How Much Electricity Does An Oil Furnace Use?



If you have an oil furnace in your home, you may be wondering how much electricity it consumes. Understanding the energy usage of your oil furnace can help you make informed decisions about energy efficiency and cost savings. In this article, we will discuss the average electricity consumption of an oil furnace and provide tips on how to reduce energy usage.

Understanding Oil Furnaces

An oil furnace is a heating system that uses oil as its primary fuel source. It works by burning oil to produce heat, which is then distributed throughout your home via ductwork. Unlike gas furnaces that rely on natural gas, oil furnaces require electricity to power certain components and controls.

Electricity Consumption of Oil Furnaces

On average, an oil furnace uses between 300 to 800 watts of electricity per hour. This consumption varies depending on factors such as the size of the furnace, the age of the system, and the specific components it contains. The electricity usage is mainly attributed to powering the blower motor, ignition system, and electronic controls.

Reducing Electricity Usage

If you are concerned about the electricity consumption of your oil furnace, there are several steps you can take to reduce energy usage:

1. Upgrade to a High-Efficiency Oil Furnace: Investing in a newer, more efficient oil furnace can significantly reduce electricity consumption. Look for models with a high Annual Fuel Utilization Efficiency (AFUE) rating, which indicates the furnace’s energy efficiency.

2. Improve Insulation: Properly insulating your home can help retain heat, reducing the workload on your oil furnace. Insulate your walls, attic, and windows to prevent heat loss and improve energy efficiency.

3. Regular Maintenance: Schedule regular maintenance for your oil furnace to ensure it operates at peak efficiency. Clean or replace air filters, lubricate moving parts, and check for any potential issues that may affect performance.

4. Programmable Thermostat: Install a programmable thermostat to control the temperature settings of your oil furnace. This allows you to set different temperatures for various times of the day, optimizing energy usage.


An oil furnace consumes an average of 300 to 800 watts of electricity per hour. By upgrading to a high-efficiency model, improving insulation, performing regular maintenance, and using a programmable thermostat, you can reduce the electricity consumption of your oil furnace and save on energy costs. Consider consulting with a professional HVAC technician for personalized recommendations based on your specific heating needs.