For space heaters, the most often used wattage is 1,500 watts. 
The worlds accepted heating unit is called the BTU or British Thermal Unit. On average, a 1,500W heater costs around $0.20 per hour to run on high. This BTU heater room size table can be used whether you have a heater and want to know how much space it will heat or if you know the square feet of the space and need to know what heater to buy.
As a general rule of thumb, youll want around 10 watts of heating power for every square foot of floor surface in the space. Find 300 square feet in the Room Size Column, and youll see that a 3000 watt heater is the right size for a 300 square foot room. Heater types that are rated by BTU include a gas heater and oil heater (kerosene/home heater oil). This switch acts as a sensor, detecting when the heater's internal components reach an unsafe temperature. You would be better off to take the money you would spend on a space heater and put it toward weatherization improvements to your home, such as adding insulation and caulking. Room heaters equipped with heat-resistant exteriors can eliminate the risk of burn injuries caused by touching the unit. It wont heat a large open room very well at all. Per Hour And Per 24 Hours Cost Of Running A 5,00W 5,000W Electric Heater (Table)Electric Heater Wattage:Running Cost (Per Hour)Running Cost (For 24 Hours)750 Watts$0.10$2.401,000 Watts$0.13$3.121,250 Watts$0.17$4.081,500 Watts$0.20$4.805 more rows, about 150 square feet1000 watts should warm up large bathrooms, small living rooms, or a small room. How Many Watts and BTUs are Needed to Heat Your Home? The calculations used in the coming paragraphs are not complicated, but it may be helpful to read the article a second time to fully see how and why the answer is what it is. You may opt out at any time. A typical 1,500 watt space heater can heat a small bedroom or study. The heater wont perform as well in a north-facing room with little or no insulation and drafty windows that let in cold air. Some heaters are great for whole-room heating, while others offer direct heat to the people and objects in front of them. Most space heaters use on average 1,500 Watts of electricity and cost about 15 an hour to operate. Technically speaking, BTU stands for British Thermal Unit. Standard shipping is free to the lower 48 states. If a heater's BTU rating isn't listed, you can easily calculate it using this equation: Heater Wattage Rating X 3.413 (the number of BTUs that equal 1 watt) = BTU Output.
The 120-volt, 1,500-watt heater offers an easy way to heat a small space. Since retiring from the news business in 2008, Kirchhoff takes care of a 12-acre rural Michigan lakefront property and applies his experience to his vegetable and flower gardens and home repair and renovation projects.
Commercial Warehouse & Storage Dehumidifiers, Low-Grain Refrigerant (LGR) Dehumidifiers, Server Room & Precise Indoor Applications, Heaters for small spaces (less than 1,000 watts), Standard room heaters with wattages up to 1,800 watts, Large heaters with more than 1,800 watts of power. They circulateconvection currents across a heating element (like electric coil, oil, or electric wire) to create an overall warmth in your space. In our example, you would require twice as much heat in Montana than in Georgia, which means a 1500 watt heater in Montana will only take care of a room half the size it does in Georgia. In most cases, especially across the US, you will see that the cooling capacity of portable AC units is expressed in BTUs. Our product experts give you personalized guidance and trustworthy service.
This Heater Room Size Calculator gives you a quick, accurate answer to common questions like what size room will a 1500 watt heater heat? How to Calculate the Size of a Heater Measure the length, breadth, and height of each room that you wish to heat before you buy any equipment. "We have all seen the ads to cut heating bills in half with a $400 to $600 space-age 1500 watt electric heater. If you choose to purchase a standard $30 ceramic electric heater ( very safe, reliable and comfortable ) in lieu of a money saving electric heater, what could you do with all the money you saved? Calculate the number of BTUs you need. With this information in hand, you could better determine for yourself if a companies need for profit is greater than your need to keep your family fed and warm this winter. For more information, go to Shipping & Delivery Information. Let's work backwards to find the temperature zone where this might work. The best ceramic space heater is the Lasko Full Circle Ceramic Heater, which can be found at Walmart. David Nelmes - David is an author and home energy inspector in Pennsylvania, specializing in the fields of Heating and Air Conditioning, Electrical Wiring and Interiors/Insulation. The 120-volt, 1,500-watt heater is a convenient method to heat a small area quickly and efficiently.
