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How dry is the air blowing from a dehumidifier?

post #1 of 5
Thread Starter 
Obvious motivation for this question is:

I want to have a dehumidifier blowing on my case to lower the dew point. However, is the air being blow out actually dry, or does it take multiple passes of the air through the evaporator coils to really dry it out?
post #2 of 5
Well look at it this way. It'll never get more humid than it is at room temp. Whether is takes a while or just one pass through depends on the brand and model.

So it really wouldn't matter if it requires multiple passes. Just let it run on there for 30 minutes and you should be fine.
post #3 of 5
Thread Starter 
I thought about doing that but then my question comes from wondering whether there is an advantage to funneling the dehumidifier output into my case instead of the room.
post #4 of 5
You know a AC unit also works as a dehumidifier, also lets you keep your room cooler.

A dehumidifier is just a AC unit at heart, just uses the cold air to cool the condensing coil
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The RED Beast
(18 items)
 
HTPC
(19 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i7 2600K @4.4ghz Asrock z68 Extreme4 HD7950 with EK FC7970 Block 1250/1600 G.SKILL Ripjaws X Series 8GB 11-11-11-30 2133MHz 
Hard DriveHard DriveCoolingOS
3x 640 WD blacks Raid 0 Samsung 470 Series 128GB SSD XSPC Raystorm Windows 8 64bit 
MonitorMonitorKeyboardPower
PLANAR SA2311W Acer GD235HZ Logitech G110 TX850 
CaseMouseAudioAudio
HAF922 Logitech G500 Creative Sound Blaster Z  Klipsch Synergy B-20 & Dayton Audio SUB-800 
AudioAudio
Yamaha HTR-5790 Audio Technica ATH-A700 headphones 
CPUMotherboardGraphicsRAM
Q9550 @ 4GHZ Gigabyte EP45 UD3P GTX465 OCZ Reaper 1150 
Hard DriveOptical DriveCoolingOS
Western Digital Blue 500gb LG Bluray Corsair H50 Windows 7 Home Premium  
MonitorKeyboardPowerCase
Vizio VL370M Logitech K400 Corsair CX500 nMEDIAPC 6000B 
AudioOtherOtherOther
Yamaha HTR-5063 Xbox 360 Elite  PS3 80GB BC PS3 with 250GB hard drive. Polk Audio Monitor 60s Bi-AMP Front 
OtherOtherOther
Polk Audio Monitor 30s Rear Polk Audio CS1 Center Polk Audio PSW10 
CPURAMHard DriveHard Drive
Atom 330 Dual-Core 1.6GHz Wintec DDR2 2GB Hitachi 2TB Hitachi 1TB 
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post #5 of 5
Thread Starter 
Quote:
Originally Posted by DzillaXx View Post

You know a AC unit also works as a dehumidifier, also lets you keep your room cooler.

A dehumidifier is just a AC unit at heart, just uses the cold air to cool the condensing coil

Yes, but I have my house AC set to 74 F already, and any colder feels uncomfortable to me. A dehumidifier supposedly blows slightly warm air.

I suppose I could take a humidity measurement on the outlet of one of my HVAC vents to see what % RH it is. A dehumidifier I imagine would yield a similar result.
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