Peltier Water Cooler

Using Peltier chips to make an electric water cooler.
"Style Funk" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License
creativecommons...

[@1endell]

You didn't miss a thing that 90% of the makers do: Make something not only functional but also neat. Great job.

[@JohnRussellViral]

At first i was like where the hell is he gonna put the cpu.

[@johndoe-rd6jn]

i once tested a setup similar to this on a Athlon 2 core and was disappointed

[@TheSimonarne]

@@johndoe-rd6jn for cooling something like a cpu you need atleast twice the cooling area as you would need for a normal air cooler because you are cooling under room temperature usually and its not terribly efficient

[@JohnRussellViral]

@@johndoe-rd6jn Get a better peltier.

[@flippy9133]

would be interesting to put one of these into pc cooling loop to see if it helps cool water better

[@johndoe-rd6jn]

i once tested a setup similar to this on a Athlon 2 core and was disappointed

[@flippy9133]

@@picklesthegreatest I know about that I meant to use it as extra cooler in the loop just for the water

[@IzzyIkigai]

@@picklesthegreatest where's the point in putting a peltier element between a normal cooler and the cpu? you'd get worse performance because a peltier element will put out more energy than it can take out of the cpu?!

[@Falk9714]

It wont help whatsoever, unfortunately. The reason for this is because every cooler has a specific heat output. A peltier device creates more heat than what it is cooling down and therefore creates even more heat for the heatsink to output. Not only that, but a peltier device also have poor thermal transfer compared to the standard copper/aluminum block. What it can do is cool down your heatsink so that there is more ΔT of the mass to heat up, but eventually even this would equalize and the poor heat transfer of the peltier would still allow the cpu to be significantly hotter than the mass anyway. Lastly, anything that is cooler than the air around it will condense the moisture in the air and this pose a risk to most electronics.

[@WarrenGarabrandt]

This is a cool project! I have some thoughts that you might consider to get a little better cooling out of this. I think your contact pressure between the peltiers, heat sink, and water blocks can be improved to get some better cooling. Zip ties could be a quick solution as a test, but more long term, maybe some cheap metal bracket fashioned together from straight pieces of aluminum across the top and bottom sides, with long bolts running on the outside to squeeze together. You'd need to insulate the cold side from this bracket, or heat will transfer from the hot side through the bracket. Perhaps some thin insulation from an insulated lunch box would be enough to separate the bracket from the block, yet still be stiff enough to squeeze it together stronger. Ditch the metal tape. it will conduct (a small amount of) heat thus lowering efficiency. Have you considered running these peltiers in series? As in, Hot side of peltier A to the heat sink. Hot side of B to the Cold side of A, and Cold Side of B to the water block. The Pelties can only maintain a certain amount of delta T across them, based on current (higher current = higher delta T). To make the cold side colder, you can cool the hot side more aggressively. If the hot side is begin cooled by the cold side of another peltier, you may be able to double the delta T (or close to it) across the whole apparatus. Your heat sink will need to dissipate twice as much heat, so it will be much warmer to the touch and the fan will need to run at full speed. if each Peltier is 5 amps, that would mean 120 watts of heat to dissipate. A medium to high end computer heat sink fan combos for a CPU can usually do at least this much (sometimes up to 150 Watts), while keeping the hot side below 60 C. You would only need a delta T of 30 C on each peltier to freeze the water, in that example. Insulate the water tubes to further minimize the losses. Some have suggested that the orientation of the heat sink is important. I'm not sure about that. Most computers have their CPU heat sink oriented sideways, just as you have in your device. The conventional wisdom is that heat rises. This is true in a medium like air, which is less dense at higher temperatures at constant pressure. The copper/aluminum isn't going to work that way though. For one, the metal isn't circulating in a convection current. the heat pipes in the heat sink have a small amount of liquid that evaporates at a set temperature. It then travels through the tube to the cool side (fins), and condenses, releasing heat. It travels back along the inner walls of the tubes due to capillary action, to be delivered to the hot side of the heat sink again, where the cycle repeats. This does not depend on the orientation at all. It does mean that you have to warm up the heat sink to that evaporation point to get the most effective cooling out of your setup. Good project though. I like it!

