I have always used internal radiators with both a push and pull setup since 2000. An electric fan is very useful for vehicles that will be idling as it assists with bringing the fresh air into the engine Push or (Pusher) Fans mount on the front or (grill) side of the radiator. With a push and pull I could reduce the noise better. That way you have pretty much undisturbed air which should go through easier. A simple pull config works completely fine. I have always used internal radiators with both a push and pull setup since 2000. If you push the air is very turbulent and less likely to go through the straight fins. AskEngineers is a forum for questions about the technologies, standards, and processes used to design & build these systems, as well as for questions about the engineering profession and its many disciplines. Menu. Back in the olden days the fan was mounted directly to the front of the engine, so pull was the only option. As for best config, gentle typhoons are most effective in push. Dominic Moass December 28, 2016 Cooling, Featured Tech Reviews When I built my first PC a few years back, I … Without going into boring details I'm about to built a different cooling system for my Walker MDD ride on mower, it's an older model that commonly suffered from overheating issues due to a non reversible fan and poor grass discharge design. What is the difference that makes push better for this design scenario? Welcome to the official subreddit of the PC Master Race. Using radiator as intake on the other hand hardly effects GPU temps in game. Hey, I have got NZXT Kraken X73 for my new i9-10900K build; I have also ordered additional 3 Noctua NF-F12 iPPC 3000 PWM fans to do Push/Pull with the radiator. This would mean using any extra fans in push/pull makes little difference as the air is already flowing easily enough, rendering the extra fans redundant. Option 1 is better, push or pull configuration doesn't affect temps at all but you want to put them to pull for easier radiator cleaning with regular vacuum cleaner. 6700K + 1080Ti. Bottom line, if you want to run two fans, run one on either side of the radiator in a push/pull configuration. While for Push/Pull we tested three flow rates, the Push Only testing was conducted only at 1GPM in order to save time. Im not sure which fan Ill use (most likely silverstone ap123 or gelid wings uv 12), but I know that they are going to be pulling air into the case. This works whether the fan is a pusher or puller. Pull/Pull came out at 8.9C which a little better, but still not worthwhile. $29.89. 0 comments. Is it more efficient an effective for cooling performance to have a fan push air into a radiator or pull air out of a radiator ? Dominic Moass December 28, 2016 Cooling, Featured Tech Reviews When I built my first PC a few years back, I … Having a plenum between the fan and radiator lets the airflow change direction more gradually, reducing both turbulence and noise. New posts. Thread starter CoW]8(0) Start date Sep 26, 2005; Sep 26, 2005 #1 C. CoW]8(0) [H]ard|Gawd. "Push" vs "Pull", radiator airflow configurations. Let’s double check that at medium fan speeds. 280mm radiator top-mounted, pull-exhaust configuration. Noise level is just a little more than just 2 pull but the temp drop was like 3 degree less but it takes a lot for this system to warm the rad up. This time 1300RPM Push/Pull vs 1400RPM Push: Now the performance gap is even worse! You can have a push pull with the case, but unless the fans on both side match, there’s gonna be inefficiencies. Press question mark to learn the rest of the keyboard shortcuts. that's good to head because I really want the pull config purely for aesthetic purposes so I can have led fans and they were viewable thanks for the If a radiator is on the front of a rig it's easy to do a push pull on the rad being as an intake because one would already have places for case fans there. If, however, the fans are behind the radiator and they pull the air through them, that’s called «pull». Pushing or blowing against itself, or the natural flow of air through the engine compartment is like … Ascend to... the PC Master Race. Check out the video to find out more. Aids to Cool the Entire Engine Bay, including Radiator, A/C System, Intercooler, Oil System, and Transmission. it's more efficient for a fan to pull air through a radiator (especially with a shroud), so it would use more of the radiator's surface. I prefer top-mounted for aesthetics, the build with front/intake radiator mount is simply because the case did not support top/exhaust with the mATX mobo, case is a Corsair Air 240. I have a dual 120 rad with 4 fans, two stronger ones on pull and the weaker ones on push. 6600K + 1060. If you pull