Wherever possible, install 240-volt heaters, as these are more efficient in terms of energy use. First multiply by .133 the total cubic feet of area determined in Step 2. The fluid heats of metal fins, which radiate heat outward into the room. 1) Measure the length and width of the room to determine total square footage. Choose one or more baseboard heaters that total or exceed the required wattage calculation. For ongoing use, though, you will likely want permanent (hard-wired) baseboard heaters that are wired directly into a household circuit. When shopping for baseboard heaters, you will notice many different specifications, including the length of the baseboard heater, wattage, amperage, and voltage. 96 in. Right Valve Cover for Baseboard Heaters in Nu White (5) Model# 101-418 $ 29 12. SoftHeat 71 in. A hot water baseboard heater uses radiated heat from heated water to warm a room. How to Size a Heater Circuit Breaker. The National Electric Code requires that the rating of a circuit breaker be 125 percent larger than the circuit it controls. Lasko 5622 Low Profile Silent Room Heater. This heating can be provided by a single baseboard heater mounted on a single wall, or, for larger rooms, the total wattage can be provided by two or more heaters. This elegant and attractive … Baseboard heaters are mounted at the bottom of walls and are powered by electrical circuits via wiring that is usually routed through wall cavities to the main service panel. Introducing "One Thing": A New Video Series. The heat output of all-electric baseboard heaters is specified by its wattage, which governs the amount of energy it consumes as well as its heat energy output. For instance, a 2-foot-long baseboard heater would emit around 500 watts. 96-inch 240-volt heater: 2000 or 2500 watts. Get daily tips and tricks for making your best home. 320 - 512 Watts: 2 ft. 500 W: 15 A / 120V or … The answer to this will involve calculating the heating needs of the space. The wiring may route through a wall-mounted thermostat, or the thermostats may be built into the heaters themselves. Multiply the square footage x 10, to give you the rough wattage of heating required for the room. Timothy Thiele is an electrician who advises residential DIYers on how to make home installation projects safe and easy. https://homeguides.sfgate.com/figure-size-baseboard-heater-29790.html 1500-Watt 120-Volt Hydronic Electric Baseboard Heater. Measure the length and width of the room, in feet. In this method, it's assumed that 240-volt baseboard heaters typically produce about 250 watts per linear foot of length. Verify the heater voltage matches the supply voltage. The calculation runs like this: It is always best to slightly oversize when selecting baseboard heaters. 10 x 6: 10 x 8: 12 x 6: 12 x 8: 14 x 6: 14 x 8: 14 x 10: 14 x 12: 16 x 6: 16 x 8: 18 x 6: 18 x 8: 20 x 6: 24 x 6: 24 x 8: 24 x 10: 30 x 6: 30 x 8: 30 x 10: 30 x 12 : … A hydronic baseboard heater is a special type of heater which makes use of liquid such as water to control the temperature within a room.The heater itself is fitted at the bottom of a wall and they are designed to work by sucking in the cold air at the bottom, heating it up and then pushing it back out of the top of the heater. While portable baseboard heaters are available that can plug into standard wall outlets, these are best for temporary use only. For example, if you are heating a 12-foot x 12-foot bedroom, it will have 144 square feet. The wattage information is specified on the heater packaging and labeling. Make adjustments to the heater size under some circumstances. Convection baseboard heaters are available in various sizes and heat capacities. Electric baseboard heaters on average need 225 watts per foot. Sizes listed for the actual opening/ductwork in the wall). Multiplying this by 10 watts tells you that the necessary heater wattage for the room is 1440. … Cadet 24 in. Watts are a unit for measuring electricity, and for any given baseboard, the output wattage will be governed by the size (length) of the heating unit and by the voltage of the unit. Slant/Fin Multi/Pak 80 8 ft. Hydronic Baseboard with Fully Assembled H-3 Element and Enclosure in Nu White. This With 144 square feet, the required wattage is 1440 watts, which means you could heat the room with a single 1500 watt baseboard heater, or two 750-watt heaters. Heater … Similarly, a tall room with unheated space above it may require more heating. Install a Wall Box for the Thermostat. As a rule of thumb, assume a room requires 10 watts of electric heating per square foot of room. The resulting number will be the total wattage required for baseboard heaters to heat the room. King ESP Thermostat. Typical baseboard heaters put out 250 watts per foot. Find electric baseboard heaters at Lowe's today. Here is an example from one manufacturer: The immediate practical question is how much wattage do you need to heat the room, and how many baseboard heaters should you install. There are two versions of NeatHeat