How big a room can you heat with your gas heater or electric heater? Infrared Ceramic Oscillating Heater by Lasko, model number 6435. Oil-Filled Heaters Because of their long-lasting heat, they make the most of the power available. Determine the appropriate cooling capacity for the size of your space. This can save money, but the remaining rooms in your home could get very cold and possibly result in freezing damage.
By subscribing, you agree to receive our emails. Total Square Footage x 10 = Total Wattage. That's equivalent to a 10-by-15 foot room, an 11-by-14 or one sized to 12-by-12 1/2 feet with a standard 8-foot ceiling. David's career highlights include authoring 'The Rewards of Making Energy-Efficient Choices', working in the electrical engineering division of three nuclear power plants and serving as an administrator, engineer and installer in the heating and air conditioning field. Popular in basements, these models offer steady heat, low-cost installation, a low profile, and whisper-quiet operation. In this sense, all electric heaters do in fact have the same efficiency.Mar 19, 2021. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Copyright 2014-2022, PICKHVAC All Rights Reserved.
A ceiling height of 8 feet is assumed. Because a 15-amp breaker would be insufficient, youll need a breaker with the next highest rating, which is 20 amps in this case. Recognize conditions that may need an increase in the size of your heater. We also offer 3-Day, 2-Day or Next-Day shipping for a variety of products. Amazon has the best energy-saving fan heater, the Dyson AM09 Fan Heater. The answer to the practicality of spending tons of money on money saving electric heaters as compared to less expensive electric heaters turned out to be rather simple from an electrical standpoint, yet, to share this answer requires that you have some background information so that you understand why the answer is what it is, in lieu of simply taking my word for it. If you used the 1500 watt (1.5 KW) heater for one hour, that is equal to 1.5 KW x .14 = 21 cents per hour. At 14 cents per KWH, the total cost for power would be (2856 x .14) $400 plus another $30 for the heater for a total of $430 in all. Why Understanding VPD is Important for Indoor Growing, How to Control Humidity in Your Grow Room.
The highest BTU space heater tops out at 5,120 BTUs, as the highest wattage space heater is only 1,500-watts. Several years ago I began to see ads for electric heaters that were reported to have found some new technique to provide electric heat in a way that was suggested to help you reduce your home heating bills by up to 50%. Remote Control for the Lasko Air Logic Bladeless Electric Tower Space Heater. Canadian shipments may incur duties, taxes and brokerage fees after your order is confirmed. Wet, Dry, and Wet/Dry Vacuums: Which One Is Best for You? Dimensions and ceiling height Height of the Surface to be Cooled (square feet) Capacity Is Necessary (BTUs per hour) 700 to 1,000 a year, or 18,000 1,000 to 1,200 21,000 1,200 to 1,400 21,000 1,000 to 1,200 23,000 1,400 to 1,500 24,000 1,400 to 1,500. $$$$ 1500 $$$$ Microwave Panel Heater by DeLonghi $$ 1500 Dr. Infrared Heater $$$$ 1500 Dr. Infrared Heater Portable Space Heater With a remote control, the Lasko 751320 ceramic tower heater costs $ 1500. Shipping to Hawaii, Alaska, and Canada may incur additional shipping charges. When that pre-determined temperature is reached, the unit shuts off automatically. 
When determining the BTU's provided by any electrical heating source, simply multiply the watts by 3.413 and the resulting number is the BTU's. You will also find examples to show you exactly how these ratings are determined. To determine the watts, we divide that by 3.413 to get (40,000 / 3.413 ) 11719 watts. Check the Table, and youll see that a 1500 watt heater heats a room up to 150 square feet.