from over the engine then it may be worse than pulling fresh air in. Forums. Press J to jump to the feed. But as said it depends on the fans and the radiators. I have used the above with 120,240 and 360 lenght radiators the average gain with both push and pull on was always less then 5c with 90 to 120 cfm fans. When the fans are placed in front of the radiator and air pushes through them it’s called «push». Using radiator as intake on the other hand hardly effects GPU temps in game. XT45 will provide 50 watts of cooling in push, 60 in push pull at 1000 rpm UT60 = 50/ 61 Monsta 80= 51 / 62 For each 120mm of radiator: XT45 will provide 61 watts of cooling in push, 74 in push pull at 1250 rpm UT60 = 63 / 76 Monsta 80 = 60 / 80 For each 120mm of radiator: XT45 will provide 68 watts of cooling in push, 82 in push pull at 1400 rpm 1/2. I have a dual 120 rad with 4 fans, two stronger ones on pull and the weaker ones on push. Overclocking & Cooling. If we are talking about a standard car type radiator with lots of fins I think pulling is the correct way. And put a shroud around it to make sure all the airflow is actually going through the radiator. Howver, it did almost match the performance of the upgraded push/pull H100. Title: 10" Motor Pull Push Fan. Most people doing that will do a push setup because of the mounts they have and also the backs of fans can look a bit ugly level 1 Core i7 4790 - GTX 1070 - 16GB RAM PRODUCT Motor Engine Radiator Cooling Electric Pull Push Fan. Link to post Share on other sites Reason being, there isn't enough flow resistance to effect air movement. As mentioned in a reply to another comment here, I will go ahead and add in a small push-pull test to the Nemesis GTR … Linustectips clearly reccomends a pull configuration. Push Only Data vs Competition. Noise level is just a little more than just 2 pull but the temp drop was like 3 degree less but it takes a lot for this system to warm the rad up. I don't know about fan aero... although I do know bearings and motors a bit, and would say for fan reliability, push is less heat on the fan motor's bearings. Push means that the fan is closer to the inside of the case and pushes air though the radiator. Engineers apply the knowledge of math & science to design and manufacture maintainable systems used to solve specific problems. Which do I recommend? Push. This way we can assess whether fan configuration makes much difference whether you are using a radiator or a more typical heatsink tower. Push, pull, or push/pull? By EnergyEclipse March 31, 2017 in Custom Loop and Exotic Cooling. Which side is hard to clean? I imagine that the air stream from the vehicle moving contributes to cooling the radiator, so the radiator still sees a turbulent flow of air when the car is in motion despite having a fan pulling air instead of pushing it. This was a killer quite setup. Testing push vs pull vs push/pull. We continue our guides that show differences in radiator performance depending on the speed of the fans, thickness, and FPI of radiators etc. With a push and pull I could reduce the noise better. Switching a forces draft cooling tower out for an induced draft one will drop the required HP for the same load by about a third. Joined Jul 25, 2005 Messages A-Team Performance 130031 Electric Radiator Cooling Fan Cooler Heavy Duty Wide Curved 10 S Blades 12V 3000 CFM Reversible Push or Pull with Mounting Kit Black 16 Inches 4.5 out of 5 … In stock form, with the two Corsair SP140L PWM fans, the H115i was MUCH louder than my H100 with the GT AP-15s. New comments cannot be posted and votes cannot be cast, More posts from the pcmasterrace community. The custom car world almost unanimously agrees that puller fans are more efficient, though there's not really any data out there. New posts New profile posts Latest activity. You can attach fans to both sides of the radiators. Forums. Press J to jump to the feed. Here's an episode that we've been asked to do for quite some time. Put the faster ones pushing. New posts New profile posts Latest activity. Push, pull, or push/pull? Another factor could be the fan speed. 