U-Value Room Heat Calculator
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deg C
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External temperature
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deg C
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Temperature inside room
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per hour
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Air Changes
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Heat
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Temp. on
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Loss
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Height
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Width
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Type
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U value
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other side
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(Watts)
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Wall A
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Window
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Wall
opp. A
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Window
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Wall B
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Window
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Wall
opp. B
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Window
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Ceiling
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Floor
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Volume
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Loss by Air Changes
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Total heat loss of this room
(Watts)
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