Even though they are typically small in size, and often touted as 100% efficient, electric space heaters use a lot of electricity. A 1500-watt heater on a 120-volt circuit necessitates the use of a 15.6-amp circuit breaker. If we do the math here, multiply the 10 watts by 3.41, and you are left with 34.1 BTUs needed to heat a single square foot in your home. For example, standard baseboard electric heaters that run on 240 volts generally provide 250 watts per foot of heat. To compensate for taller ceilings, increase the square footage by 12% for each additional foot of ceiling height. In this scenario, it will cost $7.20 if the machine is operating continuously for 24 hours. Multiply the wattage of your unit by 3.41 per watt to calculate Btu. It creates 1,500 watts of power per hour and provides 5,100 BTUs of heat per hour, respectively. This article Copyright 2020 - David Nelmes. If we go back to our 1,500 watt heater which puts out just over 5,100 BTUs, it should be enough to heat a room of 150 square feet. Here's the simple answer Now don't get me wrong, making donations is an American tradition and is appreciated by those in need, but I believe that if you are going to make this donation, you should at least know it's a donation. To quickly find the best heater for you, use our topic list below: It can be difficult to know which space heater is best for your room. Example 2:How big of a heater needed for 300 square feet? Plus our subscribers receive.
What Color Light is the Best for Growing Plants? PICKHVAC Terms of Use: Some of the products seen on our site are delivered through a relationship with outside suppliers like Networx.com, Google, and others. Capable of regulating its own temperature without the use of wiring and coils, the ceramic heating element self-regulates, reducing its temperature as the desired heater temperature is reached. Heaters use different technologies to heat rooms. A couple hundred dollars spent on home weatherization can save thousands of dollars as the years pass, regardless of what method you use to heat and cool your home. We may or may not be compensated for purchased you make as a result of our recommendation. Micathermicheatingcombines the processes of convection and radiant heating.
A standard 1,500- watt electric heater produces 5,115 (1,500 times 3.41) Btu per hour. These models feature non-flammable, cool-touch cabinets.
Plus you'll receive exclusive offers, helpful air quality resources & more! A typical 6 foot electric heater would then provide 1500 watts (6 x 250 = 1500 watts) of heat. Space heaters allow you to add targeted warmth directly where you need it.
The actual performance of a 1,500 watt heater varies according to the characteristics of the room. Likewise, a standard electric space heater that runs on 120 volts typically provides an output of 1500 watts of heat. The 5 Most Cost-Effective Electric Heaters to Run and Why They Do So.
Storage heaters may reduce operating costs by taking advantage of off-peak power rates. 2. At 14 cents per KWH, your total cost for power would be (2856 x .14) $400 plus another $500 for the heater for a total of $900 in all. Baseboard? 5 Things to Consider When Buying a Portable Heater, How to Select An Energy-Efficient Space Heater, Sales Tax & Shipping calculated in checkout, Sylvane's Guide to Water Damage Equipment, Types of Dehumidifiers for Industrial Applications, Visit Industrial Dehumidifier Knowledge Center, Condensation on Windows: Why it Forms and How to Manage it, 5 Things to Consider When Buying a Bathroom Fan, Types of Water Damage Restoration Air Movers for Your Business, Visit Air Quality Testing Knowledge Center, How to Vent Your Portable Air Conditioner, Visit Portable Air Conditioner Knowledge Center, 5 Things to Consider When Buying a Window Air Conditioner, Visit Window Air Conditioner Knowledge Center, Thru-the-Wall Air Conditioner Buying Guide, Visit Mini Split Air Conditioner