Insulate pipes in unheated crawlspace?

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Old 12-09-14, 06:27 PM
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Insulate pipes in unheated crawlspace?

Can we / should we insulate hot water pipes running in an unheated crawlspace to baseboard radiators (cast iron “Base Ray” brand) in our addition? These radiators always seem cooler than other radiators in the house.
 
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Old 12-09-14, 07:39 PM
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Sure, there are foam insulators that wrap around the pipes. They are available in different sizes. The most common is 3/4" for heat.
 
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Old 12-09-14, 08:09 PM
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Yes, pipes running in an unheated crawlspace should be insulated...that is unless you WANT to heat the crawlspace.
 
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Old 12-09-14, 08:37 PM
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that is unless you WANT to heat the crawlspace.
Yes... I can't insulate the heat pipes in my crawl because the domestic water piping will freeze... one reason why you might want to heat the crawl.
 
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Old 12-10-14, 06:56 AM
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I believe most state energy codes require those pipes in an unconditioned space to be insulated as well as the floor above,it is required in NH.
GEO
 
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