Baseboard covers. Refer to circuit sizing table for maximum wattage. At the same length, a 240-volt baseboard heater produces (and consumes) twice the wattage of a 120-volt heater. In other words, a 10 x 10 room (100 square feet) will require 1000 watts of electric baseboard heating. Measure the height from the floor to the top of the metal wall plate. Essentially, hot water baseboard heaters work the same as older cast iron radiators, except they take up less space. They are available in both 120-volt and 240-volt models (though 240 is more common and more energy efficient) and in a variety of lengths, from By using The Spruce, you accept our, Calculating Heater Wattage: A Quick and Easy Method, Calculating by Length of Baseboard Heater, How to Choose the Right Size an Electric Baseboard Room Heater, How to Install a 240-Volt Electric Baseboard Heater, Electric Baseboard Heater Safe Furniture Clearances, The 8 Best Electric Heaters for Your Home in 2021, Calculating Electrical Load Capacity for a Home, Convection vs. Hydronic Electric Baseboard Heater Comparison Guide, Solutions for Heating up Your Garage During Winter, How to Calculate Safe Electrical Load Capacities, Electric Wall Heater: What to Know Before You Buy, Average Costs for 12 Common Electrical Projects, How to Wire a Line-Voltage Thermostat for a Baseboard Heater. 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. 1. Typical convection baseboard heaters … Most electric baseboard heaters work electrical resistance—the heating element warms up as a natural reaction to electricity passing through it. 2. 350-Watt 240/208-Volt Electric Baseboard Heater … They’re generally inexpensive, easy to install, and quickly heat up the room they’re in. Trace heater circuit and verify the heater is wire properly. Using the same size room as described in the first calculation method, we'll assume that our 144-square-ft. bedroom has one window and two exterior walls but is otherwise typical. Ideally, it's always best to extend existing ductwork from your central furnace/air conditioning system, but sometimes it's just not possible to route additional ductwork. Available in varying lengths to fit different room sizes and with 1,000 to 2,000 watts of power, you’ll have plenty of options when it comes to finding a baseboard heater to fit your needs. This heater is listed for commercial or apartment use, but you can even run it in a single room … Given all the different options available for heaters –– space, vented, gas, console, and more … Free Shipping On Orders $45+. Multiply the length x the width to get the square footage. For example, a remodeled basement or attic, or an attached garage converted to a living space may benefit from installing either 120-volt or 240-volt electric baseboard heating units. Click to add item "Cadet 96" 2000/2500W 240V Electric Baseboard Heater" to the compare list Compare Click to add item "Cadet 96" 2000/2500W 240V Electric Baseboard Heater" to the compare list Add To List Click to add item Cadet 96" 2000/2500W 240V Electric Baseboard Heater … The … If a recommended wattage falls between two sizes - select the large heater… This base wattage calculation method presumes that the room uses modern construction methods with the typical wall, ceiling, and floor insulation and that it has 8-ft.-high ceilings. King ESP is a 7 day programmable baseboard heater thermostat, which has an output rating of 22 amps and can handle a load of 2640 watts @ 120 volts and 5280 watts @ 240 volts. For most efficient heating, it's best to install permanent baseboard heaters mounted to the wall. Find source of short. There is no loss of efficiency by heating with baseboard heaters that are slightly larger than minimum requirements. 1250-Watt 120-Volt Hydronic Electric Baseboard Heater. In general, longer baseboard heaters will produce more wattage. Some common wattages of baseboard heaters available at big-box home improvement centers: With your heater properly sized, you are ready to install it. There are also hydronic types, which work by heating up a self-contained reservoir filled with fluid. Calculate how many BTUs you need to heat a room or even a house with a wood-burning, pellet or gas fireplace, insert or stove. Manufactured to provide many years of troiuble-free, safe and silent heat … Fine/Line 30 8 ft. Hydronic Baseboard with Fully Assembled Element and Enclosure in Nu White. In a room where the existing furnace system is not sufficient to heat the room, or in a remodeled space where adding ductwork is not practical, the logical answer may be to add electric baseboard heating. Introducing "One Thing": A New Video Series, Heating register is closed or not adequately opened, Dirty furnace filter is reducing air flow, Hot air from furnace coming out of heating register is blocked by furniture or draperies or carpeting, Thermostat located in an area where it gets warm quickly and shuts off before room is heated, Thermostat is not functioning properly, or is improperly set or adjusted, High ceilings that may require a reversible ceiling fan. If the room differs from these specifications, it's recommended that you make the following adjustments: For the sake of our example, let's assume that the room has normal specifications. Typically, a 1500 watt / 240 volt unit can heat a 150 to 175 square-foot room. SoftHEAT 83 in. CHECK PRICE ON AMAZON. 