[@Dex99SS]

Back in the day, it was a CPU, adapter plate (copper or aluminum), Peltier, Water block (copper), surgical tubing, transmission cooler, fans of course, and viola... sub freezing temps all day, distilled ice all over the cpu and sometimes board, and all the overclocking of a FCPGA 370 celeron, PIII, etc that one could want. This dates back to say the P233MMX or so as well, and anything in between. This was in the days of Overclockershideout.com, which I think still exists, but likely isn't what it was. What it was, was overclock databases, a marketplace where machinists, creative types, etc to sell and exchange their wares. Was where I sourced the tank, pump, and tubing for my cooling system. A bench-top power supply drove the peltier and fans, with a separate case with various wired together ATX PSU's doing the entire job of computer and cooling prev to that. Those were the days... Pushing a Celery to beat the newest and best PII or PIII numbers. Pushing your RIVA 128, Voodoo Banshee, V2, V3, V5, etc all the farther it could be pushed... Playing games when games were breaking boundaries and rules the same way you were in the convention of PC building. I miss the good ol days

[@krissebesta]

Yea, that's some really old school overclocking there! I had some of that hardware but never oc'd it like that. So what did you get in DooM? Like an extra 5 FPS? I upgraded my whole computer so I could play that damn game. ;-) Cheers!

[@Dex99SS]

@@krissebesta Depending on the era, it was any number of crazy combinations. Though once I mastered the original socket 370 platform, I then found the Abit BP6, dual socket 370 board. This was right around the advent of Win2k, so there was the OS that would bridge the gap between mainstream use, and NT level support for multiple CPU's. As back then, there were no "multicore" anything, no hyperthreading... just one cpu, one core. But I had two, lol... both with direct peltier cooling, then water cooled... for wonderful ice and overclocks. This was an incredible era because chips were topping out via intel or AMD at clock rates under 1Ghz... a Ghz wasn't even a term yet... we were at maybe 500Mhz on PII's at that point... and I was pushing two Celerons from 433 to about 800, and just destroying everything else made. It then went to an Abit VP6 with two similarly cooled and pushed FCPGA Celerons. Then the same board with two 933Mhz PIII's the Coppermine FCPGA obviously... pushed well beyond 1.2Ghz before they were officially even breaking the barrier. And it was such an ALIVE scene. Pushing these boundaries and seeing the very tangible results.. believe me, it was far more than 5fps increases, lol... we are talking about exponentially more power than any originally conceived mainstream machine back then, more than servers and the most power house of top end rigs... This was experimental, unconventional... with multiple CPU cores working on calculations in a time where this just wasn't even a thing... plus the massive overclocks on each of them :) . It was a very rewarding time to be involved in the game, where as today it is more or less just... turn key. You buy an unlocked cpu, meant to be selectively and easily "overclocked" from the factory... with a warranty that even allows for this. Back then overclocking was pushing things beyond that of their design, not buying a kit that makes it the most simplistic and easiest process imaginable. It was a talent, a skill, and something that took considerable commitment. Was fun... then it all sort of dissolved into this mainstream blah of today.

[@G3BEWD]

Could you do the same concept but to cool a CPU? It's gonna be very interesting to see the results!

[@ralanham76]

The problem is that kind of pelter would draw several times the CPU wattage and you'd need to cool the hot side down. Pelter are very inefficient.

[@alilouamori9805]

Nice work.

[@amaulana090]

Why not use thermal-conducting epoxy between the two waterblocks? I'm not sure how strong those are, but they do provide better conductivity.

[@assobirin2010]

Great video

[@pradeepksinha]

Running hour continuously?

[@sharanmachapatry3972]

You've only shown Peltier Cooling Degree Celsius But what about Room temperature ? And how long it will take to cool down The entire Room & In which Measurements of room Can we use ? I need your Reply Sir !

[@mickaelriess3086]

hello did you manufcature the water block yourself? im looking to cool water through tbis method as well for a project but lack this very interesting aluminium piece where the water runs through

[@abhidevendra]

Can we connect this directly to solar. I.e 19-20 volts

[@1StanTheMan1]

You'd need a battery storage and an inverter to run it all the time

[@perritochihuahua2094]

150 watts ,now how much power is a micro compressor and efficiency vs this system?

[@mercuriallimit]

So using two systems is just to make it cool faster? I'm attracted to the first one as my setup is quite small tank, 30*30 cm. would 1 be enough?

[@edwinselvarajkumar]

How long it will take to reduce the temperature from 31 deg Celsius to 24 deg Celsius . Can i use it as aquarium chiller ?

[@trackmaker12345]

What if water leaks from aluminum block? I am afraid of a leak into my P.C.

