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Install an electric baseboard heater horizontally near the floor, on a dedicated circuit, screwed into studs, with the power off at the breaker.
For the full breakdown, see our best Baseboard Heater with a Thermostat guide.
An electric baseboard heater looks like a trim metal box, but it is a hardwired line-voltage appliance, not a plug-in space heater. Do the prep right and the job is manageable. This walkthrough covers how to install electric baseboard heaters from the code check to the final power-on test.
Most permanent baseboard units run on 240 V; 120 V models exist, and the heater has to match the circuit voltage exactly. If you are still choosing the heater, one with a thermostat saves an extra wall-box wiring step.
Is Electric Baseboard Heater Installation a DIY Job?
Electric baseboard heater installation is a realistic DIY project if you are comfortable working with line voltage, but it is not the job to learn wiring on. In US installations, NEC Article 424 governs fixed electric space-heating equipment.
Before you plan the layout, decide whether the room really needs a new dedicated circuit.
| Planning Item | Electric Baseboard Requirement |
|---|---|
| Heater rating | Unit voltage must match the circuit voltage |
| Mounting position | Horizontal near the floor; never mounted vertically or near the ceiling |
| Wall attachment | Screws driven into wall studs, not nails |
| Circuit | Dedicated branch circuit sized to the heater load |
| Conductor size | |
| Clearance | Spacing
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