In most all cases, multiple baseboard heaters can be connected together if the total operational amperage does not exceed the wires and circuit breaker’s capacity. If the heater is too large it must be wired on a separate circuit.

How many 240V baseboard heaters can I put on one circuit?

So a 240-volt circuit running on a 20-amp, double-pole breaker, can have any combination of heaters up to 3,840 watts. For example, using just one thermostat, you can install: Two 1,500 watt heaters, or. Three 1,000 watt heaters, or.

How many baseboard heaters can you have on a circuit?





If you use 240V baseboard heaters, the 20-amp circuit can support a net total of 4,800 W. That’s two 2,000 W baseboard heaters or three 1,500 W baseboard heaters. In short, a 20-amp circuit can handle anywhere from 2,400 W to 4,800 W of baseboard heater electric power input. It all depends on the voltage.

Do baseboard heaters have to be on a circuit separate from other equipment?

240-volt baseboard heaters are in need of a dedicated circuit to supply enough power for proper functionality. The general rule of thumb is that baseboard heaters need a 20-amp circuit that requires a 12-gauge wire for either type heater.

How many baseboard heaters do I need per room?

As a rule of thumb, assume a room requires 10 watts of electric heating per square foot of room. In other words, a 10×10 room (100 square feet) will require 1,000 watts of electric baseboard heating. This heating can be provided by a single baseboard heater mounted on the wall.

Can you put 2 baseboard heaters together?

In most all cases, multiple baseboard heaters can be connected together if the total operational amperage does not exceed the wires and circuit breaker’s capacity. If the heater is too large it must be wired on a separate circuit.

How do you run multiple baseboard heaters?





If you feel uncomfortable working with electricity hire an electrician. All heaters must be wired in parallel. You can either do that by connecting each heater to the thermostat directly, or by connecting each heater to the next — just be sure that each heater is connected to the source wires.

What size breaker do I need for a 240-volt heater?

Adding a 240-volt baseboard heater usually requires a new 20- or 30-amp double-pole circuit breaker and new circuit wiring to supply one or more heater units.

How many heaters can you run on a 20 amp circuit?

A 20-amp breaker can support any combination of heaters up to a total of 3,840 watts. For example, using a single thermostat, the breaker could support two 1500-watt heaters or three 1000-watt heaters.

Can one thermostat control two heaters?

Yes, but all heaters being controlled by thermostat must be installed within the same room/zone. Each thermostat can control up to 16 amps of heating and maximum of two heaters can be wired directly into the back of the thermostat. If installing more than two heaters connect in parallel via a junction box.

How do you wire two heaters in parallel?



Connecting the heaters in parallel means that essentially the two wires coming from the power source (the thermostat) go to the two ends of the first heater, and the same two wires then continue on and are connected to the two ends of the second heater as well.

How do you wire a 240V baseboard heater?


Quote from Youtube video: Using wire connectors connect one of the black thermostat wires to one of the heater wires. Then connect the remaining black thermostat wire to the remaining heater wire.

Can a 240V heater run on 120v?

Installing a 240-volt heater on a 120-volt circuit is not as big a safety risk, but you will notice that your heater will fail to work most times. When it does run, it will end up giving out much less heat than what you needed for your room and below what you expected.

Is a 240V heater more efficient than 120V?



240V is most common for electrical appliances which require more power, such as a dryer, electric stove, or hot tub. There is no difference in efficiency in our heaters between 120V and 240V (or any other voltage). The reason why 240V is advantageous for appliances and heaters in a home has to do with amperage.

Is it cheaper to run 240 or 120?

The simple answer to that is that they are almost the same cost to operate or are just within a few dollars. Most people think that 240V is cheaper because it uses half the amps that 120V uses. Amps isn’t what consumers pay for, it’s actually the wattage used by the electrical device.

Is it less expensive to operate the electric heating unit on 240V or 120V?

The simple answer is that they are almost the same price to operate.

What would be the advantage of 240 volts rather than 120 volts on a load with the same wattage?

When it comes down to it, the main advantage of 240-volt power over 120-volt power boils down to one simple point, and it is referred to as Joule’s Law, which is : Power is equal to voltage times current. Twice the voltage will transfer twice the power.

Is 240V same as 220V?



Answer. In North America, the terms 220V, 230V, and 240V all refer to the same system voltage level.