[@djbiplobkolkata]

I need one help from you How long time put it on peltier device Actually I was thinking making one small AC with 10 peltier device and water radiator behind the fan And I am using AC fan smaller size And I was decide to make cabinet minimum 2 by 2 feet And all the heat sink I will keep front side of the fan How is my concept please help me by comments

[@rickhermann7639]

want to use something like this but bigger for raising trout at home. get the water to 50 degrees Fahrenheit and keep it there

[@marcosoliveira8731]

Really nice.

[@jimchapman4024]

I've had real trouble with the manufacturing quality of these cheap 12706 chips. (12710 too) I bought 10 from Amazon (about $23) and put them all through a quick Delta T test using a two-fan heat sink and an empty water block with a thermoprobe in it. Each chip was powered on for 60 seconds in this setup. Of the 10 in that pack, 1 worked really well, 1 did not work at all, 2 were decent, and the rest worked a little, but barely. So that's 30% usable out of the 10, meaning those 3 chips cost $7.67, not $2.30 each. I've ordered another pack of 10 to see if I get the same results. I think doing anything beyond toying around with these Peltier chips would required buying a more expensive chip from a source that supplies product manufacturers. A 60W chips from these guys seems to run from $16 to $48 depending on the performance profile you want.

[@SafetyLucas]

Jim Chapman I plan to revisit this project soon and I may end up doing a similar test. In theory if the chips consume 60W then I would figure that they have "-60W" of cooling power. But you're right, I don't think they're quite as efficient as the manufacturers say. I will also try to determine the cooling power with a known volume of water. Although, I think you may have gotten unlucky with your shoddy performance. All the chips I bought worked just fine. Either way the biggest thing I need to do in my new video is change the orientation of my heat sinks. When I made this one I didn't know that the copper pipes were filled with ammonia. Do by not having them straight up and down I'm losing a bunch of efficiency.

[@jimchapman4024]

I had the sink up in my test. I didn't use water in the block, just air. This was because before I tested each chip, I waited until the temperature in the block stabilized after the prior test. Doing this with water would have taken longer given water's greater thermal mass. It also would take longer to see the temperature delta for the same reason. As for efficiency, I've read that these chips are quite inefficient in converting energy consumed to heat transfer, much worse than compressor based cooling systems, but they have their use because of their small size. So I wouldn't expect anywhere near 1:1. But it would be interesting to really do that and calculate the energy loss. I look forward to your future results. In reading spec sheets on higher quality chips, it seems that they can be focused on efficiency (heat moved per energy in) or power (maximizing heat moved). Or some balance between, so a designer can choose what works for the intended purpose. In other words, a chip rated at 60W (Joules/second) can move 60W of heat energy, but that isn't the same as consuming 60W (amps*volts) of power. Also, most of them seem to operate with best efficiency at less than maximum rated voltage. Mind me asking what seller you bought your chips from? My suspicion is that some of the really cheap ones may be manufacturer cast-offs that didn't pass QC. For the chips I got that didn't seem to work well (9 of 10), taking a laser temp at different spots on the surface showed that often, only 1 or 2 quadrants of the chip worked, the other 50-75% of the chip did nothing. So seems like manufacturing defects.

[@SafetyLucas]

Jim Chapman Jim Chapman I bought mine from an eBay vendor 'Mayunstore' although I don't think these are bought directly from the factory. I'd be willing to bet there was a vendor or two before this guy. www.ebay.com/itm/5x-TEC1-12706-Thermoelectric-Cooler-Heat-Sink-Cooling-Peltier-Plate-Module-6A-US-/252426848254?hash=item3ac5d007fe I also recently got a thermal camera so when I make my new video I'll have to take a look at my chips and see if I'm getting the same problem with not all the quadrants working. And I'll also try to plot efficiency and absolute temperature curves with power.

[@jimchapman4024]

can't wait!

[@josephkj2532]

Nice video.I need one information.I live in southern India where in summer temperature goes up to 40 deg c and humidity will be 77%.The roof of my house is made of concrete and to reduce heat I gave metal sheet roofing still I cant find any difference in reducing the heat inside the room especially during night time.I would like to know if I could moisten the metal roof by fixing flexible vinyl tubing on top of the metal roof and putting finer holes on these tubes.These tubes can be connected to the super cooled water from Peltier and circulate the water using a medium size aquarium pump, so that the roof gets cooled down and the room temperature will be reduced.But will this idea work ?

[@lazar2175]

No,your best bet is to hook this thing up to a computer radiator and let it cool your room.

[@errolfoster1101]

why not use heat sink paste between the blocks with elec tape between them insulating them from each other

[@Electronzap]

Great video, just subscribed :)

[@jayobrine8475]

Where is the water pump to move the water, or cooling fluid?