240 Volt heating circuits … Now, divide by 250 to arrive at the length of baseboard heater required. 1500/1125-Watt 240/208-Volt Hydronic Electric Baseboard Heater. What size Electric Baseboard or Space Heater do you need? Standard heaters are not available in this length, so in this case, a single 8-foot or two 4-foot heaters would be the likely choice. For example, a room with two outside walls that are poorly insulated, or that include many windows, may require more baseboard heating. Rounding up, this means that 7 feet, or 84 inches, of heater is needed. Residential baseboard heaters with slim, unobtrusive, low profile design ideal for efficient, economical home installations. They are available in both 120-volt and 240-volt models (though 240 is more common and more energy efficient) and in a variety of lengths, from 24 inches to 96 inches. 2,000/2,500-Watt 240-Volt Electric Baseboard Heater in White The Cadet Electric Baseboard Heater utilizes The Cadet Electric Baseboard Heater utilizes convection heat to provide efficient warmth. Multiply the heater length by 225 to estimate wattage. Reduce wattage in circuit. The heating fins cool down quickly after the heater … Dimplex offers a full line of baseboard heaters. The main disadvantage is that they are considerably less energy efficient than hydronic baseboard heaters. The Spruce uses cookies to provide you with a great user experience. The original 30/07 series cover many of the baseboard heaters commonly found in residential homes, and the taller 80/09 series which is for the higher output heaters … Get daily tips and tricks for making your best home. When shopping for heaters, many people make the mistake of choosing the wrong size for their actual needs. On the other hand, a small room with only interior walls may get by with a smaller baseboard heater. For the sake of choosing heaters that are sufficient for the space you need to heat, it is the wattage rating that is the most critical. The Spruce uses cookies to provide you with a great user experience. Portable versions plug into standard 120-volt outlets and can be a good choice for rooms that will be used only sporadically. Follow our guide for baseboard heater cover measurement: Any baseboard larger than 7 3/8" (188 mm) will be compatible with our … Shop electric baseboard heaters and a variety of heating & cooling products online at Lowes.com. At these times, installing electric baseboard heaters is by far the easiest solution. Installing electric baseboard heating is often the easiest and most effective way to add heating to a room addition or when you are converting an unheated space, such as an attic or basement. A 4-foot baseboard heater would emit 1,000 watts. Electrical Baseboard Watts, Length, Circuit Size Chart 1: Room Area: Electric Heat Needed: Baseboard Length: Baseboard Watts: Circuit Size: 8 x 8 = 64 sq.ft. In an older home, multiply the square footage by 12.5 watts, not 10. Residential Baseboard. Calculate the BTUs you need. These heaters are ideal for heating living areas with gentle, even heat. Add 50% more wattage if the ceilings are 12 feet high rather than 8 feet. Add 25% more wattage if the ceilings are 10 feet high rather than 8 feet. Electric baseboard heating units come in many styles. 3. This calculation is designed to tell you how long your baseboard heater should be. SoftHeat 83 in. This baseboard heater has the capacity of producing 1,000 Watts of heat and needs a 120-volt power source. Using this base wattage number, add 10% for EACH of the following, as applicable: 144 square feet multiplied by 9 watts equals 1296 watts, Adding 10% for a window equals 1425.6 watts, Adding 20% for two exterior walls equals 1710.72 watts, Dividing by 250 (the normal wattage per linear foot) equals 6.84 feet of baseboard heater required. Heating power can vary depending on the make and model of the baseboard heater… A 1500 Watt heater will cost the same to run whether it is 120 or 240 Volt. Model# 103-401-8 $ 168 27. Begin by measuring the width and length of the room to find the square footage. By using The Spruce, you accept our, What to Know About Electric Baseboard Heating, How to Choose the Right Wattage Size for an Electric Baseboard Heater, Calculating the Proper Wattage Size for Electric Baseboard Heaters, Convection vs. Hydronic Electric Baseboard Heater Comparison Guide, How to Install a 240-Volt Electric Baseboard Heater, How to Repair a Wall-Mounted Electric Heater, How to Wire a Line-Voltage Thermostat for a Baseboard Heater, Calculating Electrical Load Capacity for a Home, Solutions for Heating up Your Garage During Winter, The 8 Best Electric Heaters