by Cromwell Energy | Apr 30, 2026 | Furnaces, Home Heating
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...
by Cromwell Energy | Mar 19, 2026 | Boilers, Furnaces, Home Heating
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...
by Cromwell Energy | Feb 24, 2026 | Furnaces, Home Heating
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...
by Cromwell Energy | Jan 19, 2026 | Home Heating, 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...
by Cromwell Energy | Dec 15, 2025 | Home Heating
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...
by Cromwell Energy | Nov 18, 2025 | Home Heating
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,...
