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...

image of time to change sign depicting environmentally friendly propane

Why Is Propane Environmentally Friendly?

January 23, 2023

Governments and businesses are doing what they can to help the environment. If you wish to contribute to the green revolution, you can start in your own home. You can use an eco-friendly fuel such as propane instead of traditional energy sources. In this article, we answer the question, “Why is propane environmentally friendly?”.

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image of a buderus oil boiler installation

What To Look For In A New Oil Boiler For Your Home

January 17, 2023

An old boiler will significantly decline at some point, and you will feel a drop in your boiler’s efficiency, reliability, and performance. Unfortunately, a boiler repair may not be the most pragmatic move. It is time for a new oil boiler installation. This article discusses what you should look for in a new oil boiler.

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HVAC service

Signs Of An Oversized Furnace

January 9, 2023

When selecting a new furnace, bigger is not better. A heater that is too big will negatively impact the entire HVAC system. However, many homeowners make the mistake of installing an oversized furnace, causing poor home comfort, high energy costs, and more. This article discusses the top signs of an oversized furnace.

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hvac new year resolutions

New Year’s Resolutions For Your Home HVAC System In 2023

December 26, 2022

Your HVAC system should be a part of the resolutions that you make this New Year. From maintaining this equipment to replacing it entirely, this article discusses five New Year’s resolutions for HVAC systems that will help you get started.

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