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General Chat Thread, air con in General; ok have been asked by the head to find some prices for air conditioning units to put to the pta ...
  1. #1
    amyr's Avatar
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    air con

    ok have been asked by the head to find some prices for air conditioning units to put to the pta to see if they would fundraise/buy us some for the ict suite. we can't have fixed ceiling units, so i wondered if anyone knew of what sort to go for for the ict suite? room of 30 computers, only 2 opening windows at opposite end to door.

    the area of the room is 42 metres squared, and the volume of the room is 102metres cubed (yes i did just measure it!)

    anyone got any ideas?

  2. #2

    Andrew_C's Avatar
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    Re: air con

    Calculating how much cooling power is needed is actually quite complex. You need to allow for, heat from PCs, heat from users, heat gain from sun (insolation), normal heat loss through ceiling etc.

    You can get wall mounted cassette type units to use instead of the ceiling type, but both need external compressors.

    Best bet is a call to a local company to get a ball-park price. Don't forget that they use a LOT of electric power!

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    webman's Avatar
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    Re: air con


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    amyr's Avatar
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    Re: air con

    I have since discovered that one of our governors works/runs an air conditioning company and he's going to try to get me a price for it :0)

    thanks for your help so far...and yes it is very complicated! I got in a complete muddle so shouted for help to the governors (I know 2 of them and they're nice guys who are very helpful)

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    wesleyw's Avatar
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    Re: air con

    You'll need another three quotes though otherwise the auditors will be upset


    Wes

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    amyr's Avatar
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    Re: air con

    i know but once i know what i need, then i can get 3 more quotes....

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    Re: air con

    Quote Originally Posted by wesleyw
    You'll need another three quotes though otherwise the auditors will be upset


    Wes
    I believe you only need 3 quotes total. Also i'm pretty certain that only applies if the order will exceed £10k, although individual schools, LA's may have their own threshold for that.

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    amyr's Avatar
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    Re: air con

    our school policy seems to be that if we're getting it through a governor we need to show that we are getting the best price without the governor being out of pocket either - we always get at least 3 quotes (more if its for more expensive kit like iwbs)

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    CheeseDog's Avatar
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    Re: air con

    Get some inverter units more expensive but they are much more efficient and kinder on the electric bill.

    Don't forget to take into account maintenance contracts as well.

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    amyr's Avatar
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    Re: air con

    had a quote back from him - looks like we're looking at about £1500 - £2000 for it...will give it to the head to look at and she can decide if its to be put to the pta or not...

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    john's Avatar
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    Re: air con

    I agree with the Inverter ones, I have just had one fitted (Hitachi make) and its very good and kinder on the electric.

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    webman's Avatar
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    Re: air con

    Quote Originally Posted by amyr
    looks like we're looking at about £1500 - £2000 for it
    What a con! 8O

    ops:

  13. #13

    john's Avatar
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    Re: air con

    Your just jellious your cupboard aint got Air Con Craig (says he whos server cupboard is enjoying multiple ACs ) But whos office is still AC-less

  14. #14

    webman's Avatar
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    Re: air con

    Yes, you're right :cry:

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    Re: air con

    Thats a real good price for that size room. Our server room aircon finally gave up in december, after 8 years of service, and we got charged £1500 for a new aircon unit in there.

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