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...

Wilcox Energy HVAC technician attending to outdoor ductless AC unit

Quick Guide: Unfreezing Your AC Coils In 7 Steps

June 21, 2024

As summer heats up, keeping your air conditioner in peak condition is crucial. A common issue that can compromise your AC’s performance is a frozen coil. This guide explains the causes, signs, and dangers of frozen AC coils and provides a straightforward, simple steps to thaw them, ensuring your home stays cool and comfortable.

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woman using hand fan due to indoor humidity

Air Conditioner Not Removing Humidity: Find Out Why And What To Do Next

June 21, 2024

If your air conditioner isn’t removing humidity, it could signal a problem. While cooling is vital, moisture control is equally crucial. High humidity can persist even with lower temperatures. Checking for common issues and consulting professional HVAC technicians can help diagnose the cause and restore your system to optimal performance.

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propane tank installation in the garden

Can I Landscape Around My Propane Tank?

June 21, 2024

Imagine your perfect outdoor oasis, only to have a propane tank standing out like a sore thumb. Integrating this essential utility into your yard can be challenging, but it’s not impossible. Discover tips and tricks to seamlessly blend your propane tank into your landscape, ensuring both beauty and safety in your outdoor space.

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chiller boiler for hydronic cooling and air conditioning

Optimizing Hydronic Cooling with Chiller Boiler Systems

June 21, 2024

The emphasis on sustainability in the HVAC industry brings advanced cooling technologies like chiller boiler systems (hydronic cooling) to the forefront. These systems offer significant energy efficiency for both residential and commercial settings by integrating heating and cooling capabilities into one solution. This article explores how chiller boiler systems achieve this.

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