Knowledge Center, Visit Evaporative Cooler Knowledge Center, Visit Fan & Air Circulator Knowledge Center, 5 Things to Consider When Buying a Wall Mount Fan, Outdoor Heater Types: Electric vs. Propane vs. Natural Gas, Vaporize Allergies by Cleaning with Dry Steam, How to Choose the Perfect Vacuum for Your Home, Best Commercial Vacuum Cleaners (Based on Customer Feedback). ft. x 72 ft. space, or an entire modular home. We refer to OHM's Law and the formula P=ExI which translates as WATTS = VOLTAGE x CURRENT, which more simply means, the electric power you get out of something is based upon the voltage applied and the amperage used. 16 hours x 7 days x 4.25 weeks per month x 4 months = 1904 hours x 1.5 KW per hour = 2856 KWH. Be smart, be green and conserve what you are already using and you'll save more energy and money than any money saving heater company can ever hope to convince you of otherwise. We divide this by 1000 square feet to obtain a temperature zone multiplier of (5061 / 1000) 5. Oil-filled heaters, micathermic and radiant heaters are known for their near-silent operation. Electric room heaters are often rated at 1,500 watts or more. Along with multiple heat settings, some electric room heaters offer multiple power levels. You can use this Table to ask the question a different way. This site is protected by reCAPTCHA and the Google, Total Square Footage x Ceiling Height x 1.25 = Total Wattage, Total Square Footage x 12 = Total Wattage, How To Select an Energy-Efficient Space Heater, 5 Things to Consider When Buying a Space Heater, Garage and Industrial Heater Buying Guide. This is your Table for heaters powered by electricity as their only source not a gas heater, for example, with a fan.
The BTU number refers to the specific thermal output of a heating unit, but is also often used to describe BTU is a measurement of energy, with one BTU being equal to the amount of energy required to raise the temperature of one pound of water by 1 degree Fahrenheit. To resolve issues with temperature differences, we'll introduce a temperature zone multiplier of 40 for cold climates, 25 for moderate climates and 10 for warmer climates. Now, the colder your average climate, the greater your heating needs will be. In our case 1500 watts x 3.413 = 5119 BTU's. If youre trying to heat a garage or other poorly insulated or non-insulated space with an electric heater, 10 watts of heating power per square foot is not going to do the job. Contact our product experts toll free at 1-800-934-9194. You would only need sufficient heat to add only 30 to 40 degrees of heat to the air to maintain a 65 to 70 degree room temperature. In other words, a 1,500-watt heater may be used as the principal heat source for a space spanning up to 150 square feet. Also, keep in mind the amount of actual space you use.Nov 30, 2021. This will NEVER affect our opinion of a product or service! Their fanless technology provides even room heating and doesnt re-circulate dust and other allergens, making them great for allergy- and asthma-sufferers. This adds up to a cost of $1.60 for 8 hours a day, and $48 per month.
Manufacturers rate electric heaters by watts consumed and British thermal units of heat they put out. 
When it comes to using electricity, that it quite simple. Portable heaters are also ideal for rooms with inadequate heating or spaces where central heat cant be installed. There are other factors that will affect, for example, 5200 BTU heater room size. Common brands that use convection heat are Vornado and DeLonghi. What Size Room Will a Pelonis Oil Heater Heat. The Lifesmart Large Infrared Quartz Heater is the best infrared space heater available on Amazon. If you have really well-insulated windows, well-insulated walls, low ceilings, and it is not windy outside, it might only take a 1,200 watt heater to heat up 150 square feet. Simply find your ideal heat level on the thermostats and enjoy immediate warmth.