[@tuanas458]

how can you limit how much power it draws?

[@zuecifer]

But does it grip?

[@timlipinski2571]

Great video... But audio please be better. tjl

[@michaels8297]

Great work. But for a food application I don’t know if running the water through aluminum or copper is safe. Anyone know alternatives to this method that don’t use copper or aluminum. Stainless steel is corrosion safe but it doesn’t conduct heat/cold well

[@BioCharisma]

Do you have a redo for where I should buy my peltier coolers?

[@Fosi94]

This should be the stock cooler for AMD

[@sldkjh]

Hey dude, thanks for the video! Can I ask you where you got that awesome thermometer at 4:14?

[@jamessieber7095]

liked it , now how do I use this for my pc ???? I live in Mississippi one of the hottest places, as its also with the highest humidity!Which can result in very hot chips. Show me!!!

[@vyshnavshabunair8358]

So is it cold air that's being passed through the latex tubes?

[@SafetyLucas]

It's water.

[@Impetuss]

Dont use tape. Make something to clamp it together

[@browaruspierogus2182]

Tried Peltiers - they suck too much power - you can easily go beyond 40A. Besides water retains heat too long and eventually gets warmer. Refrigerant/compressor based coolers are superior.

[@ntime2095]

Is it possible to make one of these that is safe to cool drinking water? I want to make something to cool my dogs water this summer thanks! Great video

[@SafetyLucas]

Nathan Sutton Yes it should be fine to run drinking water through this. I would recommend running some soapywater through it first just to clean out any oils or dirt that may have been inside of it from manufacturing but once all that is rinsed out it should be fine for drinking water.

[@Lickemstick]

I just seen my dog eat a cat turd... I don't think chilled water from an old, previously hermetically sealed CPU cooler is going to do much to your pooch my friend.

[@MajorisMons]

Jeremy Schoonover lmao

[@captaincrazy5008]

Cold water is bad for dogs

[@Lickemstick]

I hope you're not serious... Wolves have been drinking from mountain creeks and streams for eons. Cold water is just fine for a dog good sir or ma'am.

[@oscaris1ru12]

practical and imaginative thankyou

[@sanal6635]

Remember, this thing produces water as s byproduct, and your motherboard aint waterproof 😆

[@1StanTheMan1]

Not PC mounted with a condensate drain pan and tank would be the method. Your refrigerator has one

[@pacerodi]

Very few people know you can sandwich two Peltier modules, instead of using a huge heat sink.

[@jamesandonian7829]

What? Lol but does that really work? Im using a 230w peltier module.. As you can imagine, i need a HUGE heatsink.

[@noobulon4334]

James Andonian you still need a heatsync, stacking pelters can help you get a bigger temprature difference between them though

[@martinsimeonov1563]

Two peltiers will enhance the thermal gap between hot and cold side. But that means also there is a possibility of overheating or overcolding one side, so you should plan that carefully. Anyways bigger gap means also faster transfer. If you use 100w it will move heat at 100w power.. if you use 2x 100w peltiers in series they will move 200w distributed on twice surface with same thermal diff. If you sandwich them, the backsided one should be more powerful becase it moves all the 100w from the front one and also gets something directly from the source through thermal conduction. Anyways if you sandwich them you get around 120w power transfer and the temp differrnce is greater. Using two sandwiched helps the hot side dissipation, since the heat dissipation gets 4 times faster if you twice the gap temperature with the ambient

[@EUCWayOfLife]

Can you please let me know what CPU coolers those are? I have yet to find ANY CPU cooler that has a 40mm X 40mm base, most are 35x35mm i have found 35x40mm but cant seem to find any that are 40x40 or larger for the contact area. Also i am curious what that reservoir is called that the water is in? Thank you!

[@CuriousScientist]

Check my Peltier-related videos, I share the exact parts I use in the description of the videos. I also had the same issue as you, the coolers I found were only 35x35 mm. I found some cheap, 6-heatpipe mode which can cover the Peltier perfectly.

[@andresreyes-tamayo7402]

can you get water from this mate?

[@superlobao]

i wish you've shown the results of the cooling on the pc hardware.

[@CodyBoyy]

Could u use that to cool a CPU with the cooled water ran to a CPU block

[@ozgurtaylanorer1766]

Hello this is good job. What is your mini color screen thermometer name or model?

[@philteare4635]

Can lower temps be achieved by stacking the tiles in series rather than applying two individual cold sides?

[@SafetyLucas]

No, the peltier chips make a lot more heat than they suck away. Stacking two together would result in overheating.

