Is Propane or Electric Space Heater Cheaper?

Heating your home or workspace can be a significant expense, and choosing the right type of space heater can make a big difference in your energy costs. When it comes to the debate between propane and electric space heaters, there are several factors to consider to determine which option is more cost-effective for your specific needs.

Fuel Costs

One of the primary factors in determining the cost-effectiveness of a space heater is the price of the fuel. According to the U.S. Energy Information Administration (EIA), the average residential price of propane in the United States was $2.91 per gallon as of January 2023, while the average residential price of electricity was $0.1425 per kilowatt-hour (kWh).

To compare the fuel costs, let’s consider a scenario where a 1,000 square foot space requires 1,000 BTUs per square foot per month to heat. This would equate to a total of 1,000,000 BTUs needed per month.

Using the conversion factor of 91,452 BTUs per gallon of propane, the space would require approximately 10.9 gallons of propane per month. At a price of $2.91 per gallon, the monthly cost of propane would be around $31.72.

On the other hand, using the conversion factor of 3,412 BTUs per kWh, the space would require approximately 293 kWh of electricity per month. At a price of $0.1425 per kWh, the monthly cost of electricity would be around $41.74.

Based on these calculations, the propane space heater would be the more cost-effective option, with a monthly fuel cost that is approximately $10 less than the electric space heater.

Efficiency and Heating Capacity

is propane or electric space heater cheaper

In addition to fuel costs, the efficiency and heating capacity of the space heater are also important factors to consider. Propane space heaters generally have a higher BTU output than electric heaters, meaning they can heat larger spaces more quickly and efficiently.

According to the Department of Energy, propane space heaters typically have an efficiency rating of 80-90%, while electric space heaters have an efficiency rating of 100%. However, it’s important to note that the actual efficiency of the heating system can vary depending on factors such as the age and condition of the equipment, as well as the insulation and air sealing of the space being heated.

Portability and Installation

Electric space heaters tend to be more portable and easier to install than propane heaters, as they do not require any venting or gas line connections. This can make them a more convenient option for heating smaller spaces or for use in different locations.

Propane space heaters, on the other hand, require proper ventilation and gas line connections, which can make them more complex to install and less portable. However, they can be a better option for heating larger spaces or areas that are not well-insulated.

Environmental Considerations

Another factor to consider is the environmental impact of the heating system. Propane is a fossil fuel, and its combustion can release greenhouse gases and other pollutants into the atmosphere. Electric space heaters, on the other hand, do not produce any direct emissions, although the environmental impact of the electricity used to power them will depend on the source of the electricity (e.g., renewable vs. fossil fuel-based).

Backup Power Considerations

In the event of a power outage, propane space heaters can continue to operate, as they do not rely on electricity to function. This can be a significant advantage in areas prone to power outages or during extreme weather events. Electric space heaters, on the other hand, will not be able to operate without a power source.

Conclusion

In conclusion, the decision of whether to use a propane or electric space heater depends on a variety of factors, including the cost and availability of each fuel, the efficiency and heating capacity of the equipment, the size and insulation of the space being heated, and the environmental and backup power considerations.

By carefully evaluating these factors and using the formulas and calculations provided, you can determine the most cost-effective option for your specific heating needs. Remember to also consider the long-term operating costs and maintenance requirements of each type of space heater to make an informed decision.

References:
– U.S. Energy Information Administration (EIA), “U.S. Residential Propane Prices,” accessed March 2023.
– U.S. Energy Information Administration (EIA), “U.S. Residential Electricity Prices,” accessed March 2023.
– U.S. Department of Energy, “Heating and Cooling,” accessed March 2023.
– CNET, “How much a space heater can save you on heating costs,” December 10, 2023.
– iRV2 Forums, “Which Is Cheaper…electric or propane??,” December 2, 2021.
– Keystone Forums, “Space heaters vs Propane furnace, which is cheaper to run?,” October 28, 2013.
– One Hour Heating & Air Conditioning, “Electric vs. Propane Heat Cost and Maintenance Comparison,” 2023.
– Petro Home Services, “Propane vs. electric heating: comparing costs and benefits,” 2023.