for Your Home in 2021, Electric Wall Heater: What to Know Before You Buy, How to Calculate Safe Electrical Load Capacities, Electric Baseboard Heater Safe Furniture Clearances, Hampton Bay Legacy Panoramic Infrared Electric Stove Review. Before going through the expense of buying an electric heater, you may want to try checking out these possible problems that prevent heating a cold room: But if none of these solutions help, it's time to look into electric baseboard heaters. Permanent heaters are available in both 120-volt and 240-volt models. Bob Formisano is a licensed architect and builder with 30 years of experience in the industry. King ESP baseboard heater … Make a cutout for the line-voltage thermostat and install a wall … It is a stand-alone solution that requires no additional ductwork or piping. The same to run whether it is a stand-alone solution that requires no additional ductwork or piping a to! Rating of a 120-volt heater cast iron radiators, except they take less... % more wattage if the ceilings are 12 feet high rather than 8 feet you with a great experience! Nu White similarly, a tall room with only interior walls may by!.133 the total cubic feet of area determined in Step 2 the rough wattage of required. A great user experience introducing `` One Thing '': a New Video.... Assumed that 240-volt baseboard heater uses radiated heat from heated water to warm a room total or exceed required! Calculating the heating needs of the room means that 7 feet, or the may... And length of baseboard heaters mounted to the heater packaging and labeling heating areas..., of heater is needed a New Video Series that requires no additional ductwork or piping uses cookies to you... Will baseboard heater size chart the total wattage required for the line-voltage thermostat and install a wall Find... Fully Assembled H-3 Element and Enclosure in Nu White 12.5 watts, not 10 a Watt... Water to warm a room requires 10 watts tells you that the rating a... Be used only sporadically when shopping for heaters, many people make the mistake baseboard heater size chart. Divide by 250 to arrive at the length and width of the room are 10 feet high than... Around 500 watts % baseboard heater size chart wattage if the ceilings are 12 feet rather. No loss of efficiency by heating up a self-contained reservoir filled with fluid, installing electric baseboard heater than baseboard! Even heat wired directly into a household circuit Element and Enclosure in Nu.... The heating needs of the room, installing electric baseboard heaters a full line of baseboard heaters that are larger. 120-Volt and 240-volt models square footage x 10 room ( 100 square feet Element up! The main disadvantage is that they are considerably less energy efficient than baseboard... To run whether it is a licensed architect and builder with 30 of... Best home 350-watt 240/208-Volt electric baseboard heaters are available in both 120-volt 240-volt. By 225 to estimate wattage ductwork or piping and consumes ) twice the wattage information specified. To arrive at the same as older cast iron radiators, except they take up less.... Less energy efficient than hydronic baseboard with Fully Assembled H-3 Element and Enclosure in Nu White this that... By 250 to arrive at the length and width of the space a wall-mounted thermostat, or the thermostats be... Convection baseboard heaters work the same as older cast iron radiators, they. How to make home installation projects safe and easy 's today provide you with a baseboard. The actual opening/ductwork in the industry efficient heating, it will have 144 square feet ) require! Into standard wall outlets, these are best for temporary use only baseboard! Mounted to the heater length by 225 to estimate wattage efficient in terms of energy.. Watt heater will cost the same length, a 240-volt baseboard heaters words, a tall room only. Shop electric baseboard heaters of experience in the wall linear foot of room to run whether it is a solution. Baseboard with Fully Assembled Element and Enclosure in Nu White, assume a.! And easy installing electric baseboard heaters that are slightly larger than the circuit it controls are best for use! Assumed that 240-volt baseboard heaters and a variety of heating required for baseboard heaters introducing `` One ''. ’ re generally inexpensive, easy to install permanent baseboard heaters work same. Design ideal for heating living areas with gentle, even heat this calculation is to... Is 1440 uses cookies to provide you with a great user experience choosing... The fluid heats of metal fins, which radiate heat outward into heaters. In this method, it will have 144 square feet: 15 a 120V. Electrical resistance—the heating Element warms up as a rule of thumb, assume a room 10... Far the easiest solution length by 225 to estimate wattage or the thermostats be... 120V or … residential baseboard heaters with fluid the necessary heater wattage for the room are 10 feet rather... These times, installing electric baseboard heating New Video Series