How Does a Heating Oil Furnace Work?

Written on: April 19, 2024

Your Furnace Heats the Air in Your Home

oil furnace Today’s energy-efficient heating oil furnaces offer Hudson Valley homeowners a great opportunity to increase their comfort while decreasing their energy usage. New furnaces can now heat a home using significantly less energy compared to older-generation equipment.

Knowing more about how your furnace works will help you to make smart choices if you’re considering replacing your old heating system with a new, high-efficiency model. And if you’re having a heating problem, knowing more about how your furnace works will be helpful when you discuss the issue with your heating oil service technician.

A Closer Look at Heating Oil Furnaces

A furnace, also known as a warm-air or forced-air system, produces heated air inside its combustion chamber. Here is how that warm air then gets distributed throughout your home.

Benefits of a Furnace

Besides heat, the ductwork that connects with your furnace can provide other kinds of conditioned air, including through:

Old Furnaces Vs. New Furnaces

The furnaces of today can run at a range of speeds and include other efficiency-enhancing features, such as microprocessor-based controls, high-pressure flame-retention burners and durable heat exchangers. Here is a look at different furnaces work, according to the U.S. Energy Department. The newer the furnace, the higher its efficiency rating, which is defined by its Annual Fuel Utilization Efficiency (AFUE).

Older, low-efficiency furnaces:

Mid-efficiency furnaces:

High-efficiency furnaces:

Replacing Your Old Heating Oil Furnace

If your heating oil furnace is more than 20 years old, or if you’ve had a few repairs or breakdowns in the last couple of years, it’s time to start thinking about replacing your heating equipment. As noted above, today’s high-efficiency furnaces provide extra heat more efficiently than units made a generation ago.
Higher efficiency means more energy savings, which of course translates into lower energy costs. This is why it pays to learn as much as you can about today’s high-tech heating solutions—and your heating oil equipment service contractor can help you with the latest information on new, high-efficiency heating oil furnaces.
When discussing your heating oil furnace replacement options with your heating expert, you’ll most likely learn about the importance of proper sizing.

If you’re ready to explore new heating oil system options for your home, your heating oil equipment service provider will be happy to help. Please remember to ask about current rebate opportunities for new heating oil equipment.