by Cromwell Energy | Jul 10, 2026 | Air Conditioning, Home Heating, HVAC
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...
by Cromwell Energy | Jul 10, 2026 | Home Heating, Oil Tank
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,...
by Cromwell Energy | Jun 29, 2026 | Home Heating, Oil Tank
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...
by Cromwell Energy | Jun 29, 2026 | Furnaces, Home Heating
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...
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...