[@philteare4635]

Like this www.merittegroup.com/P_MS.asp It's a common technique for lowering the min temp achievable.

[@SafetyLucas]

I suppose in theory you could achieve a lower minimum temperature by stacking them. But only when configured like in those pictures where the chips get smaller and smaller. Again, peltier chips consume a lot of power for how little they transfer. A 40 Watt chip may only have a 5 watt Carnot equivalent efficiency. I suppose stacking the chips in a pyramid configuration could give you a very low minimum temperature but at that point you'd be consuming a ton of power and you'd still need a bulky heat sink to dissipate the heat from the largest chip. Just as a side note, they don't show any thermal transfer material between their chips in the pictures. I would think that would be necessary, otherwise the smaller chips wouldn't be able to dump their heat across the whole larger chips. I could see niche uses for such a configuration, but generally if you need a source of very low temperatures, multi stage compression type refrigeration is going to be your best bet.

[@lAljax]

What was the orginal water temperature?

[@masprassaja3818]

Can you adjust the temp, like put in a potensiometer in it?

[@TheBlackFoxMaster]

Интересненько, но Пельте там не нужен вовсе.

[@ihater3tards]

you may also want to try this: instead of using a water block.. Use a heatpipe cooler like you all ready have on the hot sides and submerge THAT into a small water container ( this is also another method im going to be testing for my ac unit )

[@UkiKuki877]

Were you using tec1 12706 chips?

[@bishor33]

hey bro, I am using small heat sink and fan attached for a CPU with fan dimension : 70X70X25mm, heat sink dimension : 80x67x25mm, with fan speed : 2500+- RPM, via adapter 12v and 5amp, for a cold water dispenser, it comes with 3 wires, black, yellow and read, I connected plus terminal to red and minus terminal to black, it it really slow, takes ages to cold, am I doing it wrong?

[@SafetyLucas]

Bishorjit Meitei Try connecting the 12V supply to the yellow wire instead. It may spin the fan faster. If that's not it then I would point to efficiency. Make sure your water tank and hoses are all insulated so that the air isn't warming up your water. Depending on how much water your trying to cool, you may consider using multiple cooling chips like I did. The more you have working, the faster heat will be drawn away from the water and the more it will be able to resist losses to the air. meaning it can get colder.

[@makegrowlabrepeat]

What would I search for to find those type of CPU heat sinks?

[@Lickemstick]

Behind any small PC repair shop. Walk in and ask for a couple old, used ones and they'll either give you them for free or at worst charge you a couple bucks for inflated recycled weight.

[@wutangclams3203]

hyper 212 plus

[@makegrowlabrepeat]

Where are you located?

[@1greenking]

You should do a kickstarter project for SPU all in one cooler. I would definitely buy one.

[@CommanderChronicles]

i wanted to see how much heat this could remove from a loop. Where is the load

[@lockywadhwa1125]

What is actual life of peltier module?? Means guarantee

[@allesvertig]

can i have the list of the equipments.

[@sagarmakhija1994]

use 2 Peltier chips in series for better and quick results

[@urbanlegend2072]

i am thinking of using Peltier with my mineral oil tank pc build too keep a low temp

[@1StanTheMan1]

I was thinking the same thing.. through a rad or heat exchanger...

[@eccentricity2257]

Hello dear Ayaz, I was watching a vocabulary list from an indian boy, Anoop Kumar, and saw your name in comments. So I need your response about whether you purchased the item from him or not. plz let me know. Thank you, Usman Kazmi.

[@trialupload]

what glue u used to stick pilter ???

[@happybreadfruit3530]

Awesome video, do u think that peltier can cool water from 26°C to 24-25°C if i use 5V and 1A adapter ?

[@SafetyLucas]

HappyBreadfruit the peltier chips only operate at 12 volts, but you could limit the current or the duty cycle to achieve a particular temperature range. Perhaps you could program a thermocouple to turn some kind of switch on and off based on the temperature of the water. That way you could make the water stay within your desired range with whatever tolerance you want and without having to modify the power supply.

[@happybreadfruit3530]

Thank you so much, im not very good at electronic, so if i use 12V power supply, peltier chip will take maximum current of that power supply can gave ? Or i need some current limiter ?

