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Window radiator with long tubing project

post #1 of 5
Thread Starter 
I am sick of my PC dumping all the heat in my bedroom causing it to be always hotter here than anywhere else in the apartment. I propose a solution to guide the heat via a watercooling setup to a different location, eg. the window.
I have created a (poor) model of my room and setup, and I am wondering if this idea is really feasible.








The tubing/piping will have to be about 9m, or 30 feet. The door is an obstacle, and there is no way around it. I will probably have to use 2 or 3 pumps to get a decent water flow, because of all the pressure drops in the system. Should I use piping or tubing? I feel like piping would be more solid, but also harder to implement. Tubing, in my experience, is not as rigid and making such a long system would make it look not neat/clean.

The radiator box is not a large issue, I have already looked at some vendors and it seems they have what I need. I have a 420 radiator right now, which will not be enough to cool a 3930k, 2 780s and an asus 4 rive, so I will purchase the same 420 radiator, and place them on top of each other. The window is about 80cm wide, so I could also go with 2 360 radiators side to side. This might make it easier to mount, as there are no brackets to stack two radiators.

I will use koolance QDC fittings at the radiators so I can easily turn the radiator setup the other way around, depening on the weather conditions. If it's hot outside, I will blow air outside. If it is cold outside, I will blow air inside. I live in Dallas, TX, so winters are mild, and summers are scorching hot. I will need to create proper insulation so that I don't waste energy from my AC/heater.

Since I am still in the planning phase, I have no idea which fans I will be using. I will probably need a small power supply unit near the radiators to power the fans and perhaps a pump which is located there. I would like to be able to control the fans manually.

I assume bleeding/filling the system will be a royal pain. Emptying it shouldn't be a major issue, if I get QDCs/valves in the right location.

For cold days, I will have to worry about condensation. Since I prefer it be around 20-22C inside my room, the dew point frequently drops below that. Now, the radiator is technically mounted inside, but as long as the window is open the cool air will reach. I will probably have to get a water temperature sensor so that I can monitor and adjust the fan speed/window position properly.

Another issue, is that my window is facing west. From about 1pm to sundown the sun is beating down on it. Hence why my room gets so very hot when I'm using my PC.

How feasible is this idea? Would it look good/bad? Pro's/cons? Any experience? I would love some input from you guys. Thanks.
post #2 of 5
Plenty of people have done similar things without issue. Long lengths of tubing are not really very pressure dropping so depending on what pumps you are talking about 3 seems excessive. The only slight issue may be filling with the large head of water going over the door ... it isn't too severe though so should just take time. Once it is filled it won't really make a difference.

External rads are much more efficient than enclosed ones. Twin 420's might have less gain compared to a single one than you may think.
Kusanagi
(21 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 3570K Asus Sabertooth Z77 EVGA GTX 780 SC Corsair Vengeance Pro CMY16GX3M2A2133C11 16GB 
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Samsung 840 Pro 256GB X2 EK Supremacy Aqua Computer Aquaero 6 Pro Aqua Computer D5 USB 
CoolingCoolingCoolingCooling
Aquacomputer MPS 400 flow meter EK-CoolStream PE 360 EK-Coolstream PE 240 Noiseblocker Eloop B12-PS 
CoolingCoolingCoolingCooling
EK Vardar F2 EK-FC Titan Acetal & Nickel EK-RAM Monarch X4 Clean CSQ - Acetal+Nickel EK-D5 X-RES 140 CSQ 
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Win 8.1 Pro 64 bit Samsung S27A750d LG E2290V-SN Silverstone Strider Plus 850W ST85F-P 
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Corsair Obsidian 750D 
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Kusanagi
(21 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 3570K Asus Sabertooth Z77 EVGA GTX 780 SC Corsair Vengeance Pro CMY16GX3M2A2133C11 16GB 
Hard DriveCoolingCoolingCooling
Samsung 840 Pro 256GB X2 EK Supremacy Aqua Computer Aquaero 6 Pro Aqua Computer D5 USB 
CoolingCoolingCoolingCooling
Aquacomputer MPS 400 flow meter EK-CoolStream PE 360 EK-Coolstream PE 240 Noiseblocker Eloop B12-PS 
CoolingCoolingCoolingCooling
EK Vardar F2 EK-FC Titan Acetal & Nickel EK-RAM Monarch X4 Clean CSQ - Acetal+Nickel EK-D5 X-RES 140 CSQ 
OSMonitorMonitorPower
Win 8.1 Pro 64 bit Samsung S27A750d LG E2290V-SN Silverstone Strider Plus 850W ST85F-P 
Case
Corsair Obsidian 750D 
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post #3 of 5
I did a 40' run (actually 2 20' runs, a feed and return) for "The Betty".