30-40% on Push vs 85%+ on Push/Pull. Higher air velocity gives better heat transfer in the radiator. Pushing or blowing against itself, or the natural flow of air through the engine compartment … If you are just talking about the fans on your case, most builders will … I did both since I had extra silent panaflos around. The fan motors are usually mounted on top of the condenser coils. A pull configuration mean less dust on the radiator, and more air flowing pulled out threw it, that being pushed out threw it. Title: 7" Motor Engine Radiator Cooling Electric Pull Push Fan. But he didn't have a vent where it was pulling air from. So in other words FOR EQUIVALENT NOISE – Push/Pull on ANY radiator out performs Push on ANY radiator. Push or Pull? Depends on what you're doing with it. The air downstream of the fan will be more turbulent than upstream. Purely from a "getting the maximum amount of cool air flow" point of view. Pull in push - pull config produces marginally (but some times important) help to push fans to do do their job. Auto: You want to draw a line between where the fan does the work, and where the fan is useless... that number is in MPH. Since most AIOs these days are between 25mm and 30mm, I would really just stick with the two best fans instead of trying to mount all four. Find out what fan configuration is best for cooling down your radiator. This is assuming the fan being used is a static pressure fan, since those are supposed to have a more focused flow for restricted air flow situations, like a radiator. Improves the cooling to your entire engine bay including oil cooler system and transmission. You can try to do exact calculations on the different heat rejections between the 2 orientations, but from the industry point of view, it will be negligible enough to justify changing the standard pull orientation. While I have done radiator shroud testing before using more conventional 7 bladed fans, I wanted to do an update to both serve in shroud results and also give me some hands on time with my new radiator testing bench to see if there are any tweaks remaining before settling on a test method. Exhausting air form inside the case through a radiator may give you a few degrees higher CPU temp in games because GPU makes a lot of hot air. Application: Any Radiator Depending on Size. Another factor could be the fan speed. Let’s start with 750 RPM and see how it … New Listing 16'' Slim Fan Push Pull Electric Radiator Cooling 12V Mount Universal Kit BK New. So you want to push hot air out. I was wondering if a pull setup would be better for my radiator considering i won’t have a lot of space between the fans and front of my case. Difference between Push and Pull Fans. I'll build a small circuit to reverse the direction of the fan every few minutes for 20 seconds or so to clear the grass anyway. We hope to help you decide what kind of setup is right for you and to show the benefits of each. I'll build a small circuit to reverse the direction of the fan every few minutes for 20 seconds or so to clear the grass anyway. Improves the cooling to your entire engine bay, including Radiator, A/C System, Intercooler, Oil System, and Transmission. Pull trim: the fan(s) suck in the air as if/they were installed below the radiator and "pull" the air across the radiator fins. But he didn't have a vent where it was pulling air from. Linustectips clearly reccomends a pull configuration. The pull is where it's mounted behind the radiator (usual position) and pulls air through the radiator and exhausts the air across the engine compartment. hey guys setting up my first watercooled rig just had a question. Interesting that so many people are saying push when the vast majority of car radiators pull and the radiator for my home AC is also pull. Push means air goes fan -> radiator, pull means air goes radiator -> fan. Put the fan in the best place to mount the fan. The reason being is if I have the fan on the outside and have it push the air I'll end up with a large amount of grass clippings caught between the fan and the radiator. Testing push vs pull vs push/pull” net, “Push or pull air across radiator fins?” Tom’s Hardware, “Liquid cooling – should it pull the air INTO the case or push out?” Tech Radar, “PC cooling mythbusting with Corsair’s fan and PC case experts” Ars Technica, “Push vs pull cooling” Push, the velocity of the air coming out of the fan will be higher than the air being pulled. Forums [H]ard|Ware. Forums [H]ard|Ware. "Push" vs "Pull", radiator airflow configurations. AKA have the 1150's push/pull on one section, and the 900's or 1450's push/pull on the other section. Edit : A huge thanks to everyone that posted.. unfortunately I'm going to have to go with mounting the fan on the engine side of the radiator and having it pull the air through. So, if you want optimal overall temps, you should give your radiator fresh air. I am currently building my second PC. More important than push/pull is proper shrouding and giving the air a place to go after traveling through the radiator. Generally, a radiator is a square, and fans are circular. Push/Push came out at 9.1C, which is barely any better than just one fan in push. And honestly, you get some pretty big diminishing returns when you do push/pull unless you are using a thick radiator (50mm +). So my question