[@SafetyLucas]

HappyBreadfruit Your Peltier chip will only draw as much current as it needs. So like if you have a power supply that is twelve volts and 10 amps that means that the 12 volts is constant and the 10 amps really just means 10 available amps. So your Peltier may say it runs at 60 watts for instance in which case it would draw 5 amps from the available 10. Power is equal to volts times amps so 60 watts divided by 12 volts means it draws 5 amos of current. Now if you were wanting to reduce power of your peltier chip to run saw at 30 watts you could either limit the current to 2.5 amps or build some kind of a circuit that turns the power on and off rapidly so that it effectively works at half power. Or like I said with the thermocouple, you could make connectiont a programmable switch to a thermometer so that when it gets too cold, the chip turns off and when it gets too warm the circuit turns back on.

[@happybreadfruit3530]

Magneto! Magneto! Thank you so much for help man, I really appreciate it. I look forward to the your next videos :)

[@ΘεοδωροςΖωης-β7σ]

I want make a system who can drop the pc temps with Peltier but my Cpu is watercooled with Aio.....

[@mtalhakhalid1679]

I live in Pakistan so where i get that Peltier chip please help me out

[@irfanbeluli4998]

Why my peltier one site make hot onther site cold? Can i make just cold

[@xBINARYGODx]

is this a real question? the effect causes the heat energy from side to go to the other. One side must get hot for the other to get gold.

[@DaTechStudio]

Where did u get the heatsink from?

[@whyisblue923taken]

0:39

[@Makis123]

You are wasting cooling potential using a heatsink on the cold size. You should only use a heatsink on the hot side.

[@dredwinsaulelmejormedicode842]

Lo intente pero me formaba un poco de condensacion y luego se daño la celula peltier

[@Oldsah]

Why not direct die liquid metal peltier cooled by a watercooler? Well nvm

[@JozefMackovic]

Because of the water in the air...

[@ericnewton5720]

Sigh. There’s so many problems with this setup. Not to mention the efficiency of it being crap especially with all of the fans added. You only needed the peltier hot side attached to a heat sink to allow for higher conductivity from the cool side. A single fan is all that’s needed to facilitate greater heat transfer. Instead we have black electrical tape insulating the cold side from working effectively with an additional heat sink on the cold side effectively adding heat to the cold side. Good grief the more I examine it the more this setup is mind numbingly poorly executed.

[@bricaaron3978]

@Eric Newton I don't believe Peltiers are the most efficient way to cool, but I believe you are mistaken about the construction of this contraption. He joined two similar heat sink/Peltier/water block units together. There are two Peltiers total, which the electrical tape does not touch. The electrical tape interferes only between the surfaces of the water blocks, where heat transfer is not important.

[@marsovac]

@@ericnewton5720 There is no need of heat transfer between the blocks, only between the block and the peltier. He could have left the two water blocks separated and this would work the same. And for that he could have put a millimeter of thermal compund without affecting heat transfer, since it is 93W per 25 square centimeters. This is not a cpu die of 1 square centimeter that needs to transfer 130 overclocked watts, so the conductivity of the compund is not a bottleneck in this case. This setup might not be efficient when under load but not for the reasons you siggest. It is simply because peltiers are inefficient and those two with those heatsinks will overload when the water gets hotter under load. With this setup he needs to cool 2*93W + 130 CPU Watts on those two heatsinks, a worse case of more than 300W. He will need high rpms on fans when the water gets hot, due to the peltier temperature delta being almost constant, therefore he is pretty much cooling another additional cpu wattage on each heatsink, defeating the purpose of the setup. Better to put the peltier on the cpu and then cool it with water, and have just one peltier adding watts to the system and extracting heat where it is really needed. But that requires a thermally regulated voltage on the peltier to avoid getting the cpu under ambient or even freezing (condensation) when cpu is not under load, therefore much more complex to setup correctly. He went the easier route where condensation on the cpu area is avoided by trading for efficiency. Peltiers are tricky and difficult to use and inefficient, that is why we stopped experimenting with them decades ago. They are not commecially viable. Too many "experts" on youtube.

[@sciencoking]

6.8 degrees? That's pretty shit for a setup like that. Where is that much heat leaking in?

[@SafetyLucas]

Probably through all the latex tubing and the exposed surface of the water in the insulated cup. Sure it's not saturated but it worked for what I needed it to do. Keep in mind that I used a cheap eBay peltier and not one of the high quality ones.

[@sciencoking]

@@SafetyLucas there go my dreams of a distillation setup that doesn't require me to keep dropping ice cubes in the bucket.. Good effort anyway, very satisfying how well CPU coolers fit on a peltier.

[@sunrises5774]

from where I can get that peltier ....... cpu,or laptop?

