DIY Home Improvement, Remodeling & Repair Forum > Appliances > HVAC > No power for 50 hours




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Old 02-09-2010, 01:30 PM  
Wuzzat?
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Default No power for 50 hours

Outside temp. in the teens at night, 30s in the daytime, yet the inside temp never went below 45F.
Why not?


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Old 02-09-2010, 03:26 PM  
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And you say the power is out? I'd say body heat had a lot to do with it.


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Old 02-09-2010, 03:59 PM  
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It is called thermal inertia from the structure and the ground. If you have a masonry home it would be 10F higher.

The lighter the construction materials, the faster the temperature drop until the indoor temp gets low enough. Most codes do not recognize the thermal mass storage of a structure and rely on short term lab R-value rating as a measure.

My all masonry home in northern Minnesota never got low enough to kick on the heat (set at 55F) until December, when we were already below zero many times.

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Old 02-09-2010, 07:19 PM  
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Thanks, folks. . .now that y'all mention it, I guess another factor is that the slab the house is on probably never gets below 50F. And we did get some sunlight for a day or so.
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Old 02-10-2010, 12:23 PM  
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I don't know about that but I'm sure it helped.


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