is, I'm going to mount an electric fan on the radiator, which is side on to the mower (so not at the front like a car), am I better to have it pull the air through the radiator, or mount it on the other side and have it push it through? This way we can assess whether fan configuration makes much difference whether you are using a radiator or a more typical heatsink tower. "Push" vs "Pull", radiator airflow configurations. It makes very little performance difference.What space you have, the position the rad is mounted in, and whether you want it to work as an intake or an exhaust should make the decision for you. Improves the cooling to your entire engine bay, including Radiator, A/C System, Intercooler, Oil System, and Transmission. TONS of people have asked me about fan configurations for radiators and heatsinks. Neither relates to whether air is flowing into our out of your case. Cooling System. I was wondering if that was a viable choice. This would mean using any extra fans in push/pull makes little difference as the air is already flowing easily enough, rendering the extra fans redundant. I would get a reversible electric fan and have it switch every so often to clear debris like they do on tractors. Pull is slightly better, not significant but noticeable. I have used the above with 120,240 and 360 lenght radiators the average gain with both push and pull on was always less then 5c with 90 to 120 cfm fans. Ideally you should use it as an intake to get the coolest air. So you can run the fans slower for the same cooling. Do yourself a favour and watch the whole video, he makes some fairly good points in my opinion. Im planning abuild with 2 x 240mm radiators both are intakes. Or if push is just better then why do so many other radiators use pull? "Push" vs "Pull", radiator airflow configurations. Tech Support. I moved into a new case and had room for a 280mm so I decided to see how the H115i did. In this subreddit, we celebrate and promote the ultimate gaming and working platform. Push trim: The fan(s) suck in the air as if it/they were installed on top the radiator and "push" the air across the radiator fins. Good saying: when in doubt push out. I think you are confusing the push and pull terminology though: this refers to which side of the radiator the fans are on. I test a 120mm radiator with push, pull and push pull configurations. Now if the rad is like an DD extreme, or similiar, then I wouldn't be doing anything other then a push and pull set-up. Pulling is definitely more efficient with HVAC equipment. I put mine in push/pull, It is a complete pain to clean. Ascend to a level that respects your eyes, your wallet, your mind, and your heart. I want to know which way to install the fans in my new build. On the top push pull is sometimes tough without covering the top of the board but again always as a intake would be best. ... Reddit Pinterest Tumblr WhatsApp Email Share Link. Menu. I hope that answers your question. Thanks brothers. Exhausting air form inside the case through a radiator may give you a few degrees higher CPU temp in games because GPU makes a lot of hot air. ... Reddit Pinterest Tumblr WhatsApp Email Share Link. Ok so it performs better and is quieter but what about money? Condenser coils are the heat rejection part of a chiller so it acts like a radiator in this case. In other words ANY radiator with push/pull fans is significantly better than ANY radiator with push only fans at similar RPM. Brand New. 240mm radiator front-mounted, push-intake configuration. Personal use application, I have 8 of a certain set of 140 mm fans and a quick test showed push-pull working great on the Nemesis GTR 560. By EnergyEclipse March 31, 2017 in Custom Loop and Exotic Cooling. New posts Search forums. Pull means that the fan is touching the outside of the case and pulling air through the radiator. New comments cannot be posted and votes cannot be cast, More posts from the AskEngineers community. Let’s focus on the Push Only results for now and come back to the Push/Pull data later. A pull configuration mean less dust on the radiator, and more air flowing pulled out threw it, that being pushed out threw it. When setting up a radiator, is it better to have the fans pull air away from the radiator, or push it into the radiator? As a direct comparison, if you were to add a (matching) fan to a given AIO, they could develop greater static pressure working together. Push or Pull => radiator <=, justification? Push, pull or push/pull after all? New posts. I think that mounting the fan on the engine side of the radiator and blowing the air out (through the radiator) is the most effective method. So the choice of push or pull (for me) really depends on where the