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8 Top Tips for Keeping Your Wireless Broadband ISP Router Cool

Posted Tuesday, July 9th, 2013 (1:01 am) by Keith Oddy (Score 9,687)
cat sitting on be broadband router uk

Temperatures in some parts of United Kingdom are beginning to creep past 30c and this means that some of you, the unfortunate few, might be having the occasional problem with overheating broadband ISP routers and modem devices. So here are a few quick tips for avoiding this problem.

Practically all electronic devices emit heat, even if you can’t always feel it, and the least efficient ones tend to produce more than most. Most router manufactures are aware of this and design their hardware to operate at temperatures of up to around 40c (varies between manufacturers).

But in practice people sometimes place their routers in locations where the temperatures can easily rise beyond the devices rated maximum, which most often occurs when the heat struggles to escape and thus continues to rise until it reaches a critical level. So here are a few quick tips for keeping your router cool.

ISPreview.co.uk’s Top 8 Tips for Keeping Routers Cool

1. Never place in direct sunlight, obviously.

2. Never allow your pet to use the router as its own personal sleeping mat. It might seem cute but the slim risk of this causing an electrical fault or fire is something best avoided.

3. Place the router on a hard and flat surface (ideally something cool), which should allow the air to move freely around it (especially below the device). Wall mounting the device can also help (vertically). In other words, never put your router on a surface that doesn’t allow heat to escape (e.g. on a leather sofa).

4. Some older / cheaper routers and chipsets are more susceptible to heat problems, especially if they’ve had a lot of usage, and at the extreme you might need to consider buying a newer device.

5. Consider buying a cheap netbook size cooling mat / pad for the router. Kit like this usually costs £10-£20 and often includes a small internal USB fan, which is handy because some routers include low-power USB ports that can be used to run the fan(s).

6. Keep your router switched off when not in use but don’t restart it too often. Most broadband ADSL/ADSL2+ connections don’t respond well to you repeatedly switching the router on and off throughout the day (this can result in a loss of speed). But in our experience there’s usually not much harm in turning it off once a day (i.e. every 24 hours).

7. Disable non-critical router services when not needed. The less the router has to do, the less heat it will produce and the faster it can operate. Some routers allow you to disable specific services (e.g. wifi, connection logs etc.) and during hot weather this can help to keep the device running smoothly. On the other hand it’s probably best not to fiddle with these things unless you know what you’re doing.

8. Situate the router in the coolest room possible, which is often the lowest point in your home with the thickest walls. Unfortunately this might constrain the performance of your wifi network so there’s a careful balancing act to consider.

Naturally it goes without saying that pouring water over your router or putting it in the fridge are both things that should generally be avoided. If anybody else has some useful tips then please feel free to add them into the comments below.

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10 Responses
  1. No Rest

    Great picture of the cat lol! What is his or her name if know?

  2. I think Keith must of used this picture from last year’s BE Broadband article, which is always good for a laugh :).

    http://www.ispreview.co.uk/index.php/2012/03/uk-isp-concern-spreads-as-more-cats-found-sitting-on-broadband-routers.html

  3. PaulG

    There’s a whole scene out there for Cats on Routers :) http://catsonrouters.com/

  4. Dragon

    Re: 6

    I’m not sure turning the router off constantly is a good idea as that may cause thermal stresses from the repeatedly heating up/cooling down.

  5. Thanks for these tipps. Sometimes me router get to hot, so it is good to know what to do to keep it cool.

  6. Captain Cretin

    I had a Netgear DGN2000 that ran very hot, I mounted it on some HiFi equipment cones to get it about 3cm off of the deck and improve the airflow around it.

    This helped, but eventually after about 2 years it did cook itself.

    In contrast, my TPLink replacement sits in the window in full sunlight (because this is where the BT point is, and it gives the best signal around the house), and has worked flawlessly for many years…..
    Until last week when its replacement turned up, since then it has refused to load the web-control panel – sulking??
    (The replacement is also a TPLink).

  7. Haza

    very simple solution to keep routers nice and cool.Get a pc case fan,stick a small piece of doublesided tape on each corner,.Unpeel the doublesided tape and stick the fan directly on to the modem casing.verticaly or horizontaly depending on your style of modem.then get a cordless drill battery charging power pack,srip the wires of the small plung at end.strip the wires of the case fan,and connect the two wires with each other.the fan will work only when you have the proper connection.Before you stick the fan on,make sure the the air is blowing onto the modem and not away from it.I hope this comment is helpful.

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