I built up an external radiator stand with 18 AP-14 fans, 3 XPSC RX360 radiators, an extra large res, and twin D5 pumps. I had a 12V 8A "wall wart' power supply running the whole thing all the time.

I popped a hole in the wall, and put it in the next room. It cooled by 965EE and 2 GTX 580 video cards nicely.

I'm actually going to sell it all (less 2 radiators and 12 fans), if you are interested. I even have the Koolance QDC's.
post #4 of 5
Thread Starter 
Alright, so I've narrowed down some items. I have one concern though. Is the only way to reverse the fan direction to just turn the radiators around? That would be quite time consuming (even with QDCs). Fan polarity switching is also out of the question I guess; it reduces fans' performance and I'm sure it won't be good for them, if they run at all.

I narrowed it down to two 420 radiators. Since I already have a Coolgate 420, I decided to just purchase another one. Now, it will be about 2cm too wide, but I think it's better than 2 360s and having some extra space open that I would have to manually cover myself. I am now looking for some (cheap) 140mm fans. I already have some Yate Loons slow/medium fans, but they are quite weak, especially the slow ones. The fast ones are powerful (and loud), but with a fan controller I should be able to tone them down. Now the issue is, I have a Kazemaster fan controller, which gets up to 1A per channel. The fast YLs require 0.5A per fan, so I can only control 8 fans through them, not the full 12. The YLs are cheap though (less than $10 a fan), so I can either buy 12 different/more expensive fans and keep the controller, or 12 YLs and a different controller. I'd like to remain within budget (if there is one at this point).

I think I'm going to go with tubing mounted a long the walls. Metal piping is a stretch too far, and tubing will look good too. I made the slight miscalculation in the OP, the length of tubing was only one way, so I will probably have to purchase 6x 10' of tubing, which is quite expensive already. Also I'd like to get another MCP655 pump and get an EK dual top. I already have a reservoir, so no issue there. Combined with fittings and waterblocks this project will be quite a bit more expensive than I would have hoped. It will be one hell of a project though.
post #5 of 5
Thread Starter 
Wonder why no one is replying. This seems like a pretty cool, and different project to me. Not your usual mount in case mod. Anyway, I decided to include my spare 780 in the build so I'll have 3 780s, ASUS RIVE, and a 3930k under water. I might switch out the 3930k for a 4930k, if I manage to sell the 3930k for a good price.
I am pretty set on every item, and to reduce costs/tubing I'm planning to make two lanes crossing my room, but it will only be about 70 cm where it is noticeable. It's not ideal, but I'll save about $50 - $75 on tubing, and I'll probably get a much better flow rate because I don't have to go up the door (2m) twice.

Only item I'm not sure about are the fans. I will be using a fan controller that has 4 channels of 1A per channel, or 12W per channel. Since I'll be running 12 fans, each fan can have a max of 0.33A or 4W. With this I can monitor/set every set of fans on each sides of the radiator. Any recommendations? I want them cheap, preferable less than $14-$15. I was looking at Phobya G-Silent 14 1400rpm fans (0.24A). Does anyone have any experience with this? I can't find data on static pressure, are they any good on radiators? They are cheap ($11) so I like them, but I want the fans to perform good also.
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