Btu stands for british thermal unit and is the standard way to work out how much heat output is required to keep your room warm.
Calculate btu required to cool room.
1 btu is the equivalent of 1 055 joules or 293 watts.
The more people that use the area you are cooling the higher the btus need to be to compete with body heat.
If you remember any of your science lessons in school or actually want to know the technical detail 1 btu is equal to 1055 joules and is the amount of energy needed to heat 0 45kg 1lb of water by 17 c 1 f.
1 btu is the energy needed to heat 1 pound of water by 1 fahrenheit.
We often refer to the british thermal unit as a btu but the rating is actually the btus per hour or btu h.
A british thermal unit or btu is a unit of measurement of energy.
Then add the square footage for each room together.
How to find how many btus your furnace should be.
To do that you need to measure the length width and height of the room so you can then calculate the cubic footage of each room by multiplying the length width and height of the room.
This btu calculator will determine what hearth product size is required with only a few steps and information such as square footage sq ft.
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.
To calculate btu per square foot start by measuring the square footage of each room you want to heat or cool.
How many btus are needed to heat a room.
This air conditioner room size calculator also known as an ac btu calculator will help you decide what size of air conditioner to buy so you can be efficiently cool or heat your room of course the choice of brand and air conditioner type still depends on you.
Once you have the total square footage just multiply that number by 20 to find how many btus per hour you d need to heat or cool the space.
Two free calculators estimate the number of btus needed to cool or heat a room or house based on its size insulation and the geographical climate among other conditions.
The cooling power of different types of air conditioners is based on btu s.
Use the dropdowns below to help you estimate what size air conditioner is best for your space.
This air conditioner calculator can only provide you the recommended output power of the ac in british thermal units per hour btu.
Based on that you can calculate sq ft to btu and immediately know in what range of btu values your perfect ac unit should be.
If for example you buy a 14 000 btu portable air conditioner to cool down a 12 12 room you will have chill cold room and more than 100 year unnecessary cost on your electricity bill.
If the room or house you are cooling is heavily shaded you may need 10 percent fewer btus to cool it.
The btu requirement will be for the whole room so you need to calculate the total amount of space the room covers.
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