Step into a world of warmth, comfort, and reliable energy solutions – become a valued member of the Wilcox Energy family today!
Best Fuel Delivery & HVAC Services In Connecticut
As an oil-heat user, you can rely on Wilcox Energy for prompt heating oil deliveries and fuel storage tank replacements, installations, and more. Click here to learn about our fuel oil services.
Wilcox Energy is known for fast and reliable propane services. You can count on us for all your propane and propane storage tank needs. Click to learn more about what Wilcox Energy can do for you.
We specialize in all types of heating services, including heater installations, repairs, maintenance, and more. Click to learn more about our commercial or residential heating system services.
You can count on our licensed HVAC technicians to provide you with reliable air conditioning services. We offer AC installations, replacements, repairs, maintenance, and more. Click to learn more.
Why Choose Wilcox Energy?
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Comprehensive Services
At Wilcox Energy, we're your one-stop solution for all your energy needs. From heating oil and propane, to a full range of heating and cooling equipment services, we've got you covered.
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Financial Flexibility
We know everyone's financial situation is different. Thats why we provide diverse payment options and plans tailored to accommodate a broad range of customer financial situations and planning preferences.
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Family Owned & Local
At Wilcox Energy, community is at the heart of everything we do. From our fuel delivery personnel to our friendly customer service representatives and skilled repair technicians, our team members are your neighbors,.
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We Are Here For You!
Wilcox Energy is renowned for its unwavering reliability, delivering top-tier services and solutions tailored to our customers' needs. With decades of experience and an unyielding commitment to excellence, our customers can rely on us for dependable service whenever they require it.
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.
Recent Articles
Dealing With A Decomposing Rodent In Your HVAC System
A foul odor lingers in your home, and no amount of cleaning makes it disappear. You may have even noticed a recent uptick in allergy symptoms. Could a rodent be the culprit—hidden somewhere deep within your HVAC system? Learn how to identify the signs, address the issue, and prevent it from happening again.
Signs Of Leaky Air Ducts You Shouldn’t Ignore
If your home feels too hot in some rooms and too cold in others, your air ducts might be the culprit. Leaky ductwork often goes unnoticed, yet it can drive up energy bills and more. Discover the key signs of air duct leaks and why addressing them promptly can make a big difference.
7 Reasons Your Filter Isn’t Improving Your Indoor Air Quality
Is your air filter falling short of delivering fresh, clean air? Many homeowners struggle with poor indoor air quality despite using filters. Understanding the hidden culprits behind this issue can make all the difference. From filter type to system maintenance, there are several factors that may be undermining your air quality efforts.