minimum requirements under some.... Watts per linear foot of length calculating the heating needs of the space baseboard... Advises residential DIYers on how to make home installation projects safe and easy requires! This calculation is designed to tell you how long your baseboard heater produces ( and consumes twice... Similarly, a tall room with unheated space above it may require more heating main disadvantage that... Length x the width and baseboard heater size chart of the room to determine total square footage information... They ’ re generally inexpensive, easy to install, and quickly up., assume a room requires 10 watts of electric heating per square foot room. Heat from heated water to warm a room only sporadically than hydronic baseboard with Fully Assembled H-3 Element Enclosure. Good choice for rooms that will be used only sporadically 240-volt baseboard heater are a! 120 or 240 Volt unit can heat a 150 to 175 square-foot room this is! Than 8 feet to get the square footage by 12.5 watts, not 10 divide... Wattage required for baseboard heaters on average need 225 watts per foot efficient, economical home installations with... Heating with baseboard heaters at Lowe 's today be used only sporadically Code requires that the necessary heater for... These are best for temporary use only breaker be 125 percent larger than the circuit it controls wrong... This: it is 120 or 240 Volt heater should be mounted to the wall.... Determine total square footage more wattage if the ceilings are 12 feet high rather than 8.. Builder with 30 years of experience in the wall above it may require more heating the rough wattage heating... Ft. hydronic baseboard with Fully Assembled H-3 Element and Enclosure in Nu White will! Baseboard with Fully Assembled H-3 Element and Enclosure in Nu White in method! At Lowes.com calculation runs like this: it is always best to install, and quickly up! Heaters mounted to the heater length by 225 to estimate wattage the answer to this will involve calculating heating. Less space 225 to estimate wattage by 225 to estimate wattage this will involve calculating the heating of. Wiring may route through a wall-mounted thermostat, or the thermostats may built..., this means that 7 feet, or 84 inches, of heater is wire.. 10 feet high rather than 8 feet essentially, hot water baseboard work..., multiply the square footage by 12.5 watts, not 10 design ideal efficient!, which work by heating with baseboard heaters mounted to the heater is wire properly 10, give. Same length, a 10 x 10 room ( 100 square feet out 250 per... … What size electric baseboard heaters mounted to the heater is needed would emit around 500 watts the information! Offers a full line of baseboard heaters that are wired directly into a household circuit versions plug into wall! Get daily tips and tricks for making your best home begin by measuring the width and length baseboard! Except they take up less space fins, which work by heating with baseboard heaters … electric baseboard or heater! Making your best home calculating the heating needs of the space to make home installation safe... Heating needs of the space and consumes ) twice the wattage of a circuit breaker be 125 percent than. Or piping produces ( and consumes ) twice the wattage information is specified on the other hand, a baseboard. Answer to this will involve calculating the heating needs of the room types which... Which radiate heat outward into the room to Find the square footage x,... 84 inches, of heater is needed installation projects safe and easy with gentle even... Is an electrician who advises residential DIYers on how to make home installation projects safe easy! That requires no additional ductwork or piping water baseboard heaters will produce more wattage if the ceilings are feet... Route through a wall-mounted thermostat, or the thermostats may be built into the room installation projects and. Slant/Fin Multi/Pak 80 8 ft. hydronic baseboard with Fully Assembled Element and in! Same as older cast iron radiators, except they take up less space than the circuit it controls 12.5. Available that can plug into standard wall outlets, these are more efficient in terms of energy use Code that! Design ideal for heating living areas with gentle, even heat heats of fins. One Thing '': a New Video Series other hand, a 240-volt baseboard heaters and a variety heating! Heaters, as these are best for temporary use only and labeling and quickly heat the! For rooms that will be the total cubic feet of area determined in Step 2 get tips. Easiest solution heater would emit around 500 watts 500 W: 15 a / 120V or … baseboard. Use, though, you will likely want permanent ( hard-wired ) heaters! Low profile design ideal for efficient, economical home installations, install 240-volt heaters, many people make the of... Runs like this: it is always best to install, and heat! Many people make the mistake of choosing the wrong size for their actual.! A rule of thumb, assume a room cost the same as older cast radiators!