Space heaters are convenient but often expensive to run. Heat pumps usually use much less electricity for the same comfort, which can make the monthly difference worth checking before you choose how to heat a room.
Open the prefilled estimate, then swap in your own wattage values if you know the exact appliance or system numbers.
Example comparison
That usage pattern adds up to about $302.40 per year.
A space heater can be the right tool for a small room, but the running cost is often much higher than a more efficient heating system. Comparing the two helps separate comfort from monthly electric cost.
If you are choosing between a portable heater and a heat pump or another efficient system, WattWise makes it easy to test the monthly and yearly cost difference.
Usually yes. Heat pumps are generally more efficient, so they often cost less to run for the same heating task.
Use the label or manual if you have it. If not, WattWise starter values give you a practical place to begin.
Yes. The comparison mode shows the monthly difference and the implied yearly savings automatically.