[@robywankenobi32]

Its not from a computer or laptop (except for few exceptions where you could get a performance cooler like cooler masters V10 i think it was called) these modules can be found in simple car fridges or bought at electronics hobby shops

[@serhii_without_gmo]

for beer cooling!!))

[@mathquik1872]

I repeated the process on the other side bro who does speak so are you writing a candidate application document or what

[@edferd100]

Too much grease and too little pressure applied to the plates.

[@KintaroTakanori]

wuff 150 watts. thats a LOT. power bill on fire

[@lvkapajamuldisfuntv3609]

Use this for "water destiling purposes". Yea. Right.

[@jamesmatheson5813]

please make a temperature controlled baby stroller, my kids are dying, please!!!!

[@Dallen9]

I want to see this done for a pc watercooling set up.

[@1StanTheMan1]

I wanna see it on a PC water cooling system!

[@stanthology]

Nice work. Well executed. Even criticisms from super-nerds are helpful in machines like this because one can't think of everything.

[@LazyBunnyKiera]

I considered doing something similar to this in a PC watercooling setup. getting a high end water block with fine copper channels and attaching it to the peltier to pre-chill the water before it enter's the CPU's waterblock. Allowing the water going to the cpu to be lower than ambient temps.

[@ihater3tards]

just a fyi.. That aluminum tape was a bad idea since you are transferring heat to the cold side that way thus killing efficiency a bit...and the proper placement of components will also help quite a bit as mentioned below (hot sides upwards etc. ). Im waiting on some parts from china to do something similar BUT that cold water you have as a result will have a submerged 12v pump that will feed a 240mm radiator with 4 fans(push pull) blowing cold air into a small bedroom. Like a small a/c unit...

[@bentheguru4986]

No, not really. The glue on the tape is a crap conductor.

[@WizardNumberNext]

it really doesn't matter how much of heat output you would have on water side - TEC12710 peltier is unable to transport anymore then 93.5W at 12V, anything above that stay where it originates

[@yahtadi5152]

Sorry for this noob question but.. What is Peltier Water Cooler for? Just to make the liquid icey?

[@haydenc2742]

A 100W peltier with perfect thermal transfer (which won't ever happen) is capable of transferring approx 340~ BTU...so not a huge amount of heat transfer capability. So even a cheapish 3000BTU AC is so much more efficient at moving heat from the cold side to the hot side (cold inside, hot outside)

[@jamesandonian7829]

GreekRage also, I was wondering how to mount a peltier to the CPU heatsink. I bought thermal grease but it looks like I need some glue instead.. How would you have mounted it?

[@kurtandersen9838]

To maximize your cold output, you need to apply a higher pressure on the peltier/heatsink/waterblock junction. Also insulating the hozes will yield another couple of degrees. Nice project though :-)

[@SafetyLucas]

Kurt Andersen As Phil Stillwell said, it could also help to orient the heat sinks such that the cooling blocks are on the bottom. I didn't know it but those copper heat pipes are filled with refrigerant.

[@edtix]

Yes, it's true but horizontal alignment is also OK. What you really don't want is to mount upside down. Refrigerant agent vaporize with contact of middle section and then condenses in side sections. It transfer heat much faster but this is not the point in this project.

[@kurtandersen9838]

check out Ryans projekt here: www.overclock.net/t/1606680/peltier-tec-hybrid-water-cooling I made a similar setup but with Water cooling the hotside.

[@AleksandarStokic]

I've read somewhere that letting the hot side getting "more hot" will make cold side much colder, some kind of that principle. Has anyone ever tested that by reducing fan speed on the hot side heatsink??

[@Echolot789]

Do you have any info about the actual cooling power you get out of this thing? For example how long does it take to cool 1L of water by 1°C? Also, what power are the Peltier elements rated? Thanks!

[@DanBurgaud]

you forgot to mention the ambient temperature.

[@enrico4776]

Try to give less power at water-pump. For max cooler

[@roytelling6540]

mmmmmm I don't know anththing about PETIERS!!!! could you use one with the cold size connected to a CPU and CPU fan on top to keep the CUP cold????????

[@SafetyLucas]

The heat output of most CPUs is more than a Peltier chip can handle. You would need to connect multiple Peltier chips to a water block manifold to have enough cooling power. The power draw of such a setup would be very large though as the chips release much more heat than they absorb. They are very inefficient. CPUs don't need to be kept cold in most cases though. A normal radiator is typically sufficient.

[@wujekcientariposta]

I have a question regarding the peltier chips. In order to transfer let's say 100w of heat through them do I need a 100w peltier chip or they just speed up the transfer between both sides no matter the power. I'm wondering if there is a benefit to using a small power peltier chip between my cpu and cpu block to accelerate the heat transfer. thanks.

