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Old 11-20-2011, 05:47 PM   #1
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Sensible and Latent


I have done a calculation

I have Sensible Gain 10,174
Latent Gain 2,409
Total Heat Gain 12,583
Toyal Heat Loss 32,721

I ran a program entered all the data

But I am much better at computers than HVAC

What are these numbers telling me

Brian

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Old 11-20-2011, 08:42 PM   #2
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Sensible and Latent


That you need an A/c that can provide that sensible capacity at your design temps. Most likely a 1.5 ton will meet your needs.

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Old 11-20-2011, 09:17 PM   #3
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Sensible and Latent


Are you working at heating or cooling? Where are you located?
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Old 11-21-2011, 04:42 AM   #4
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Sensible and Latent


Charleston SC
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Old 11-21-2011, 01:55 PM   #5
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Sensible and Latent


tells you that a 1.5 ton system will take care of your needs. Is your heat elec. or gas or somthing else?
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Old 11-21-2011, 03:03 PM   #6
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Sensible and Latent


Heat Pump with Elec BAck Up

May I be so bold as to ask how you interpet those numbers into 1.5 tons

Thank you for all your help

As I am Great at computers and programs...
not an HVAC Expert
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Old 11-21-2011, 03:17 PM   #7
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Sensible and Latent


In air conditioning. 12,000 BTUs equals 1 ton. A 1 ton heat pump is not made in a conventional split system. So the next size up is 1.5 tons. Next, even if a 1 ton was made. You need 10,174 BTUs of sensible capacity. A 1 ton would not be able to provide that, as a min of 20% of its capacity would go to latent capacity, which would leave you only 9,600 BTUs of sensible. So you need a 1.5 ton to meet your cooling load.
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Old 11-21-2011, 03:26 PM   #8
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Sensible and Latent


Thank you

Brian

If you ever need any Building Inspector Questions Answered look me up


Last edited by BSB00; 11-21-2011 at 06:46 PM.
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