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Old 03-20-2017, 08:29 AM   #1
mainshipfred
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Working on a design for a small 200 sf wine cellar and had a rough time sizing the refrigeration unit. I came across the spreadsheet in the process. I think it is helpful. Not positive but I'm pretty sure it takes into consideration an undersized unit to help with humidity control. The calculator is an xls and I cannot attach the file. If you open the attached URL and then the "Air Innovations" link it is there.

https://www.google.com/webhp?sourcei...e+calculator&*

 
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Old 03-21-2017, 07:44 AM   #2
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That calc looks fairly standard.
Be sure to concider, is this a room or a cellar, when intering average temp.
Heat seeks cold. Average ground temp in my area is 55 degrees down to about 20ft.
Small units some times area not very serviceable. Lager units require specailized tools and install techniques.
Beware you tube.
Read install instructions, if you dont have the tools or dont understand charging dont do it. Talk to you heating/cooling guy.
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Old 03-21-2017, 08:35 AM   #3
mainshipfred
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I'm looking at compressor units with coils and already charged. Kind of plug and play. Just need some simple ducting to the cellar. The calc sheet already takes all the ambient temps and insulation values into consideration. Mine comes to about 1000 btu/h and the units are around $300.00. Total cost to about $500.00 for a 200 sf cellar.

 
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Old 03-21-2017, 08:42 AM   #4
sour_grapes
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Here, at least let me give a direct link to the page that contains the link to the Excel sheet: http://willefordsales.com/air-innova...ech-documents/
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Old 03-21-2017, 08:46 AM   #5
mainshipfred
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Thanks, that's a lot easier to find

 
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Old 03-21-2017, 10:20 AM   #6
meadmaker1
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What Is the ambient temp. A room abbove groud has a higher perimiter temp than an under ground room.
I get called to service these often. Some are even rivited together. This suggests no serviceability. Beware.
What is the value of the wine you are storing.
Having a spare might not be out of the question.
Units I trust for rooms of 1000 cubic ft are $3000 to $4000.
Keep in mind I don t sell them, but I do get called in to make them work.
Often over and under sized. The manufacture should be willing to help size also.
1000 btu above ground in a hot area might not even stay comfortable for poeple, but under ground the heat only touches the lid and maybe the door.
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Old 03-21-2017, 10:53 AM   #7
mainshipfred
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Keith, my bad, 30 sf, 200 cu. I couldn't figure out what all the fuss was about. 3" of closed cell in walls floor and ceiling. Ambient 85 at most.

 
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Old 03-21-2017, 11:07 AM   #8
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Lol big differance.
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Old 03-21-2017, 11:20 AM   #9
mainshipfred
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Yep it is, thanks very much for looking out for me though.

 
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Old 03-21-2017, 01:54 PM   #10
Boatboy24
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Quote:
Originally Posted by meadmaker1 View Post
Lol big differance.
And here I was thinking I could cool a 10x10 wine room for just a couple hundred bucks.
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