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How do you calculate how large a radiator you need to heat a room?
Wiki User
∙ 14y ago
Quick guide is to multiply the length x height x width of the room in feet (round it up to the nearest foot ) then for a living room/dining room/ bathroom multiply by 5 or bedroom/kitchen multiply by 3 that will give you a BTU rating. Then just look for a radiator a little bigger in it's rating than that.
Alternatively use something like www.diy.com they have an online calculator in the radiator section.
Wiki User
∙ 14y ago
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The purpose of a radiator is to transfer heat from the engine to the atmosphere, so radiators need to be made of a material with a high heat transfer coefficient. Aluminum has a high heat transfer coefficient. In other words, aluminum conducts heat very well. There are other materials, such as copper, which conduct even better, but aluminum is more economical to use than copper.
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If your radiator is leaking then you will need to replace it. Additionally, if you find that your car is constantly running hot you will need a new radiator.