When choosing a space heater for your home or office, the most important considerations are the heating technology, like convection or radiant heat,and the size of the space you want to heat. Browse space heaters based on their wattages below: Manufacturers equip heaters with advanced safety features to greatly reduce the risk of fires and overheating. You must determine the square footage (in square metres) of your room. This is true for insulated space. Safety features include: Overheating and tipping over cause the system to shut down. See our Portable Space Heaters Safety Tips for more tips on space heater safety. A rough estimate may be obtained by dividing your square footage by 20 BTUs. A 1500W space heater uses 1.5 kilowatts of electricity per hour, or 1.5 kWh. This is just short of the 5120 BTU provided by a 1500 watt electric heater, but it should suffice in most instances. Rene has worked 10 years in the HVAC field and now is the Senior Comfort Specialist for PICKHVAC. As a rule of thumb, you'll need roughly 10 watts of heating power for every square foot of floor area in the room. Calculate your costs with a space heater on our energy-efficient space heater guide. The actual performance of a 1,500 watt heater varies according to the characteristics of the room. And youll see a whole list of exclusive, useful conversion calculators making it easy to do the math when comparing equipment, fuels, heat and ratings or determining what size heater or AC you need for your space. Another example shows that a 12,000 BTU heater, one 1 ton heater, serves up to 400 square feet. On the other hand, if its a chilly day in Missouri and you want a space heater, then you might need only 20 BTU per square foot. sq. Although operating costs will vary depending on the heater type and your room size, a simple math equation gives you an estimate of average operating costs for your space heater. We split them into categories to help. That's equivalent to a 10-by-15 foot room, an 11-by-14 or one sized to 12-by-12 1/2 feet with a standard 8-foot ceiling. This helps ensure safety when heating, reliability, and long life. Heat radiates off the panel and thennatural convection circulates warm air throughout your room. The price of a heater can range from around $25for a basic personal heater to more than $2,000 for an elegant electric fireplace offered by Dimplex. There is no magic way to make pure electrical power provide more watts than the laws of physics allow. Using the watt to BTU calculator, you can simply input (or slide the slider) the number of watts and you will get how many BTUs is that. Bathroom-friendly space heaters provide supplemental heating with integrated safety features for damp or moisture-ridden environments, including ALCI plugs that help protect against electric shock.
Next, let's formulate the room size this 1500 watts can heat. Most manufacturers of 1500 watt heaters generally say they provide 5120 BTUH's or British Thermal Units per Hour.
When sizing an electric heater, a rule of thumb suggests the unit needs to consume 10 watts of power per square foot of room area being heated. Since your power utility company charges you for watts, it doesn't matter whether you use 120v or 240v to provide your 1500 watts of heat.
Imagine a drumroll.
If it is super-cold outside, you might need more watts, like 15 watts of heating power per square foot. Oil-filled heaters are reliable and customer-favorites. So, if the Table says you need 6,000 BTU, the equation is 6,000 x 1.25 = 7,560, or rounded up to 8,000. Drafty Rooms:Even if the house has good insulation, if the windows let in air, the room will feel chilly. How to Control Temperature & Humidity In Your Indoor Grow Room. They generate heatvia the diathermic oil inside the heater. To start, when looking to evaluate anything, you must have something concrete on which to base your assessment. Meanwhile, any claim by an electric heater manufacturer that says their heater will heat 300 square feet or 1000 square feet means nothing if there is no reference to the outside temperature or condition of the room. Cost Per Hour:$0.20 per hour$0.05 per hour4 more rows7 days ago. You should begin receiving regular emails from us shortly! What is ironic is that this unit of measurement has gone out of style in Great Britain. Be the first to receive exclusive offers, helpful air quality resources and more!
