According to Cadet support, they recommend 8-10 watts per square foot when electric baseboards are used as a primary heat source. And 6-7 watts per square foot when they are used for supplemental heat.
How do I calculate how much electric baseboard heat I need?
A very simple method for determining how much total heating wattage you need can be found by calculating the square footage of the room, then multiplying this by 10 watts to produce a baseline wattage requirement. For example, if you are heating a 12-foot x 12-foot bedroom, it will have 144 square feet.
What size baseboard heat do I need?
Generally, an electric baseboard heater should have 10 watts of power for every square foot of space you need to heat. So a 100-square-foot room would need a 1,000-watt heater to serve as the primary heat source.
How do I calculate BTU for baseboard heat?
How to Size Hot Water Baseboard Heaters
- Measure the height of the room, the width of the room and the length of the room. …
- Multiply the cubic footage of a room by 25 BTUs to determine the rough estimate of BTU requirements for the room. …
- Add 25 BTU per cubic foot if your home has moderate to fair insulation.
How many baseboard heaters can I put on a 30 amp circuit?
These three baseboard heaters can be connected to a two-pole 30-amp breaker that is supplying power to the heaters with a two-wire 10-gauge ROMEX® cable-type wire.
What size room will a 1500 watt heater heat?
150 square feet
As a rule of thumb, you’ll need roughly 10 watts of heating power for every square foot of floor area in the room. This means that a 1,500-watt heater can be the primary heat source for an area measuring up to 150 square feet.
Why do baseboard heaters need to be under a window?
Placing a baseboard heater right under the window can reduce drafts. The warm air from the heater will rise and heat the cold air flowing down from the window. No more cold draft across the floor. Another good thing happens with the heat source below the window.
How many BTU of heat do you need per square foot?
Warmer climates along the southern part of the United States – considered Zone 1 or 2 – require 30-40 BTU per square foot. The middle part of the country – Zone 3 and 4 – require between 40-45 BTU per square foot, while the northern areas of Zone 5 need up to 60 BTUs per square foot.
What size room will a 500 watt heater heat?
What Size Electric Heater do I need?
| Room Size (Sq Ft with 8 foot ceiling) | Watts (Poor Insulation) | Watts (Fully Insulation) |
|---|---|---|
| 20 square feet | 250 | 250 |
| 40 square feet | 500 | 500 |
| 60 square feet | 750 | 450 |
| 80 square feet | 1000 | 750 |
Are electric baseboard heaters 110 or 220?
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.
Can you put 2 baseboard heaters on the same 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 square feet will a baseboard heater heat?
The wattage information is specified on the heater packaging and labeling. Typically, a 1,500 watt/240-volt unit can heat a 150 to 175 square-foot room.
How many baseboard heaters can be on one breaker?
A circuit running on a 20-amp double-pole breaker can have any combination of heaters up to 3,840 watt. You can install two 1,500 watt heaters if you use just one thermostat.
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.
What size breaker do I need for a 15000 watt heater?
A 15,000 W heater @ 240V = 62.5 A continuous. Which means it actually needs 78.125 A rating ==> 80 A breaker. That is a lot of power. But more important than it needing that much power, they should be telling you to use an 80A breaker.
What size wire do I need for 5000 watts?
If it’s 5000W , then you’re OK with 10guage on 30A breaker.
How many square feet will a 5000 watt electric heater heat?
400 square feet
A 1500 watt space heater can heat an area of 150 square feet, and a 5000 watt garage heater can comfortably heat an area of 400 square feet.
What gauge wire should I use for a 3000 watt amp?
4 gauge
The entire kit is compatible for 4 gauge installation and can handle up to 3000 watts of power. This wiring kit is the tight bond that glues your entire car audio system together, so invest in quality and choose the Q Power Super Flex 4 Gauge 3000 Watt Amplifier Wiring Kit today.