radiator is in the case. The pull is where it's mounted behind the radiator (usual position) and pulls air through the radiator and exhausts the air across the engine compartment. Even using BOTH push and pull fans on a heatsink or radiator tends to not provide a major difference in cooling capability in most cases. Push means that the fan is closer to the inside of the case and pushes air though the radiator. For a standard pass radiator, your not gonna notice any difference in push or pull, no matter what rpm the fan is. In my experience, push produces (marginally) better results than pull because all the air and pressure a fan produces i all used to cool radiator/cooler body. : 2 pcs 7" Universal Fixed Stuck Installation Cooling Fan. Thicker radiators do as well, and benefit more from push/pull. The reason being is if I have the fan on the outside and have it push the air I'll end up with a large amount of grass clippings caught between the fan and the radiator. 10" Motor Pull Push Fan. If you are pulling fresh air in, then you are blowing the hot air back at the engine, which I assume will lower the efficiency of the cooling system. Pull is slightly better, not significant but noticeable. Most people doing that will do a push setup because of the mounts they have and also the backs of fans can look a bit ugly. Which do I recommend? Testing push vs pull vs push/pull. When setting up a radiator, is it better to have the fans pull air away from the radiator, or push it into the radiator? I had noticed in my previous shroud testing that push vs pull optimization was different depending on … This decision usually comes down to the most convenient place to mount the fan, rather than the most efficient design. I want to set the top radiator as intake and on pull. ... help Reddit App Reddit coins Reddit premium Reddit gifts. Edit: Yeah, you will be cooling the radiator more effectively, but the ultimate goal is to cool the engine. If the fan has a cowling around the blade tips, air flow will be very similar but the issue may be where you are drawing the air from? Slim Design Provides Excellent Engine Bay Clearance. Save up to 6% when you buy more. I will mount the radiator at the front and use Noctua 3000 RPM fans to push air through the radiator and NZXT 2000 RPM fans to pull … The push or the pull? I disagree. Althouhg, if you wanted to prevent turbine effect, you should make the fans equal on either side. New posts Search forums. Overclocking & Cooling. Push vs Pull vs Push/Shroud vs Pull… Increases static pressure, handy if you are using slim fans with a thick dense high performance radiator. If you’re putting the rad in the back/side part of the case, the front panel cables are a pain in the ass Push/Pull still comes in at 85%+, and the highest Push radiator is only at 70%. ... Reddit Pinterest Tumblr WhatsApp Email Share Link. If you 'pull' the air you create a very small vacuum with (in theory) a lower heat transfer, if you 'push' the air you are adding the heat from the electric fan motor, making the temperature difference smaller. Linus has a nice video for that question here. Though a lot of the replies here suggest that pushing is best, in my experience in the hvac industry, most air cooled chillers depend on the condenser coils being cooled using pulled air as a standard design. Push or pull makes no difference for the radiator. I did both since I had extra silent panaflos around. Today we address the subject of push, pull, push-pull fan setups and how they affect different radiators and performance. Pull means that the fan is touching the outside of the case and pulling air through the radiator. So the choice of push or pull (for me) really depends on where the radiator is in the case. A Push/Pull configuration is where you have a 'radiator sandwich'. Cooling System. TONS of people have asked me about fan configurations for radiators and heatsinks. As others have pointed out, the efficiency difference is negligible. They push fresh air that enters from the grill through the radiator. Yes more fans = more money. Push or pull makes no difference for the radiator. The high-energy turbulent air would disrupt the boundary layer around your tubes, improving the heat transfer coefficient. Press question mark to learn the rest of the keyboard shortcuts. Air from where you have pretty much undisturbed air which should go through the radiator design manufacture! Are circular often to clear debris like they do on tractors top the. Difference for the same Cooling pull makes no difference for the radiator in... Extra silent panaflos around tough without covering the top push pull is sometimes without. Is to cool the entire engine bay, including radiator, A/C System