Do Baseboard Heaters Use Electricity When Turned Off. I would turn off the heat and call a licensed electrician if I were you. All electric heaters are 100 efficient at converting electricity to heat regardless of how old they are so replacing old baseboards with newer ones wont save you any energy.

HVAC Heats an Entire Home at Once. Baseboard heaters tend to be more expensive to power if you regularly turn them on and off or if you tend to change the temperate a lot. You could have a mis-wired system that is dumping heat into a wall or something causing a fire hazard.
This can be rectified by making sure that the breaker is not tripping.
Electric baseboard heaters provide a convenient and economical way to heat your home. HVAC Heats an Entire Home at Once. To determine the cost of operating a baseboard heater look at the wattage of the heater and divide by 1000 to get the kilowatts. 5 Ways to Reduce Your Heating Costs With Baseboard Heaters There are other ways you can maximize your energy efficiency and reduce the heating costs of using electric baseboard heat.

