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Old 10-21-12, 02:48 PM   #1
JRMichler
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Default Dehumidifier inefficiency

When the dehumidifier in my shop died, I went down to Walmart and bought an Energy Star replacement. Plugged it into the Kill-A-Watt and waited.

A week later, it had produced 8.0 pints of water, consuming 30.34 KwH in 166 total hours. That's only 0.26 pints per KwH.

Then I set it to continuous run, and plugged it in for an hour or two now and then. Not real scientific, but as long as the humidity is around 50%, I'm happy. Results: 6.5 pints in 13.8 hours total running time, with 5.08 KwH used. That's 1.3 pints per KwH, almost 5 times more efficient.

The efficiency is low because I heat the shop to 65 deg F. It's insulated so well that the temperature peaked at 68 deg F last summer.

I'll put it on an external humidistat before next summer.

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Old 10-21-12, 04:24 PM   #2
skyking
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I think the heating factor of a dehumidifier is a big plus, at least in my climate. I will be using one to heat/dry our travel trailer this winter.
Which model did you buy?
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Old 10-21-12, 07:31 PM   #3
JRMichler
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I don't know the model number. It's the 50 pint GE Energy Star that was in the store last summer.

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