Recent News & Resources
Read recent HVAC news, updates, and homeowner resources from Cromwell Energy – your local source for home heating oil delivery and HVAC services.
How to Calculate BTU Heating & Cooling Needs For Your Home in New England
Before replacing a furnace, boiler, air conditioner, or heat pump, it helps to understand one critical number: BTUs. BTU stands for British Thermal Unit. In HVAC terms, BTUs measure how much heating or cooling capacity a system can deliver. The right BTU capacity...
Replacing Your Oil Tank: What to Expect the Day of Replacement
For many Connecticut homeowners, replacing a heating oil tank can feel like a big project - especially if the tank is located in a basement, utility room, garage, or another tight space. The good news is that oil tank replacement is typically a structured,...
What’s the Average Life Expectancy of a Basement Oil Tank in New England?
For many Connecticut homeowners, a basement oil tank is simply part of the home - something tucked away in the corner that quietly stores fuel year after year. But like any major home system component, oil tanks do not last forever. Understanding the average lifespan...
How Does Oil Heat Work in My Home?
For many Connecticut homeowners, oil heat has been a trusted and reliable way to stay warm through long New England winters. But if you’ve ever wondered what actually happens when you turn up your thermostat, you’re not alone. At Cromwell Energy, we believe homeowners...
Mini Split vs. Central Air: Comparing Air Conditioning Options for Your Home
Choosing the right air conditioning system isn’t just about staying cool - it’s about comfort, efficiency, and long-term value for your home. For homeowners across Cromwell, Connecticut and the surrounding areas, two of the most popular options are ductless mini split...
The Benefits of Mini-Split Heat Pumps for Connecticut’s Spring & Fall Seasons
If you’ve lived through a few seasons in Connecticut, you know just how unpredictable spring and fall can be. One day it’s 65° and sunny, the next you’re reaching for the thermostat as temperatures dip into the 40s. These “shoulder seasons” can make it difficult - and...
Water Heater vs. Boiler: The Same or Different?
Homeowners often hear the terms water heater and boiler used interchangeably. Because both appliances heat water, it’s easy to assume they serve the same purpose. In reality, they perform very different roles in your home’s comfort and plumbing systems. Understanding...
Degrees to Dollars: How Much Can You Save By Lowering Your Thermostat?
When temperatures drop in Connecticut, heating systems often run for months at a time. That means even small thermostat adjustments can make a noticeable difference on your energy bill. Many homeowners ask the same question: Does lowering the thermostat by just a...
A Connecticut Homeowner’s Guide to Oil Boiler & Furnace Tune Ups
As a homeowner in Connecticut, you rely on your heating system to keep your family warm when temperatures plunge. One of the best ways to protect that investment and enjoy reliable heat all season is with regular oil boiler and furnace tune-ups. In this guide, we’ll...
Top 7 Reasons Why Your Furnace Keeps Turning Off/On (Short Cycling)
Is your furnace constantly turning on and off - running just a few minutes and then shutting off before your home gets warm? This frustrating behavior is known as short cycling. Not only does short cycling leave your house cold, it can also increase your energy bills...
What Are the Advantages & Disadvantages of a Tankless Water Heater?
Tankless water heaters are among the latest modern conveniences, providing an efficient and reliable hot water supply. However, traditional tank water heaters are also still a viable option for many homes. Take a closer look at the pros and cons of choosing a tankless...
Factors That Drive Home Heating Oil Prices in Connecticut (& New England)
If you heat your home with oil, you’ve probably noticed that your cost can vary quite a bit from year-to-year (and even within a season). Many homeowners assume “it’s just winter = more usage = higher price,” but the reality is a lot more complex - and many of the...
A2Ls Are Here: Understanding the Phase Out of R-410A and New Refrigerant Requirements
Another refrigerant changeout is underway. Yes, this means homeowners and commercial business owners must be prepared for the continued phase-out of older refrigerants. The HVAC industry must phase out R-410A and replace it with A2L refrigerants to comply with new...
What’s the HEATDOC™ Additive? Benefits for Your Oil & Your System
When it comes to keeping your Connecticut home warm and comfortable through our long New England winters, efficiency and reliability matter. That’s why Cromwell Energy offers HEATDOC™, a powerful heating oil additive designed to maximize your system’s performance,...
How to Lower Your Home Heating Bills This Winter in Connecticut
Winters in Connecticut can be long, cold, and expensive—especially when it comes to heating your home. The good news? With the right strategies, you can stay warm and comfortable while keeping your energy bills in check. At Cromwell Energy, we’ve been helping...
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Cromwell, CT, 06416
(860) 635-1234
Areas Served
Cromwell, CT - 06416
Portland, CT - 06480
Middletown, CT - 06457
Durham, CT - 06422
East Berlin, CT - 06023
Berlin, CT - 06037
South Glastonbury, CT - 06073
Glastonbury, CT - 06033
Middlefield, CT - 06455
East Hampton, CT - 06424
Rocky Hill, CT - 06067
Wethersfield, CT - 06109
West Hartford, CT - 06107
Newington, CT - 06111