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Discussion Starter #1
How many kw to heat an un-insulated 20' shipping container in a Canadian winter

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Electrical Contractor
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Why bother?
15kw running 24/7
 

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Where in Canada? Big difference from Manitoba and Vancouver Island

How warm. Just to keep above freezing, or warm enough to live in?
 

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Petulant Amateur
Poor electrician, excellent bull chitter.
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Go here:

www.ouellet.com/heat-capacity-calc.aspx

Geography doesn't really mean anything. What you're dealing with is the difference between the lowest outdoor temperature and your desired indoor temperature. As a wild a$$ed guess, 5 to 7.5KW will probably make the temp inside your sea can bearable but you need to seal off the door somehow.
 

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I would put in two of the little 5KW garage heaters. May be a lttle over kill but at $265 a piece who cares.
 
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