and eco-friendliness. Those aiming for warm pools with a lower environmental impact will find propane appealing. As an increasingly popular choice, this article delves into the benefits and features that come with propane pool heaters.

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image of an overheating furnace

Top Signs Your Furnace Is Overheating

November 20, 2023

Facing frequent issues with your furnace? Overheating might be the culprit. This article highlights the telltale signs of an overheating furnace, the potential dangers it poses, and what actions you should take. Prolonged overheating can lead to costly damages and repairs. Be informed and ensure the safety and efficiency of your heating system.

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image of a question marks depicting How Does An Oil Heating System Work

How Does An Oil Heating System Work?

November 13, 2023

Oil heating systems are cost-effective, efficient, and environmentally friendly. Newer oil heating systems boast impressive AFUE ratings, further enhancing their efficiency. This article answers the question, “How does an oil heating system work?”. We’ll provide an overview of oil heating systems and their operation and debunk some common misconceptions along the way.

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image of a list depicting 10 things to know about propane gas

10 Things You Might Not Know About Propane Gas

October 23, 2023

In the bustling rhythm of contemporary life, the role of propane gas emerges as both substantial and pervasive. Serving as a lifeline in various residential, commercial, and industrial setups, its presence is almost ubiquitous yet often overlooked. This article discusses ten things that you may not know about propane gas.

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