Asked by: Delina Hanschmidt
home and garden indoor environmental quality

How many BTU heater do I need?

Last Updated: 31st January, 2020

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Multiply your square footage by 20 BTUs to get a general estimate. Typically, plan to purchase a heating or cooling unit with 20 BTUs for every square foot of space you have.

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Herein, how many BTU do I need to heat a 20x20 room?

Rule of thumb, of course. So the space you want to cool ( 20x20=400) should be doable wih a 1 ton (12,000 BTUH) unit. But I'd bump it up to a 15,000 - 16,000 BTUH to handle the hot, humid summer heat of your area.

Also Know, how do you calculate BTU for a room? For each room, multiply the BTU per square footage times the square footage of the room. For example, a home located in Zone 5 with poor insulation would require 60 BTUs per square foot. Therefore, a room that is 300 square feet will need 18,000 BTUs (60 x 300).

Likewise, how many BTU do I need per square foot?

To determine the number of BTUs per square foot that you need to heat a room, simply multiply the square footage by 20 BTUs per square foot. For example, if a room has 1,000 square feet, you would require 20,000 BTUs to heat it.

How many BTUs does it take to heat a house?

For cooler climates, a very broad estimate of furnace sizing is to select one that generates 40 to 45 BTUs per square foot. At 40 to 45 BTUs per square foot, you'd need a 100,000 to 112,500 BTU furnace to heat your 2,500-square-foot home.

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How many square feet will 5000 Btu heat?

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How many BTU do I need per person?

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How many square feet will 5200 Btu heat?

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How many square feet will 40000 Btu heat?

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How many BTUs does it take to heat a 1000 square foot house?

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How do you calculate BTUs needed?

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If you are calculating by yourself you need to: Calculate the cubic volume of your room in feet or meters. This is calculated by multiplying the height, width and length of your room. After that, multiply the figure by the following values for a rough estimate of your suggested BTU.

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How many BTUs do I need for a 12x12 room?

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How do you calculate BTU for cooling?

To calculate the size, simply multiply the length times the width of the room or area to be cooled. Then, as a practical number, multiply that total times 25 BTU. This allows ample cooling, whether it is a rainy, moist day or a hot, sunny, humid day.

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How do you calculate BTU per square meter?

Multiply the width by the length and then add them all together. This is the square meterage, and since there are roughly 337 BTUs per square meter, multiply them by 337. Write this figure down. Step 2: Measure each of your south side windows and figure the square meterage of each (width times height).

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Is a higher BTU furnace better?

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How do you convert BTU to Watts?

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