Is a 240 volt heater more efficient than a 120 volt heater? Baseboard heaters come in two styles, 120-volt or 240-volt heating styles. Although 120-volt baseboard heaters are the popular choice because it uses only a single circuit, 240-volt baseboard heaters are much more efficient because they utilize both legs of power, cutting the power demand sometimes in half.
How many amps does a 240v garage heater use? A 240-volt baseboard heater requires its own dedicated 20-amp or 30-amp 240-volt electrical circuit.
What size wire do I need for a 240 volt garage heater?
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How do you wire a 240 volt garage heater?