If the house were not insulated well and had issues with air infiltration, a larger or second heater would be required. Use our sizing chart below for more information: As a rule of thumb, you will need 10 watts of heating power for every square foot of floor area in a room. When determining the size of the circuit breaker, take into consideration the current demand of any other devices connected to the circuit. 1483 watts x 3.413 = 5061 BTU. So, a 150 square foot room needs a heater with about 1,500 watts of heating power. Simply select the one that fits your design needs: Buy a room heater thats rated for the approximate square footage or dimensions of your space. Choosing the Propane Heater Size In a living room, youll need 100 watts per square meter, or 1,000 watts (1kw) every ten square meters. Oil? Using our example, if we were living in Montana, we would multiply 144 square feet x 40 for a total requirement of 5760 BTUH's for that room. He lives in Northeast Pennsylvania with his wonderful and supportive wife, Karlene and spends his time writing and performing home energy audits. As such, having a space heater in every room in the home and turning them all on at the same will only cost you more, not less.Nov 10, 2017, List Of 5 Most Efficient Space HeatersEnergy Efficient Heater:#1 Dr Heater DR968#4 EconoHome HeaterHeating Capacity:1,500 W / 5,000 BTU400 W / 1,400 BTUSupplemental Heating Area:Up to 1,000 sq ftUp to 270 sq ftEfficiency Booster:Auto Energy SavingsLow WattageMax. For instance, a 150-square-foot garage or shop will be fully heated by a 1,500-watt electric garage heater. As a general rule of thumb, fan-equipped single-room heaters are noisier than fanless units. They're known for theirability to heat entire rooms for long periods of time. A BTU (or British Thermal Unit) rating is useful when comparing the energy output, because BTUs measure the heating capacity of various fuels, heating units, and cooling systems. A basic 1,500-watt electric heater generates 5,115 Btu per hour (1,500 multiplied by 3.41) Btu. However, they are not as efficient as space heaters. Factors Affecting Heater Room Size Calculator, Heater Room Size Calculator and Other Calculators from Pick HVAC. Now, let's say we ran a money saving $500 1500 watt electric heater 16 hours a day, for 4 months straight, what would this cost? 1500 watts will heat spaces up to about 150 square feet and can help you stay warm and toasty in a medium-sized room, office, kitchen, or modest-sized living room.Jan 28, 2021. For example: 1000 Watt Heater x 3.412 = 3,412 BTUs per hour.Oct 25, 2019, Space heaters do use less energy as compared to using central heat. The rule of thumb to keep in mind is that it takes about 10 watts of energy in a heater to heat a single square foot in your home. How to Tell the Wattage of Electric Baseboard Heaters, Overstock.com Buyers Guide: How to Size a Space Heater.
To provide this amount of wattage, the unit must consume double the current or amperage since the voltage is half. Radiant heatersbest for spot heating because they deliver focused warmth to areas directly in front of the heater. Electric heaters are 100% efficient at point of use as they convert every watt of electricity taken from the wall into usable heat, meaning there's zero waste. For example, Total Square Footage x Ceiling Height x 1.25 = Total Wattage.
A 1,500 watt heater producing 5,100 BTUs can heat 150 square feet. approx. Herb Kirchhoff has more than three decades of hands-on experience as an avid garden hobbyist and home handyman. I am a fan of using electric for both heating and cooling since this eliminates the need to have fossil fuels burning in the home, so I took a special interest in finding out if these claims could be true. OK, so now we know how and why a $30 to $50 1500 watt electric heater will heat an average room size of 12 x 12 (144 Small portable electric space heaters offer a favorite choice for heating a small interior area rather than turning up the thermostat of the central heating system. Automatically shuts off the unit if its accidentally knocked over. As you can see, by using either 120 volt or 240 volt heaters, you obtain the same output watts of heat due to different amounts of current being used. FurnaceCompare: What Size Space Heater Do You Need? If the ceiling is 10 feet high, choose an 8,000 or 9,000 BTU heater instead. Alternatively, if you live in Georgia, winter temperatures can easily stay in the thirties or forties most days. This oil disperses throughout the heater fins, spreading the warmed oil, which then is dispersed through radiant heating. Generally speaking, you should select a heating or cooling unit that produces 20 BTUs for every square foot of available area. Search or Ask your queries, we will try to resolve it. Answer:10 watts of heating power per square foot is recommended for electric heaters. If your $400 to $600 heater says it provides 1500 watts, it will do absolutely nothing different than what a $30 heater can do by providing the same 1500 watts. They emit infrared beams that only heat the objects that they come into contact with, similar to how the suns rays work. It wont heat a large open room very well at all.
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