[@huzaifasajid6830]

The peltiers have naming conventions that mention its maximum current intake and its operating voltage you can calculate the power from there. You should look it up :) for example in "tec1 12706" tec stands for thermo electric cooler, 12 is the vlots and 06 the current in amperes. idk about the 7 and 1 lol ..

[@randolphtorres4172]

THANKSGIVING Great concept coupling, I have one point that can improve your efficiency. The heat sinks you used are designed to function only in one direction (oriented in one particular direction). Be sure to orient them in the same direction that they were in while they lived in the CPU. If I’am not mistaken the copper is a pipe or tube containing a refrigerant if so it’s a heat tube, relying on the phase of the refrigerant from liquid to gas, and back from gas to liquid.

[@SafetyLucas]

You're right the, tubes contain a refrigerant. But they don't have to be oriented upright as the interior walls are lined with a porous sintered metal powder which acts as a sponge, constantly drawing liquid back to the hot end.

[@rubloller4502]

did he juist calles thermal paste thermal greese?! come on man!

[@xenodeath7065]

If you don't lubricate your CPU how can the temperature move freely? The temperature will seize up if not properly lubricated.

[@anthonybush3134]

Wow I just now found out about these chips! It’s so weird how something like that can get cold just from electricity. I want to build one of these

[@bingbongap5558]

Definitely building this for my PC. It's always running hot. Like 75C +

[@John-gp7tc]

Nice project, some good comments about increasing pressure and removing conductive tape etc. Also better cooling may be achieved by reducing the voltage across the peltiers, My rig using TEC-1-12715 gives best efficiency at 8.5 amps. The most important thing when using peltiers is removing the excess heat from the peltier. The chips generate far more heat than they transfer at higher currents.For example my TEC-1-12715 running at 8.5 amps and 10 volts will transfer about 33 Watts but increasing the current to 11 amps at 14 volts only has a heat transfer of about 28 Watts. The reason is my CPU cooler can work fairly well with 118 Watts (85 W from chip 33 W from heat transfer) but the cooler struggles with 182 W (154 W from chip 28 W from cooling). So I guess I am saying you have to match your operating current to your CPU cooler. Don't just think stronger peltier will give better cooling the heat sink needs improving as well.

[@vincentmuchiri9347]

I clicked the like button the moment you applied the thermal paste correctly.

[@PyramidHeadsLacky]

Is it possible to use these chips to make a cooling jacket with tubing and water or some coolant. (My work is hot)

[@SafetyLucas]

Yes. But but be aware that the amount of heat released from hot side of the chips is much greater than the amount of heat absorbed by the cold side. Depending on how large the place you're working is, the exhaust from the heat sinks might make the air warmer. I hope you'll build it but don't forget the cooling power of a wet T-shirt and a fan.

[@PyramidHeadsLacky]

@@SafetyLucasthank you

[@TheRealDonDiesel]

The only problem with the thermal tape is that it was applied to both the hot and cold heat sinks and will result in some transfer of heat energy and loss of cold energy. Also would have been more efficient using thermal paste between the two cooling blocks. Combine their cooling power more effectively. Other than that, awesome video!

[@Kikutuca]

You can improve the overall performance simple turn your assemble 90°. The reason is that the sifon effect will works better, because the hot fluid inside the copper pipes of the heatsink always goes up, allowing the more dense cold fluid flow down. Try and see.

[@NilsAlbertsson]

*Without putting the system under load (IE. a 3L Alembic still's cooling vessel - for example, as it looks about the right size) then this whole project is just an exercise in self gratification... Perhaps you "ripped the head off it" while watching your invention whirring away doing fuck all!*

[@تاكىيوسف]

Good project; and you can flip the PELTIERS CHIPS YOU CAN GET WATER FROM AIR AND YOU NEED TO COOL HOT SIDE . BY condensation of water vapor

[@popsfishing]

Well explained and exactly what I needed for my system

[@johnhull2582]

Why two blocks? Couldn't you attach the cool side to a single block, one on each side, give a greater surface area to the single block with less mass, less complexity and cost.

[@SafetyLucas]

Well you see.... I didn't think of that. Lol. Yeah, one block would have worked fine. I don't think there's much of a performance loss by using two blocks, maybe it takes slightly longer to reach steady state due to greater thermal mass and the flow resistance is slightly higher and a small amount of heat can transfer in to the tubing between blocks. But you're absolutely right, one block would have been simpler.