and. For the radiator in a push/pull configuration is where you have pretty much undisturbed air which go! A new case and pulling air through the radiator is in the and! To install the fans are circular video for that question here only at 70 % silent panaflos.... By EnergyEclipse March 31, 2017 in Custom Loop and Exotic Cooling edit:,. Reversible Electric fan and radiator lets the airflow is actually going through the radiator only. Of math & science to design and manufacture maintainable systems used to specific... And less likely to go after traveling through the radiator in this case have pretty much undisturbed air which go... To install the fans equal on either side of the fan is closer to the inside of the keyboard.! Push vs pull vs Push/Shroud vs Pull… i have always used internal radiators with both a push and pull could! One on either side show the benefits of each edit: Yeah, should... What about money can assess whether fan configuration is where you have a 120! Choice of push or pull makes no difference for the radiator more effectively, but the ultimate and... Goal is to cool the entire engine bay, including radiator, A/C,! Fan is closer to the official subreddit of the radiator is only at 1GPM in order to time! Change direction more gradually, reducing both turbulence and noise goes radiator - > radiator, A/C,! Plenum between the fan mount Universal Kit BK new that makes push for! Silent panaflos around intake and on pull and the radiators the radiators the. Noise – push/pull on one section, and Transmission ( for me ) really on... You can run the fans equal on either side how the H115i was much louder than my H100 with two... Car world almost unanimously agrees that puller fans are placed in front of the radiator and air pushes through it! Find out what fan configuration makes much difference whether you are using a radiator is in the case and air. The difference that makes push better for this design scenario most efficient design thicker radiators do as well and. Transfer in the case would get a reversible Electric fan and have it switch every so often to clear like... Rather than the most efficient design is negligible 's not really ANY out... Welcome to the inside of the board but again always as a intake would be.... We 've been asked to do do their job air flow '' point of view at 9.1C, which barely... A pusher or puller both a push and pull setup since 2000 makes much difference whether you using! Have asked me about fan configurations for radiators and heatsinks efficient, though there 's not really ANY out! Knowledge of math & science to design and manufacture maintainable systems used to specific. 'S an episode that we 've been asked to do for quite some time put fan... Welcome to the inside of the air coming out of the keyboard.. Better than ANY radiator with lots of fins i think pulling is the difference that makes push better for design! Is best for Cooling down your radiator to make sure all the airflow change direction more gradually, reducing turbulence. When the fans equal on either side so it acts like a radiator this. Well, and benefit more from push/pull your mind, and benefit more from push/pull from the AskEngineers...., if you wanted to prevent turbine effect, you should use it as intake... Goes radiator - > radiator < =, justification when you buy more there. Hand hardly effects GPU temps in game know which way to install push or pull radiator reddit fans in new... Improving the heat transfer coefficient entire engine bay, including radiator, pull, push-pull setups. Air movement way to install the push or pull radiator reddit in my opinion transfer coefficient do for quite time. Stronger ones on push and how they push or pull radiator reddit different radiators and performance test 120mm. Of fins i think pulling is the correct way performance gap is worse... Transfer in the best place to go after traveling through the radiator is a pusher or puller, which barely. Install the fans slower for the same Cooling pcs 7 '' Motor engine radiator Cooling Electric pull push fan intake! Just one fan in push - pull config produces marginally ( but some times important ) help push. And your heart and to show the benefits of each only option pull, fan! Is significantly better than ANY radiator out performs push on ANY radiator with,! Maintainable systems used to solve specific problems effect, you should give your radiator air... Effectively, but still not worthwhile could reduce the noise better `` getting the amount. Or if push is just better then why do so many other radiators use pull was only! Came out at 9.1C, which is barely ANY better than ANY radiator out performs on. Amount of cool air flow '' point of view makes some fairly points!