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.
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 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.

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.

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.
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.
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...
7 Reasons Your Filter Isn’t Improving Your Indoor Air Quality
Indoor air looks clean and clear, yet it is often filled with unseen pollutants. Fortunately, your current HVAC system has air filters in place that are designed to capture these pollutants. However, in certain situations, your filter can perform poorly. This article discusses some of the common reasons why this happens.
Read MoreUse Your HVAC System To Manage Seasonal Allergies
Many of Americans are affected by allergies every year. If you identify as one of these people, you may want to consider making some easy adjustments to your house to help improve your comfort. This article discusses how to use your HVAC system to help manage those annoying seasonal allergies.
Read MoreNet Zero Emissions: What You Need To Know
Wilcox Energy recognizes the environmental impact of carbon-based fuels. As a result, we have been a leader in the heating oil industry with our commitment to developing Bioheat® heating oil, an alternative to carbon fuel. This article discusses how Bioheat® heating oil helps reduce carbon emissions to meet the net-zero goal of 2050.
Read MoreWhy Is My Air Conditioner Making Noise?
An air conditioner making noise can also indicate a bigger AC problem that should be checked by a professional HVAC technician immediately. Noises typically point to a part (or several parts) that are not working as intended. As a result, the air conditioning system might not be running as it should.
Read More