Running a space heater can be an effective way to heat a specific area of your home, but it’s important to understand the cost associated with its operation. To calculate the cost of running a space heater, you’ll need to consider several key factors, including the heater’s wattage, the number of hours it’s used, and the cost of electricity in your area.

## Calculating the Cost per Hour

The formula to calculate the cost per hour of running a space heater is:

Cost per hour = (Wattage ÷ 1000) x Electricity rate per kWh

For example, if you have a 1500-watt space heater and the electricity rate in your area is $0.10 per kWh, the cost per hour would be:

Cost per hour = (1500 ÷ 1000) x $0.10 = $0.15

This means that for every hour you run the 1500-watt space heater, it will cost you $0.15.

## Calculating the Cost per Day

To calculate the cost per day, you’ll need to multiply the cost per hour by the number of hours you use the space heater per day. For instance, if you use the space heater for 8 hours per day, the cost per day would be:

Cost per day = Cost per hour x Hours per day

Cost per day = $0.15 x 8 = $1.20

## Calculating the Cost per Month

To calculate the cost per month, you’ll need to multiply the cost per day by the number of days in the month. For example, if there are 30 days in the month, the cost per month would be:

Cost per month = Cost per day x Days per month

Cost per month = $1.20 x 30 = $36.00

## Factors Affecting Space Heater Cost

It’s important to note that the cost of running a space heater can vary depending on several factors:

**Wattage**: The higher the wattage of the space heater, the more energy it will consume and the higher the cost.**Hours of Use**: The more hours you use the space heater, the higher the overall cost will be.**Electricity Rate**: The cost of electricity per kWh in your area can significantly impact the cost of running a space heater.

## Determining Amperage

In addition to the cost, it’s also important to consider the technical specifications of the space heater, such as the wattage, amperage, and voltage. These specifications can affect the performance and safety of the space heater.

To determine the number of amps a space heater draws, you can divide the wattage by the voltage. For example, if you have a 1500-watt space heater that operates at 120V, the amperage would be:

Amperage = Wattage ÷ Voltage

Amperage = 1500 ÷ 120 = 12.5 amps

This information is crucial for ensuring the electrical circuit you plan to use can handle the load without tripping the breaker.

## Conclusion

Calculating the cost of running a space heater involves considering the wattage of the heater, the number of hours it’s used, and the cost of electricity per kWh in your area. By understanding these factors, you can estimate the cost and make informed decisions about your heating solutions.

References:

- CNET – Yes, Using a Space Heater Could Save You Hundreds on Heating Costs This Winter
- King Electric – How Much Does It Cost to Run My Heater?
- Perch Energy – Space Heater Electricity Use & Cost Calculator
- Energy Use Calculator – Space Heater Electricity Usage and Cost
- Govee – How to Determine the Cost and Energy Consumption of Space Heaters